S-812C25AMC-C2FT2G - Seiko Instruments

S-812C Series

www.sii-ic.com

HIGH OPERATING VOLTAGE

CMOS VOLTAGE REGULATOR

Seiko Instruments Inc. 1

The S-812C Series is a high-withstand voltage regulator IC which is developed by using the CMOS technology.

This IC is suitable for applications which require withstand because its maximum voltage for operation is as high

as 16 V, also for portable device having the low current consumption because this IC not only has the low

current consumption but also a power-off circuit. This IC operates stably due to the internal phase compensation

circuit so that users are able to use cera mic capacitor as the output capacitor.

 Features

• Low current consumption: Current at operation: Typ. 1.0 μA, Max. 1.8 μA (product with 3.0 V)

• Output voltage: 2.0 to 6.0 V, selectable in 0.1 V step.

• Output voltage accuracy: ±2.0%

• Output current: 50 mA capable (3.0 V output product, VIN=5 V) *1

75 mA capable (5.0 V output product, VIN=7 V) *1

• Dropout voltage: Typ. 120 mV (VOUT = 5.0 V, IOUT = 10 mA)

• Built-in Power-off circuit: Selectable if power-off function is available or not.

Active high or low in the regulator is selectable.

• Short-circuit protection: Selectable with/without short-circuit protection.

Short-circuited current 40 mA Typ.: in the product with protection.

• Operation voltage: 16 V max.

• Lead-free, Sn 100%, halogen-fre e*2

*1. Attention should be paid to the power dissipation of the package when the load is large.

*2. Refer to “ Product Name Structure” for details.

 Applications

• Power source for home electric/electronic appliances

• Power source for battery -powered devices

• Power source for comm unication devices

 Packages

• SNT-6A(H)

• SOT-23-5

• SOT-89-3

• SOT-89-5

• TO-92

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 2

 Block Diagrams

1. S-812CxxA Series (No short-circuit protection and power-off function)

VSS

VOUT

VIN *1

Reference

voltage

*1. Parasitic diode Figure 1

2. S-812CxxB Series (Short-circuit protection and power-off function)

VSS

VOUT

ON/OFF

VIN *1

Short-circuit

protection

Reference

voltage

*1. Parasitic diode Figure 2

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 3

3. S-812CxxE Series (Short-circuit protection and no power-off function)

VSS

VOUT

VIN *1

Reference

voltage

Short-circuit

protection

*1. Parasitic diode Figure 3

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 4

 Product Name Structure

Users can select the product type, output voltage, and package type for the S-812C Seri es. Refer to the

“1. Product Name” for the construction of the product name, “2. Package” re garding the package

drawings and “3. Product Name List” for the full product names.

1. Product name

1. 1 S-812CxxA series

1. 1. 1 Package SOT-23-5, SOT-89-3

S-812C xx A xx - xxx T2 x

Environmental code

U : Lead-f ree (Sn 10 0%), halogen-f ree

G : Lead-free (for detai ls, please contact

our sales office)

IC direction i n tape specifications*1

Product name (abbreviation)

Package name (abbreviation)*2

MC : SOT-23-5

UA : SOT-89- 3

Short-circu it protecti on and power-off function

A : No

Output voltage

20 to 60

(e.g. When the output voltage is 2.0 V,

it is expressed 20)

*1. Refer to the tape specifications.

*2. Refer to the “3. Product name list”.

1. 1. 2 Package TO-92

S-812C xx A Y - x 2 - U

Environment al code

U : Lead-free (Sn 100%), halo gen -free

Product name (abbreviation)

B : Bulk

Z : Tape and ammo

Package name (abbreviat ion)*1

Y : TO-92

Short-circui t protection and power-off f un cti

A : No

Output volt age

20 to 60

(e.g. When the ou tput voltage i s 2.0 V,

it is expressed 20 )

*1. Refer to the “3. Product name list”.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 5

1. 2 S-812CxxB series

S-812C xx B xx - xxx xx x

Environmental co de

U : Lead-free (Sn 100%), halogen-free

G : Lead-free (for details, please contact

our sale s office)

IC direction in tape specifications*1

TF : SNT-6A(H)

T2 : SOT-23-5, SOT-89-5

Product name (abbreviation)

Package name (abbreviati o n)*2

PI : SNT-6A(H)

MC : SOT-23-5

UC : SOT-89-5

Short-circuit protection and power-off fun c tion

B : Yes

ON/OFF pin Positive logic (operates by “H”)

Output voltage

20 to 60

(e.g. When the output voltage is 2.0V,

it is expressed 20)

*1. Refer to the tape specifications.

*2. Refer to the “3. Product name list”.

1. 3 S-812CxxE series

S-812C xx E UA - xxx T2 x

Environmental code

U : Lead-free (Sn 100%), haloge n-free

G : Lead-free (for details, please contact

our sales office)

IC direction in tape specifications*1

Product name (abbreviation)

Package name (abbreviation)*2

UA : SOT-89-3

Short-circuit protection and no power-off function

Output voltage

20 to 60

(e.g. When the outp ut voltag e is 2.0 V,

it is expressed 20)

*1. Refer to the tape specifications.

*2. Refer to the “3. Product name list”.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 6

2. Package

Drawing code

Package name Package Tape Reel Zigzag Land

SNT-6A(H) PI006-A-P-SD PI006-A-C-SD PI006-A-R-SD ⎯ PI006-A-L-SD

SOT-23-5 MP005-A-P-SD

MP005-A-C-SD MP005-A-R-SD

⎯ ⎯

SOT-89-3 UP003-A-P-SD UP003-A-C-SD UP003-A-R-SD ⎯ ⎯

SOT-89-5 UP005-A-P-SD UP005-A-C-SD UP005-A-R-SD ⎯ ⎯

TO-92 (Bulk) YS003-D-P-SD ⎯ ⎯ ⎯ ⎯

TO-92 (Tape and ammo)

YZ003-E-P-SD YZ003-E-C-SD ⎯ YZ003-E-Z-SD ⎯

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 7

3. Product name list

3. 1 S-812CxxA Series (No short-circuit protection, power-off function)

Table 1

Output voltage SOT-23-5 SOT-89-3 SOT-89-5 TO-92*1

2.0 V±2.0 % S-812C20AMC-C2AT2x S-812C20AUA-C2AT2x ⎯ S-812C20AY-n2-U

2.1 V±2.0 % S-812C21AMC-C2BT2x S-812C21AUA-C2BT2x ⎯ S-812C21AY-n2-U

2.2 V±2.0 % S-812C22AMC-C2CT2x S-812C22AUA-C2CT2x ⎯ S-812C22AY-n2-U

2.3 V±2.0 % S-812C23AMC-C2DT2x S-812C23AUA-C2DT2x ⎯ S-812C23AY-n2-U

2.4 V±2.0 % S-812C24AMC-C2ET2x S-812C24AUA-C2ET2x ⎯ S-812C24AY-n2-U

2.5 V±2.0 % S-812C25AMC-C2FT2x S-812C25AUA-C2FT2x ⎯ S-812C25AY-n2-U

2.6 V±2.0 % S-812C26AMC-C2GT2x S-812C26AUA-C2GT2x ⎯ S-812C26AY-n2-U

2.7 V±2.0 % S-812C27AMC-C2HT2x S-812C27AUA-C2HT2x ⎯ S-812C27AY-n2-U

2.8 V±2.0 % S-812C28AMC-C2IT2x S-812C28AUA-C2IT2x ⎯ S-812C28AY-n2-U

2.9 V±2.0 % S-812C29AMC-C2JT2x S-812C29AUA-C2JT2x ⎯ S-812C29AY-n2-U

3.0 V±2.0 % S-812C30AMC-C2KT2x S-812C30AUA-C2KT2x ⎯ S-812C30AY-n2-U

3.1 V±2.0 % S-812C31AMC-C2LT2x S-812C31AUA-C2LT2x ⎯ S-812C31AY-n2-U

3.2 V±2.0 % S-812C32AMC-C2MT2x S-812C32AUA-C2MT2x ⎯ S-812C32AY-n2-U

3.3 V±2.0 % S-812C33AMC-C2NT2x S-812C33AUA-C2NT2x ⎯ S-812C33AY-n2-U

3.4 V±2.0 % S-812C34AMC-C2OT2x S-812C34AUA-C2OT2x ⎯ S-812C34AY-n2-U

3.5 V±2.0 % S-812C35AMC-C2PT2x S-812C35AUA-C2PT2x ⎯ S-812C35AY-n2-U

3.6 V±2.0 % S-812C36AMC-C2QT2x S-812C36AUA-C2QT2x ⎯ S-812C36AY-n2-U

3.7 V±2.0 % S-812C37AMC-C2RT2x S-812C37AUA-C2RT2x ⎯ S-812C37AY-n2-U

3.8 V±2.0 % S-812C38AMC-C2ST2x S-812C38AUA-C2ST2x ⎯ S-812C38AY-n2-U

3.9 V±2.0 % S-812C39AMC-C2TT2x S-812C39AUA-C2TT2x ⎯ S-812C39AY-n2-U

4.0 V±2.0 % S-812C40AMC-C2UT2x S-812C40AUA-C2UT2x ⎯ S-812C40AY-n2-U

4.1 V±2.0 % S-812C41AMC-C2VT2x S-812C41AUA-C2VT2x ⎯ S-812C41AY-n2-U

4.2 V±2.0 % S-812C42AMC-C2WT2x S-812C42AUA-C2WT2x ⎯ S-812C42AY-n2-U

4.3 V±2.0 % S-812C43AMC-C2XT2x S-812C43AUA-C2XT2x ⎯ S-812C43AY-n2-U

4.4 V±2.0 % S-812C44AMC-C2YT2x S-812C44AUA-C2YT2x ⎯ S-812C44AY-n2-U

4.5 V±2.0 % S-812C45AMC-C2ZT2x S-812C45AUA-C2ZT2x ⎯ S-812C45AY-n2-U

4.6 V±2.0 % S-812C46AMC-C3AT2x S-812C46AUA-C3AT2x ⎯ S-812C46AY-n2-U

4.7 V±2.0 % S-812C47AMC-C3BT2x S-812C47AUA-C3BT2x ⎯ S-812C47AY-n2-U

4.8 V±2.0 % S-812C48AMC-C3CT2x S-812C48AUA-C3CT2x ⎯ S-812C48AY-n2-U

4.9 V±2.0 % S-812C49AMC-C3DT2x S-812C49AUA-C3DT2x ⎯ S-812C49AY-n2-U

5.0 V±2.0 % S-812C50AMC-C3ET2x S-812C50AUA-C3ET2x ⎯ S-812C50AY-n2-U

5.1 V±2.0 % S-812C51AMC-C3FT2x S-812C51AUA-C3FT2x ⎯ S-812C51AY-n2-U

5.2 V±2.0 % S-812C52AMC-C3GT2x S-812C52AUA-C3GT2x ⎯ S-812C52AY-n2-U

5.3 V±2.0 % S-812C53AMC-C3HT2x S-812C53AUA-C3HT2x ⎯ S-812C53AY-n2-U

5.4 V±2.0 % S-812C54AMC-C3IT2x S-812C54AUA-C3IT2x ⎯ S-812C54AY-n2-U

5.5 V±2.0 % S-812C55AMC-C3JT2x S-812C55AUA-C3JT2x ⎯ S-812C55AY-n2-U

5.6 V±2.0 % S-812C56AMC-C3KT2x S-812C56AUA-C3KT2x ⎯ S-812C56AY-n2-U

5.7 V±2.0 % S-812C57AMC-C3LT2x S-812C57AUA-C3LT2x ⎯ S-812C57AY-n2-U

5.8 V±2.0 % S-812C58AMC-C3MT2x S-812C58AUA-C3MT2x ⎯ S-812C58AY-n2-U

5.9 V±2.0 % S-812C59AMC-C3NT2x S-812C59AUA-C3NT2x ⎯ S-812C59AY-n2-U

6.0 V±2.0 % S-812C60AMC-C3OT2x S-812C60AUA-C3OT2x ⎯ S-812C60AY-n2-U

*1. “n” changes according to the packing form in TO-92.

B: Bulk, Z: Tape and ammo.

Remark 1. Please contact our sales office for products with an output voltage value other than those

specified above.

2. x: G or U

3. Please select products of environm ental code = U for Sn 100%, halogen -free products.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 8

3. 2 S-812CxxB Series (Short-circuit protection and power-off function)

Table 2

Output voltage SNT-6A(H) SOT-23-5 SOT-89-5

2.0 V±2.0 % S-812C20BPI-C4ATFx S-812C20BMC-C4AT2x ⎯

2.1 V±2.0 % S-812C21BPI-C4BTFx S-812C21BMC-C4BT2x ⎯

2.2 V±2.0 % S-812C22BPI-C4CTFx S-812C22BMC-C4CT2x ⎯

2.3 V±2.0 % S-812C23BPI-C4DTFx S-812C23BMC-C4DT2x ⎯

2.4 V±2.0 % S-812C24BPI-C4ETFx S-812C24BMC-C4ET2x ⎯

2.5 V±2.0 % S-812C25BPI-C4FTFx S-812C25BMC-C4FT2x ⎯

2.6 V±2.0 % S-812C26BPI-C4GTFx S-812C26BMC-C4GT2x ⎯

2.7 V±2.0 % S-812C27BPI-C4HTFx S-812C27BMC-C4HT2x ⎯

2.8 V±2.0 % S-812C28BPI-C4ITFx S-812C28BMC-C4IT2x ⎯

2.9 V±2.0 % S-812C29BPI-C4JTFx S-812C29BMC-C4JT2x ⎯

3.0 V±2.0 % S-812C30BPI-C4KTFx S-812C30BMC-C4KT2x ⎯

3.1 V±2.0 % S-812C31BPI-C4LTFx S-812C31BMC-C4LT2x ⎯

3.2 V±2.0 % S-812C32BPI-C4MTFx S-812C32BMC-C4MT2x ⎯

3.3 V±2.0 % S-812C33BPI-C4NTFx S-812C33BMC-C4NT2x S-812C33BUC-C4NT2x

3.4 V±2.0 % S-812C34BPI-C4OTFx S-812C34BMC-C4OT2x ⎯

3.5 V±2.0 % S-812C35BPI-C4PTFx S-812C35BMC-C4PT2x ⎯

3.6 V±2.0 % S-812C36BPI-C4QTFx S-812C36BMC-C4QT2x ⎯

3.7 V±2.0 % S-812C37BPI-C4RTFx S-812C37BMC-C4RT2x ⎯

3.8 V±2.0 % S-812C38BPI-C4STFx S-812C38BMC-C4ST2x ⎯

3.9 V±2.0 % S-812C39BPI-C4TTFx S-812C39BMC-C4TT2x ⎯

4.0 V±2.0 % S-812C40BPI-C4UTFx S-812C40BMC-C4UT2x ⎯

4.1 V±2.0 % S-812C41BPI-C4VTFx S-812C41BMC-C4VT2x ⎯

4.2 V±2.0 % S-812C42BPI-C4WTFx S-812C42BMC-C4WT2x ⎯

4.3 V±2.0 % S-812C43BPI-C4XTFx S-812C43BMC-C4XT2x ⎯

4.4 V±2.0 % S-812C44BPI-C4YTFx S-812C44BMC-C4YT2x ⎯

4.5 V±2.0 % S-812C45BPI-C4ZTFx S-812C45BMC-C4ZT2x ⎯

4.6 V±2.0 % S-812C46BPI-C5ATFx S-812C46BMC-C5AT2x ⎯

4.7 V±2.0 % S-812C47BPI-C5BTFx S-812C47BMC-C5BT2x ⎯

4.8 V±2.0 % S-812C48BPI-C5CTFx S-812C48BMC-C5CT2x ⎯

4.9 V±2.0 % S-812C49BPI-C5DTFx S-812C49BMC-C5DT2x ⎯

5.0 V±2.0 % S-812C50BPI-C5ETFx S-812C50BMC-C5ET2x S-812C50BUC-C5ET2x

5.1 V±2.0 % S-812C51BPI-C5FTFx S-812C51BMC-C5FT2x ⎯

5.2 V±2.0 % S-812C52BPI-C5GTFx S-812C52BMC-C5GT2x ⎯

5.3 V±2.0 % S-812C53BPI-C5HTFx S-812C53BMC-C5HT2x ⎯

5.4 V±2.0 % S-812C54BPI-C5ITFx S-812C54BMC-C5IT2x ⎯

5.5 V±2.0 % S-812C55BPI-C5JTFx S-812C55BMC-C5JT2x ⎯

5.6 V±2.0 % S-812C56BPI-C5KTFx S-812C56BMC-C5KT2x ⎯

5.7 V±2.0 % S-812C57BPI-C5LTFx S-812C57BMC-C5LT2x ⎯

5.8 V±2.0 % S-812C58BPI-C5MTFx S-812C58BMC-C5MT2x ⎯

5.9 V±2.0 % S-812C59BPI-C5NTFx S-812C59BMC-C5NT2x ⎯

6.0 V±2.0 % S-812C60BPI-C5OTFx S-812C60BMC-C5OT2x ⎯

Remark 1. Please contact our sales office for products with an output voltage value other than those

specified above.

2. x: G or U

3. Please select products of environm ental code = U for Sn 100%, halogen -free products.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 9

3. 3 S-812CxxE Series (Short-circuit protection, no power-off function)

Table 3

Output voltage SOT-23-5 SOT-89-3 SOT-89-5 TO-92*1

3.3 V±2.0 % ⎯ S-812C33EUA-C5PT2x ⎯ ⎯

3.6 V±2.0 % ⎯ S-812C36EUA-C5RT2x ⎯ ⎯

4.0 V±2.0 % ⎯ S-812C40EUA-C5QT2x ⎯ ⎯

*1. “n” changes according to the packing form in TO-92.

B: Bulk, Z: Tape and ammo.

Remark 1. Please contact our sales office for products with an output voltage value other than those

specified above.

2. x: G or U

3. Please select products of environm ental code = U for Sn 100%, halogen -free products.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 10

 Pin Configurations

Table 4

Pin No. Symbol Description

1 NC

*1 No connection

2 VIN Input voltage pin

3 VOUT Output voltage pin

4 VSS GND pin

5 VIN Input voltage pin

6 ON/OFF Power-off pin

SNT-6A(H)

Top view

3 4

Figure 4

*1. The NC pin is electrically open.

The NC pin can be connected to VIN or VSS.

Table 5

Pin No. Symbol Description

1 VSS GND pin

2 VIN Input voltage pin

3 VOUT Output voltage pin

4 NC*1 No conn ection

ON/OFF Power-off pin (B type)

5 NC*1 No connection (A type, E type)

SOT-23-5

Top view

Figure 5

*1. The NC pin is electrically open.

The NC pin can be connected to VIN or VSS.

Table 6

Pin No. Symbol Description

1 VSS GND pin

2 VIN Input voltage pin

3 VOUT Output voltage pin

SOT-89-3

Top view

Figure 6

Table 7

Pin No. Symbol Description

1 VOUT Output voltage pin

2 VIN Input voltage pin

3 VSS GND pin

ON/OFF Power-off pin (B type)

4 NC*1 No connection (A type, E type)

5 NC*1 No conn ection

SOT-89-5

Top view

1 3

4 5

*1. The NC pin is electrically open.

The NC pin can be connected to VIN or VSS.

Figure 7

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 11

Table 8

Pin No. Symbol Description

1 VSS GND pin

2 VIN Input voltage pin

3 VOUT Output voltage pin

TO-92

Bottom view

1 3 2

Figure 8

 Absolute Maximum Ratings

Table 9 (Ta=25°C unless otherwi se specified)

Item Symbol Absolute Maximum Rating Units

VIN VSS−0.3 to VSS+18 V

Input voltage VON/OFF VSS−0.3 to VIN+0.3 V

Output voltage VOUT VSS−0.3 to VIN+0.3 V

SNT-6A(H) 500*1 mW

250 (When not mounted on board) mW

SOT-23-5 600*1 mW

500 (When not mounted on board) mW

SOT-89-3 1000*1 mW

500 (When not mounted on board) mW

SOT-89-5 1000*1 mW

400 (When not mounted on board) mW

Power dissipation

TO-92

800*1 mW

Operating temperature range Topr −40 to +85 °C

Storage temperature Tstg −40 to +125 °C

*1. When mounted on board

[Mounted board]

(1) Board size : 114.3 mm × 76.2 mm × t1.6 mm

(2) Board name : JEDEC STANDARD51-7

Caution The absolute maximum ratings are rated values exceeding which the product could suffer

physical damage. These values must therefore not be exceeded under any conditions.

050 100 150

1200

800

Power dissipation (PD) [mW]

m bi ent temperature (Ta) [°C]

SOT-89-5

SOT-89-3

400

SNT-6A(H)

1000

200

600

TO-92

SOT-23-5

Figure 9 Power Dissipation of The Package (When mounted on Board )

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 12

 Electrical Characteristics

Table 10 (Ta=25°C unless otherwi se specified)

Parameter Symbol Conditions Min. Typ. Max. Units

Test

circuits

Output voltage

OUT(E)

= V

OUT(S)

+2 V, I

OUT

= 10mA V

OUT(S)

0.98 V

OUT(S)

1.02 V 1

2.0V

≤

OUT(S)

≤

2.9V 30

−

mA 3

3.0V

≤

OUT(S)

≤

3.9V 50

−

mA 3

4.0V

≤

OUT(S)

≤

4.9V 65

−

mA 3

Output current

OUT

OUT(S)

+2V

≤

16V 5.0V

≤

OUT(S)

≤

6.0V 75

−

mA 3

2.0V

≤

OUT(S)

≤

2.4V

−

0.46 0.95 V 1

2.5V

≤

OUT(S)

≤

2.9V

−

0.32 0.68 V 1

3.0V

≤

OUT(S)

≤

3.4V

−

0.23 0.41 V 1

3.5V

≤

OUT(S)

≤

3.9V

−

0.19 0.35 V 1

4.0V

≤

OUT(S)

≤

4.4V

−

0.16 0.30 V 1

4.5V

≤

OUT(S)

≤

4.9V

−

0.14 0.27 V 1

5.0V

≤

OUT(S)

≤

5.4V

−

0.12 0.25 V 1

Dropout voltage

drop

OUT

10mA

5.5V

≤

OUT(S)

≤

6.0V

−

0.11 0.23 V 1

Line regulation 1

OUT11

OUT(S)

+ 1 V

≤

16 V,

OUT

= 1mA

−

5 20 mV 1

Line regulation 2

OUT2

1 V

OUT(S)

+ 1 V

≤

16 V,

OUT

= 1

−

5 20 mV 1

2.0V

≤

OUT(S)

≤

2.9V,

≤

OUT

≤

20mA

−

6 30 mV 1

3.0V

≤

OUT(S)

≤

3.9V,

≤

OUT

≤

30mA

−

10 45 mV 1

4.0V

≤

OUT(S)

≤

4.9V,

≤

OUT

≤

40mA

−

13 65 mV 1

Load regulation

OUT3

1 V

= V

OUT(S)

+ 2V

5.0V

≤

OUT(S)

≤

6.0V,

≤

OUT

≤

50mA

−

17 80 mV 1

Output voltage

temperature coefficient

OUT

VTaΔ

VΔ

•

= V

OUT(S)

+ 1 V, I

OUT

= 10mA,

-40

≤

−

100

−

ppm/

2.0V

≤

OUT(S)

≤

2.7V

−

0.9 1.6

A 2

2.8V

≤

OUT(S)

≤

3.7V

−

1.0 1.8

A 2

3.8V

≤

OUT(S)

≤

5.1V

−

1.2 2.1

A 2

Current consumption I

VOUT(S)+2,

no load 5.2V

≤

OUT(S)

≤

6.0V

−

1.5 2.5

A 2

Input voltage V

−

16 V 1

Applied to products with Power-off Function

Current consumption

at power-off I

SS2

= V

OUT(S)

+ 2V,

ON/OFF

= 0V, no load

−

0.1 0.5

A 2

Power-off pin

Input voltage for high level V

= V

OUT(S)

+ 2V, R

= 1k

determined by V

OUT

output level 2.0

−

V 4

Power-off pin

Input voltage for low level V

= V

OUT(S)

+ 2V, R

= 1k

determined by V

OUT

output level

−

0.4 V 4

Power-off pin

Input current at high level I

= 7V, V

ON/OFF

= 7V -0.1

−

0.1

A 4

Power-off pin

Input current at low level I

= V

OUT(S)

+ 2V, V

ON/OFF

= 0V -0.1

−

0.1

A 4

Applied to products with Short-circuit Protection

Short-circuit current I

= V

OUT(S)

+ 2 V, V

OUT

= 0 V

−

mA 3

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 13

*1. VOUT(S): Specified output voltage

OUT(E): Effective output voltage

i.e., the output voltage when fixing IOUT(=10 mA) and inputting VOUT(S)+2.0 V.

*2. Output current at which output voltage becomes 95% of VOUT(E) after gradually increasing output current.

*3. V

drop = VIN1−(VOUT(E) × 0.98), where VIN1 is the input voltage at which output voltage reaches 98% of VOUT(E)

after gradually decreasing input voltage.

*4. The ratio of temperature change in output voltage [mV/°C] is calculated usi ng the following equation.

[] [] []

1000Cppm/

VTaV

VVCmV/

OUT

OUT OUT

(S)

OUT ÷°

×=°

•

3*2*1*

*1. The ratio of temperature change in o utput voltage

*2. Specified output voltage

*3. Output voltage temperature coefficient

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 14

 Test Circuits

VSS

VOUT

(ON/OFF)

Set to power ON

VIN

Figure 10

VSS

VOUT

(ON/OFF)

VIN

Set to VIN or

GND

Figure 11

Set to power ON

VSS

VOUT

(ON/OFF)

VIN

Figure 12

VSS

VOUT

(ON/OFF)

VIN

Figure 13

*1. In case of product with power-off function.

 Standard Circuit

VSS

VOUT

(ON/OFF)

→ VIN

CIN

INPUT OUTPUT

GND

Single GND

1. CIN is a capacitor for stabilizing the input.

2. In addition to tantalum capacitor, ceramic capacito r can be used for CL.

3. Control this ON/OFF pin in the product with power-off function.

Figure 14

Caution The above connection diagram and constan t will not guarantee successful operation.

Perform through evaluation using the actual application to set the constant.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 15

 Technical Terms

1. Output capacitors (CL)

Generally in voltage regulator, output capacitor is used to stabilize regulation and to improve the

characteristics of transient response. The S-812C Series operates stably without output capacitor CL.

Thus the output capacitor CL is used only for improvement of the transient response. In the applications

that users will use the S-812C Series, and they are not cautious about the transient response, it is

possible to omit an output capacitor. If using an output capacitor for this IC, users are able to use devices

such as ceramic capacitor which has sm all E S R (E quivalent Series Resi stance).

2. Output voltage (VOUT)

The accuracy of the output voltage ± 2.0% is assured under the specified conditions for input voltage,

which differs depending upon the produ c t items, output current, and temperature.

Caution If the above conditions chan ge, the output voltage value may vary and go out of the

accuracy range of the output voltage. See the electrical characte ristics and

characteristics data for d etails.

3. Line regulations 1 and 2 (ΔVOUT1, ΔVOUT2)

Indicate the dependency of the output voltage against the input voltage. That is, the value shows h ow

much the output voltage changes due to a change in the input voltage after fixing output current constant.

4. Load regulation (ΔVOUT3)

Indicates the dependency of the output voltage against the output current. That is, the value shows how

much the output voltage changes due to a change in the output cu rrent after fixing output current

constant.

5. Dropout voltage (Vdrop)

Indicates the difference betwee n the output voltage and the input voltage VIN1, which is the input voltage

(VIN) when; decreasing input voltage VIN gradually until the output voltage has dropped to the value of

98% of output voltage VOUT(E), which is at VIN = VOUT(S) + 1.0 V.

Vdrop = VIN1 − (VOUT(E) × 0.98)

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 16

6. Temperature coefficient of output voltage ⎟

⎠

⎞

⎜

⎝

⎛

•OUT

OUT

VΔTa

ΔV

The shadowed area in Fig ure 15 is the range where VOUT varies in the operating temperatu re range when

the temperature coefficient of the output voltage is ±100 ppm/°C.

The ratio of temperature change in output voltage [mV/°C] is calculated from the following e quation.

[]

1000Cppm/

VTaV

V VCmV/

VOUT

OUT OUT

(S)

OUT ÷°

×=°

•

*1. The ratio of temperature change in o utput voltage

*2. Specified output voltage

*3. Output voltage temperature coefficient

-40 25

+0.30mV/°C

VOUT[V]

VOUT(E)

85 Ta [°C]

-0.30mV/°C

*1. VOUT(E) is a measured value of output voltage at 25°C.

Figure 15 Ex. S-812C30A Typ.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 17

 Operation

1. Basic Operation

Figure 16 shows the block diagram of the S-812C Series.

The error amplifier compa r es the reference voltage (Vref) with Vfb, which is the output voltage resi stance-

divided by feedback resistors Rs and Rf. It supplies the gate voltage necessary to maintain the constant

output voltage which is not influenced by the input voltage and temperature change, to the output

transistor.

Reference

voltage

circuit

VOUT

VSS

VIN

Error amplifier

Current supply

Vref −

*1. Parasitic diode Figure 16

2. Output Transistor

In the S-812C Series, a low on-resistance P-channel MOS FET is used as the o utput tran sistor.

Be sure that VOUT does not exceed VIN + 0.3 V to prevent the voltage regulator from being damaged d ue

to inverse current which flows, be cause of a parasitic diode between the VIN and VOUT pin.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 18

3. Power-off function (ON/OFF pin)

This function starts and sto ps the regulator.

When the ON/OFF pin is set to power-off level, the entire internal circuit stops operating, and the built-in

P-channel MOS FET output transistor between the VIN and VOUT pin is turned off, in order to reduce

the current consumption si gnificantly. The VOUT pin is set to the VSS level by the internal dividing

resistor of several MΩ between the VOUT and VSS pin.

The ON/OFF pin is configured as shown in Figure 17 Since the ON/OFF pin is neither pulled down nor

pulled up internally, do not use it in the floating state. Note that if applying the voltage of VIN + 0.3 V or

more, the current flows to VIN via a parasitic diode in the IC.

When not using the power-off pin in the product with the po wer-off function, connect the ON/OFF pin to

the VIN pin (in positive logic), or to the VSS pin (in ne gative logic).

The output voltage may increase by stopping regulation whe n a lower current (less than 100 μA) is

applied.

If the output voltage increased during power-off, pull the VOUT pin down to the VSS pin and set the

ON/OFF pin to the power-down level.

Table 11

Logic Type ON/OFF Pin Internal Circuits VOUT Pin Voltage Current Consumption

B “L”: Power off Stop VSS level ISS2

B “H”: Power on Operation Set value ISS

VIN

ON/OFF

VSS

Figure 17

4. Short-circuit protection circuit

In the S-812C Series, users are able to select whether to set the short circuit protection, which prote cts

the output capacitor from short-circuiting the VOUT and VSS pin.

The short circuit protection circuit controls the output current against voltage VOUT, as seen in “

Characteristics (Typical Data) 1”, and limits the output current at approx. 40 mA even if the VOUT and

VSS pins are short-circuited.

However, this short circuit protection circuit doe s not work as for thermal protection. Pay attention to the

conditions of input voltage and load current so that, under the usag e con dition including short circuit, the

loss of the IC will not exceed power dissipation of the package.

Even if pins are not short-circuited, this protectio n circuit works to li mit the curren t to the specified value,

in order to protect the output capacitor, whe n the output curre nt and the potential difference between

input and output voltages increase.

In the product without the short circuit protection circuit, the S-812C Series allows the relatively larger

current because this protection circuit is detached.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 19

 Selection of External Components

1. Output Capacitor (CL)

The S-812C Series has an internal phase compensation circuit whi ch sta bilizes the operation regardl ess

of the change of output load. Therefore it is possible for users to ha ve a stable operation without an

output capacitor (CL). However, the values of output overshoot and undershoot, which are the

characteristics of transient response, vary depending on the output capacitor. In sele cting the value of

output capacitor, refer to the data on CL dependency in “ Reference data 1. Transient response

characteristics”.

Set ESR 10 Ω or less when using a tantalum ca pacitor or an aluminum electrolytic capacitor. Pay

attention at low temperature, that aluminum electrolytic capacitor especially may oscillate because ESR

increases. Evaluate sufficiently including the temperature cha racteri stics in use.

 Application Circuit

1. Output Current Boost Circuit

As shown in Figure 18, the output current can be boosted by externally attaching a PNP transistor.

Between the input voltage VIN and the VIN pin (for po wer supply) in the S-812C Series, if setting the

base-emitter voltage VBE which fully switches the PNP transistor on, S-812C Series controls the base

current in a PNP transistor so that the output voltage VOUT reaches t he level of voltage which is set by

the S-812C Series.

Since the output current boosting circuit in Figure 18 doe s not have the good characteri stics of transient

response, under the usage conditio n, confirm if output fluctuation due to power-on, and fluctuations of

power supply and load affect on the operation or not before use.

Note that the short-circuit protection circuit in the S-812C Series does not work as short -circuit protection

for this boost circuit.

Tr1

GND

VOUT

ON/OFF

VIN

VSS

OUT

S-812C

Series

Figure 18

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 20

2. Constant Current Circuit

This circuit can be used as a constant curre nt circuit if makin g the composition seen in Figure 19 and

20. Constant current IO is calculated from the followin g equatio n:

IO = (VOUT(E) ÷ RL) + ISS

(VOUT(E) = effective output voltage)

Note that by using a circuit in Figure 19, it is impossible to set the better driving ability to the constant

amperage (IO) than the S-812C Series basically has.

To gain the driving ability which exceeds the S-812C Serie s, there’ s a way to combine a constant

current circuit and a curren t boosting circuit, as seen in Figure 20.

The maximum input voltage for a constant current circuit is 16 V + the voltage for device (VO).

It is not recommended to add a capacitor between th e VIN (power supply) and VSS pin or the VOUT

(output) and VSS pin because the rush current flows at power-on.

GND

VOUTVIN

OUT

ON/OFF VSS

S-812C

Series

Device

Figure 19 Constant Current Circuit

ON/OFF

GND

VOUT

OUT

VSS

S-812C

Series

Tr1

Device

VIN

Figure 20 Constant Current Boost Ci rcuit

3. Output Voltage Adjustment Circuit

(Only for S-812CxxA Series (No short-circuit protection, power-off function))

By using the composition seen in Figure 21, users are able to increase the output voltage. The value of

output voltage VOUT1 is calculated from the following equation:

VOUT1 = VOUT(E) × (R1 + R2) ÷ R1 + R2 × ISS

(VOUT(E) = effective output voltage)

Set the value of resistors R1 and R2 so that the S-812C Series is not affected by current cons umption

ISS.

Capacitor C1 reduces output fluctuation due to power-on, power flu ctuation a nd load fluctuation. Set the

value according to the actual evaluation.

It is not recommended to add a capacitor between th e VIN (power supply) and VSS pin or the VOUT

(output) and VSS pin because it causes output fluctuation and output oscillation due to power-on.

GND

OUT1

VOUTVIN V

VSS

S-812C

Series

Figure 21

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 21

 Precautions

• Wiring patterns for the VIN, VOUT and GND pins should be designed so that the impedance is low. When

mounting an output capacitor between the VOUT and VSS pins (CL) and a capacitor for stabilizing the

input between VIN and VSS pins (CIN), the distance from the capacitors to these pins should be as short

as possible.

• Note that output voltage may be increased at low load current of less than 1 μA.

• At low load current less than 100 μA output voltage may increase when the reg ulating operation is halted

by the ON/OFF pin.

• To prevent oscillation, it is recommended to use the external parts under the foll owing conditions.

Equivalent Series Resistance (ES R): 1 0 Ω or less (in case of using output capacitor)

Input series resistan ce (RIN): 10 Ω or less

• A voltage regulator may oscillate when power source impedance is high and in put cap acitor is low or not

connected.

• Pay attention to the operating conditions for input/output voltage and load current so that the power loss in

the IC does not exceed the power dissipation of the packag e.

• Do not apply an electrostatic disch arg e to this IC that exceeds the performance ratings of the built-in

electrostatic protection circuit.

• SII claims no responsibility for any and all disputes a rising out of or in connectio n with any infringe ment of

the products including this IC upo n patents owned by a third party.

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 22

 Characteristics (Typical Data)

1. Output Voltage vs Output Current (When load current increases)

0.0

0.5

1.0

1.5

2.0

2.5

0 50 100 150

IOUT (mA)

VOUT (V)

VIN=2.5V

S-812C20B (Ta=25°C) Short- circuit protection

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0 50 100 150 200

IOUT (mA)

VOUT (V)

VIN=3.5V

S-812C30B (Ta=25°C) Short-circuit protection

0.0

1.0

2.0

3.0

4.0

5.0

6.0

0 100 200 300

IOUT (mA)

VOUT (V)

VIN=5.5V

10V

S-812C50B (Ta=25°C) Short-circuit protection

VOUT (V)

No short-circuit protection

S-812C20A (Ta=25ºC)

0.0

0.5

1.0

1.5

2.0

2.5

0 100 200 300

IOUT (mA)

5V4V

2.5V

VIN=2.3V

VOUT (V)

S-812C30A (Ta=25ºC)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

0 100 200 300 400

OUT

(mA)

3.5V

=3.3V No short-circuit protection

VOUT (V)

S-812C50A (Ta=25ºC)

0.0

1.0

2.0

3.0

4.0

5.0

6.0

0 100 200 300 400

OUT

(mA)

10V

5.5V

=5.3V

No short-circuit protection

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 23

2. Maximum Output Current vs Input Voltage

IOUTMAX (mA)

100

120

140

0481216

VIN (V)

Ta=-40°C

S-812C20B Short-circuit protection

25°C 85°C

IOUTMAX (mA)

100

150

200

0481216

VIN (V)

Ta=-40°C

S-812C30B Short-circuit protection

25°C 85°C

IOUTMAX (mA)

100

150

200

250

300

0481216

VIN (V)

Ta=-40°C

S-812C50B Short-circuit protection

25°C 85°C

IOUTMAX (mA)

S-812C20A

100

120

140

0481216

VIN

(

)

85ºC

Ta=-40ºC

25ºC

No short-circuit protection

IOUTMAX (mA)

S-812C30A

100

150

200

0481216

VIN

(

)

85ºC

Ta=−40ºC

25ºC

No short-ci r cui t prot ect i on

IOUTMAX (mA)

No short-circuit protection

S-812C50A

100

150

200

250

300

0481216

VIN(V)

85ºC

Ta=-40ºC

25ºC

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 24

3. Maximum Output Current vs. Input Voltage

S-812C20B (Ta=25°C)

2.10

2.05

2.00

1.95

1.90 1.5 2 2.5 3 3.5 4

OUT

(V)

-50 mA

-20 mA

-10 mA

-1 mA

OUT

=-1

(V)

S-812C30B (Ta=25°C)

3.15

3.10

3.05

2.95

2.85 2.5 33.5 4 4.5

OUT

(V)

-50 mA

-20 mA

-10 mA

-1 mA

OUT

=-1

(V)

3.00

2.90

S-812C50B (Ta=25°C)

5.25

5.15

5.05

4.95

4.5 5 5.5 6 6.5 7

VOUT (V)

-50 mA

-20 mA

-1 mA

OUT

=-1

VIN (V)

4.85

4.75

-10 mA

4. Dropout Voltage vs Output Current

500

1000

1500

2000

0 10 20 30 40 50

IOUT

(

)

Vdro

(

)

Ta=-40°C

S-812C20B

25°C 85°C

200

400

600

800

1000

1200

1400

1600

010 20 30 40 50

OUT

(

)

Vdro

(

)

Ta=-40°C

S-812C30B

25°C 85°C

100

200

300

400

500

600

700

800

900

1000

0 10 20 30 40 50

IOUT

(

)

Vdro

(

)

Ta=-40°C

S-812C50B

25°C

85°C

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 25

5. Output Voltage vs Ambient Temperature

-50

2.02

Ta (°C)

VOUT (V)

2.04

2.00

1.98

1.96 0 50

100

S-812C20B

-50

3.03

Ta (°C)

OUT

(V)

3.06

3.00

2.97

2.94 050

100

S-812C30B

-50

5.05

Ta (°C)

VOUT (V)

5.10

5.00

4.95

4.90 0 50

100

S-812C50B

6. Line Regulation 1 vs Ambient Temperatu re 7. Line Regulation 2 vs Ambient Temperature

-50

Ta (°C)

ΔVOUT1 (mV)

0 0 50

100

S-812C50B

S-812C20B S-812C30B

-50

Ta (°C)

ΔVOUT2 (mV)

0050

100

S-812C50B

S-812C20B S-812C30B

8. Load Regulation vs Ambient Temperature

-50

Ta (°C)

ΔVOUT3 (mV)

0 0 50

100

S-812C50B

S-812C30B S-812C20B

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 26

9. Current Consumption vs Input Voltage

0.0

0.5

1.0

1.5

2.0

2.5

0481216

VIN (V)

ISS (μA)

S-812C 20B

25°C 85°C

Ta=-40°C

0.0

0.5

1.0

1.5

2.0

2.5

0 4 8 12 16

VIN (V)

ISS (μA)

S-812C 30B

25°C 85°C

Ta=-40°C

0.0

0.5

1.0

1.5

2.0

2.5

0481216

VIN (V)

ISS (μA)

S-812C 50B

25°C 85°C

Ta=-40°C

10. Power-off Pin Input Threshold vs Input Voltage

0.0

0.5

1.0

1.5

2.0

2.5

0 4 8 12 16

(V)

/ V

(V)

Ta=−40°C

25°C

85°C

Ta=−40°C

25°C

85°C

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 27

 Reference Data

1. Transient Response Characteristics (Typical data: Ta=25 °C)

Overshoot

In p u t v o lta g e

Ou tp u t v o lta g e

Load current

Undershoot

1-1. Power-on : S-812C30B (CL=10μF; ceramic ca pacitor)

TIME

(

100

s/div

)

VOUT (0.5 V/div)

0 V

5 V

0 V

3 V

VIN, VON/OFF=0→5 V, IOUT=10 mA, CL=10 μF

Load dependency of overshoot at power-on CL dependency of overshoot at power-on

0.000

0.005

0.010

0.015

0.020

0.025

0.030

0 0.02 0.04 0.06 0.08 0.1

IOUT (A)

Overshoot (V)

S-812C50B

S-812C30B

VIN, VON/OFF=0→VOUT(S)+2 V, CL=10 μF

0.0

0.2

0.4

0.6

0.8

0 10 20 30 40 50

(

)

Overshoot (V)

S-812C50B

VIN, VON/OFF=0→VOUT(S)+2 V, IOUT=10 mA

S-812C30B

VDD dependency of overshoot at power-on “Ta” dependency of overshoot at power-on

0.000

0.005

0.010

0.015

0.020

0.025

0.030

0.035

0 5 10 15 20

VDD (V)

Overshoot (V)

S-812C50B

VIN, VON/OFF=0→VDD, IOUT=10 mA,

=10

S-812C30B

0.00

0.01

0.02

0.03

0.04

0.05

0.06

−50 0 50 100

Ta (°C)

Overshoot (V)

S-812C50B

VIN, VON/OFF=0→VOUT(S)+2 V, IOUT=10 mA,

=10

S-812C30B

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 28

1-2. Power-on by power-off pin : S-812C30A (CL=10μF; ceramic capacitor)

TIME (200

s/div)

VOUT (0.5 V/div)

5 V

0 V

3 V

VIN=5 V, V

FF=0→5 V, I

OUT

=10 mA, CL=10

Load dependency of overshoot at power-on by power-

off pin CL dependency of overshoot at power-o n by powe r-off

0.0

0.2

0.4

0.6

0.8

0.001 0.01 0.1 1 10 100

IOUT (mA)

Over s hoot ( V )

S-812C50B

VIN=VOUT(S)+2 V, VON/OFF=0 →VOUT(S)+2 V,

CL=10 μF

S-812C30B

0.0

0.2

0.4

0.6

0.8

0 10 20 30 40 50

(

)

Overshoot (V)

S-812C50B

VIN=VOUT(S)+2 V, VON/OFF=0→VOUT(S)+2 V,

IOUT=10 mA

S-812C30B

VDD dependency of overshoot at power-on by power-off

pin “Ta” dependency of overshoot at power-on by power-

off pin

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0 5 10 15 20

VDD (V)

Overshoot (V)

S-812C50B

VIN=VDD, VON/OFF=0→VDD, IOUT=10 mA,

CL=10 μF

S-812C30B

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

−50 0 50 100

Ta (°C)

Overshoot (V)

S-812C50B

VIN=VOUT(S)+2 V, VON/OFF=0→VOUT(S)+2 V,

IOUT=10 mA, CL=10 μF

S-812C30B

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 29

1-3. Line Transient Response : S-812C30B (CL=10μF; ceramic capacitor)

ON/OFF

=4 →8 V

OUT

=10 m

TIME

(

100

s/div

)

VOUT (0.05V / div)

10 V

0 V

5 V

3 V

2.9 V

Load dependency of overshoot at line transient CL dependency of oversho ot at line transient

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0 10 20 30 40 50

IOUT (m A)

Overshoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+1 V→VOUT(S)+5 V,

CL=10 μF

S-812C30B

0.00

0.05

0.10

0.15

0.20

0.25

0 10 20 30 40 50

(

)

Overshoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+1 V→VOUT(S)+5 V,

IOUT=10 m

S-812C30B

VDD dependency of overshoot at line transient “Ta”

dependency of overshoot at line transient

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0 5 10 15 20

VDD (V)

Overshoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+1 V→VDD, I OUT=10 mA,

CL=10 μF

S-812C30B

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

−50 0 50 100

Ta (°C)

Overshoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+1 V→VOUT(S)+5 V,

IOUT=10 mA, CL=10 μF

S-812C30B

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 30

TIME

(

500

s/div

)

VOUT (0.05 V / div)

10 V

0 V

5 V

3 V

2.8

2.9

VIN, VON/OFF=8→4 V, IOUT=10 m

Load dependency of undershoot at line transient CL dependency of undershoot at line transient

0.0

0.2

0.4

0.6

0.8

0 10 20 30 40 50

IOUT (m A)

Undershoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+5 V→VOUT(S)+1 V,

CL=10 μF

S-812C30B

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0 10 20 30 40 50

(

)

Undershoot (V)

S-812C50B

VIN, VON/OFF= VOUT(S)+5 V→VOUT(S)+1 V,

IOUT=10 mA

S-812C30B

VDD dependency of undershoot at line transient “Ta”

dependency of undershoot at line transient

0.00

0.05

0.10

0.15

0.20

0.25

0 5 10

15 20

VDD (V)

Undershoot (V)

S-812C50B

VIN, VON/OFF=VDD→VOUT(S)+1 V,

IOUT=10mA, CL=10 μF

S-812C30B

0.00

0.05

0.10

0.15

0.20

0.25

0.30

−50 0 50 100

Ta (°C)

Undershoot (V)

S-812C50B

S-812C30B

VIN, VON/OFF=VOUT(S)+5 V→VOUT(S)+1 V,

IOUT=10mA, CL=10 μF

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.6.1_00 S-812C Series

Seiko Instruments Inc. 31

1-4. Load Transient Response : S-81 2C30B (CL=10μF; ceramic capacitor)

=5 V

OUT

=10 mA→1

=10

TIME

(

200

s / div

)

VOUT (0.05 V / div)

2.9 V

3.1 V

3 V

0 mA

10 mA

Load dependency of overshoot at load transient CL dependen cy of oversho ot at load tran sient

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0 20 40 60 80 100

ILoad (mA)

Overshoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+2 V,

IOUT=ILoad→1 μA, CL=10μF

S-812C30B

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0 10 20 30 40 50

(

)

Overshoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+2 V,

IOUT=10 mA→1 μA

S-812C30B

VDD dependency of overshoot at load transient “Ta”

dependency of overshoot at load transient

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

0 5 10 15 20

VDD (V)

Overshoot (V)

S-812C50B

IOUT=10 mA→1

A, CL=10

S-812C30B

0.00

0.02

0.04

0.06

0.08

0.10

0.12

0.14

0.16

−50 0 50 100

Ta ( °C)

Overshoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+2 V,

IOUT=10 mA→1 μA, CL=10 μF

S-812C30B

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

S-812C Series Rev.6.1_00

Seiko Instruments Inc. 32

TIME

(

500

s / div

)

VOUT (0.05 V / div)

2.9 V

3 V

VIN=5 V, IOUT=1

A,→10 mA, CL=10

0 mA

10 mA

Load dependency of undershoot at load transient CL dependency of undershoot at load transie nt

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0 20 40

60 80 100

ILoad (mA)

Undershoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+2 V,

IOUT=1 μA→ILoad, CL=10μF

S-812C30B

0.00

0.05

0.10

0.15

0.20

0.25

0 10 20 30 40 50

(

)

Undershoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+2 V,

IOUT=1 μA→10 mA

S-812C30B

VDD dependency of undershoot at load transient “Ta ”

dependency of undershoot at load transient

0.00

0.05

0.10

0.15

0.20

0 5 10 15 20

VDD (V)

Undershoot (V)

S-812C50B

IOUT=1

A→10 mA, CL=10

S-812C30B

0.00

0.05

0.10

0.15

0.20

0.25

−50 0 50 100

Ta (°C)

Undershoot (V)

S-812C50B

VIN, VON/OFF=VOUT(S)+2 V,

IOUT=1 μA→10 mA, CL=10 μF

S-812C30B

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

SNT-6A(H)-A-PKG Dimensions

PI006-A-P-SD-2.0

0.2±0.05

0.48±0.02

0.08 +0.05

-0.02

0.5

1.57±0.03

No. PI006-A-P-SD-2.0

Feed direction

4.0±0.1

2.0±0.05

4.0±0.1

ø1.5 +0.1

-0

ø0.5

1.85±0.05 0.65±0.05

0.25±0.05

5°

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

PI006-A-C-SD-1.0

SNT-6A(H)-A-Carrier Tape

No. PI006-A-C-SD-1.0

+0.1

-0

12.5max.

9.0±0.3

ø13±0.2

(60°) (60°)

QTY.

No. PI006-A-R-SD-1.0

PI006-A-R-SD-1.0

Enlarged drawing in the central part

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

SNT-6A(H)-A-Reel

5,000

No.

TITLE

SCALE

UNIT mm

SNT-6A(H)-A-Land Recommendation

Seiko Instruments Inc.

PI006-A-L-SD-3.0

No. PI006-A-L-SD-3.0

0.3

0.20.3

0.52

1.36

0.52

Caution Making the wire pattern under the package is possible. However, note that the package

may be upraised due to the thickness made by the silk screen printing and of a solder

resist on the pattern because this package does not have the standoff.

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

2.9±0.2

1.9±0.2

0.95±0.1

0.4±0.1

0.16 +0.1

-0.06

123

No. MP005-A-P-SD-1.2

MP005-A-P-SD-1.2

SOT235-A-PKG Dimensions

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

ø1.5 +0.1

-0 2.0±0.05

ø1.0 +0.2

-0 4.0±0.1

1.4±0.2

0.25±0.1

3.2±0.2

123

No. MP005-A-C-SD-2.1

MP005-A-C-SD-2.1

SOT235-A-Carrier Tape

Feed direction

4.0±0.1(10 pitches:40.0±0.2)

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

12.5max.

9.0±0.3

ø13±0.2

(60°) (60°)

QTY. 3,000

No. MP005-A-R-SD-1.1

MP005-A-R-SD-1.1

SOT235-A-Reel

Enlarged drawing in the central part

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

0.4±0.05

1.5±0.1

4.5±0.1

1.6±0.2

1.5±0.1 1.5±0.1

0.45±0.1

0.4±0.1

45°

312

No. UP003-A-P-SD-1.1

UP003-A-P-SD-1.1

SOT893-A-PKG Dimensions

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

2.0±0.1

0.3±0.05

8.0±0.1

ø1.5+0.1

-0

2.0±0.05

ø1.5+0.1

-0

4.75±0.1

5° max.

No. UP003-A-C-SD-1.1

UP003-A-C-SD-1.1

SOT893-A-Carrier Tape

Feed direction

4.0±0.1(10 pitches : 40.0±0.2)

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

13.0±0.3

16.5max.

(60°)

QTY. 1,000

No. UP003-A-R-SD-1.1

UP003-A-R-SD-1.1

SOT893-A-Reel

Enlarged drawing in the central part

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

1.5±0.1 1.5±0.1

1.6±0.2

4.5±0.1

132

1.5±0.1

0.4±0.05

0.4±0.1

0.45±0.1

0.4±0.1

45°

0.3

No. UP005-A-P-SD-1.1

UP005-A-P-SD-1.1

SOT895-A-PKG Dimensions

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

2.0±0.1

0.3±0.05

8.0±0.1

ø1.5+0.1

-0

2.0±0.05

ø1.5+0.1

-0

4.75±0.1

5° max.

No. UP005-A-C-SD-1.1

UP005-A-C-SD-1.1

SOT895-A-Carrier Tape

Feed direction

4.0±0.1(10 pitches : 40.0±0.2)

No.

TITLE

SCALE

UNIT mm

Seiko Instruments Inc.

16.5max.

13.0±0.3

QTY. 1,000

(60°)

No. UP005-A-R-SD-1.1

UP005-A-R-SD-1.1

SOT895-A-Reel

Enlarged drawing in the central part

No.

TITLE

SCALE

UNIT

Seiko Instruments Inc.

No. YS003-D-P-SD-2.0

YS003-D-P-SD-2.0

TO92-D-PKG Dimensions

5.2max.

0.45±0.1

1.27

0.45±0.1

4.2max.

0.6max.

Marked side

No.

TITLE

SCALE

UNIT

Seiko Instruments Inc.

No. YZ003-E-P-SD-2.0

YZ003-E-P-SD-2.0

TO92-E-PKG Dimensions

5.2max. 4.2max.

1.27

Marked side

0.45±0.1

2.5 +0.4

-0.1

0.6max.

No.

TITLE

SCALE

UNIT

Seiko Instruments Inc.

12.7±1.0

6.35±0.4 ø4.0±0.2

1.0max. 1#pin 3#pin

1.0max. 1.0max.

0.7±0.2

1.45max.

Feed direction

Z type

12.7±0.3(20 pitches : 254.0±1.0)

Marked side

No. YZ003-E-C-SD-1.1

YZ003-E-C-SD-1.1

TO92-E-Radial Tape

No.

TITLE

SCALE

UNIT

Seiko Instruments Inc.

QTY. 2,000

YZ003-E-Z-SD-1.0

TO92-E-Ammo Packing

333

162

Spacer(Sponge)

312 35

154

314

Side spacer placed in front side

Space more than 4 strokes

No. YZ003-E-Z-SD-1.0

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