PT6314A - Texas Instruments - Datasheet.Directory

For technical support and more information, see inside back cover or visit www.ti.com/powertrends

3 Amp Adjustable Positive S tep-down

Integrated S witching Regulators

PT6300 Series

•90% Efficiency

•Adjustable Output Voltage

•Internal Short Circuit Protection

•Over-Temperature Protection

•On/Off Control (Ground Off)

•Small SIP Footprint

•Wide Input Range

The PT6300 Series is a line of

High-Performance 3 Amp, 12-Pin SIP

(Single In-line Package) Integrated

Switching Regulators (ISRs) designed

to meet the on-board power conversion

needs of battery powered or other

equipment requiring high efficiency and

small size. This high performance ISR

family offers a unique combination of

features combining 90% typical effi-

ciency with open-collector on/off

control and adjustable output voltage.

Quiescent current in the shutdown

mode is typically less than 100µA.

Standard Application

C1 = Optional 1µF ceramic

C2 = Required 100µF electrolytic (1)

Q1 = NFET

Ordering Information

PT6302¨ = +5 Volts

PT6303¨ = +3.3 Volts

PT6304¨ = +12 Volts

PT6314¨ = +1.5Volts

Pin-Out Information

Pin Function

1Inhibit

(30V max)

5 GND

6 GND

7 GND

8 GND

out

10 Vout

11 Vout

12 Vout Adj (5)

PT Series Suffix (PT1234X)

Case/Pin

Configuration

Vertical Through-Hole N

Horizontal Through-Hole A

Horizontal Surface Mount C

PT6300

2,3,4

5,6,7,8

9,10,11

COM COM

OUT

C2 +

ADJ

INH Q1

Pkg Style 200

SLTS031B

(Revised 9/30/2000)

Specifications

Characteristics

PT6300 SERIES

(Ta=25°C unless noted) Symbols Conditions Min Typ Max Units

Output Current IoOver Vin range 0.1 (2) — 3.0 A

Short Circuit Current Isc Vin = Vo + 5V — 5.0 — Apk

Input Voltage Range Vin 0.1 ≤ Io ≤ 3.0 A Vo = 12V 16 — 30/38 (3)

(Note: inhibit function cannot Vo = 5.0V 9 — 30/38 (3) V

be used above 30V.) Vo = 3.3V 9 — 26

Vo = 1.5V 9.0 — 17

Output Voltage Tolerance ∆VoOver Vin Range, Io = 3.0 A — ±1.0 ±2.0 %Vo

Ta = 0°C to +60°C

Line Regulation Regline Over Vin range — ±0.25 ±0.5 %Vo

Load Regulation Regload 0.1 ≤ Io ≤ 3.0 A — ±0.25 ±0.5 %Vo

Vo Ripple/Noise VnVin = Vin min, Io = 3.0 A — ±2 — %Vo

Transient Response ttr 50% load change — 100 200 µSec

with Co = 100µF Vos Vo over/undershoot — 5.0 — %Vo

Efficiency ηVin=16V, Io = 0.5 A, Vo = 12V — 91 —

Vin=9V, Io = 0.5 A, Vo = 5.0V — 89 — %

Vin=9V, Io = 0.5 A, Vo = 3.3V — 84 —

Vin=9V, Io =0.5A, Vo = 1.5V — 72 —

Switching Frequency ƒoOver Vin and Io ranges, Vo = 12V 600 750 900

Vo = 3.3V/5V 400 500 600 kHz

Vo = 1.5V 350 450 550

Shutdown Current Isc Vin = 15V — 100 — µA

Quiescent Current Inl Io = 0A, Vin =10V — 10 — mA

Absolute Maximum TaOver Vin range -40 — +85 (4) °C

Operating Temperature Range

Thermal Resistance θja Free Air Convection (40-60LFM) — 30 — °C/W

Storage Temperature Ts— -40 — +125 °C

Mechanical Shock Per Mil-STD-883D, Method 2002.3, 1 msec, — 500 —G’s

Half Sine, mounted to a fixture

Mechanical Vibration Per Mil-STD-883D, Method 2007.2,

20-2000 Hz,Soldered in a PC board — 10 — G’s

Weight — — — 6.5 — grams

Notes: (1) The PT6300 Series requires a 100µF electrolytic or tantalum output capacitor for proper operation in all applications.

(2) The ISR will operate to no load with reduced specifications.

(3) Input voltage cannot exceed 30V when the inhibit function is used.

(4) See Thermal Derating charts.

(5) Consult the related application note for guidance on adjusting the output voltage.

For technical support and more information, see inside back cover or visit www.ti.com/powertrends

Typical Characteristics

0.5

1.5

2.5

9 111315171921232527

0.5

1.5

2.5

16 19 22 25 28 31 34 37

0.5

1.5

2.5

9 13172125293337

PT6303, 3.3 VDC (See Note A) PT6302, 5.0 VDC (See Note A) PT6304, 12.0 VDC (See Note A)

Efficiency vs Output Current

Ripple vs Output Current

Thermal Derating (Ta) (See Note B)

Power Dissipation vs Output Current

Efficiency - %Ripple-(mV)Iout-(Amps)PD-(Watts)

Efficiency - %

Ripple-(mV)

Ripple-(mV)Iout-(Amps)

Iout-(Amps)

PD-(Watts)

Iout-(Amps)

Iout-(Amps) Iout-(Amps) Iout-(Amps)

Vin-(Volts) Vin-(Volts)Vin-(Volts)

100

00.511.522.53

9.0V

12.0V

15.0V

20.0V

26.0V

Vin

100

00.511.522.53

9.0V

12.0V

15.0V

24.0V

30.0V

38.0V

Vin

100

0 0.5 1 1.5 2 2.5 3

16.0V

20.0V

24.0V

30.0V

38.0V

Vin

100

120

140

160

00.511.522.53

26.0V

20.0V

15.0V

12.0V

9.0V

Vin

100

120

140

160

180

00.511.522.53

38.0V

30.0V

24.0V

15.0V

12.0V

9.0V

Vin

100

150

200

250

300

350

00.511.522.53

38.0V

30.0V

24.0V

20.0V

16.0V

Vin

0.5

1.5

2.5

3.5

0 0.5 1 1.5 2 2.5 3

26.0V

20.0V

15.0V

12.0V

9.0V

Vin

0.5

1.5

2.5

3.5

0 0.5 1 1.5 2 2.5 3

38.0V

30.0V

24.0V

15.0V

12.0V

9.0V

Vin

0.5

1.5

2.5

3.5

4.5

00.511.522.53

38.0V

30.0V

24.0V

20.0V

16.0V

Vin

70°C

50°C

Note A: Characteristic data listed in the above graphs has been developed from actual products tested at 25°C. This data is considered typical data for the ISR

Note B: Thermal derating graphs are developed in free air convection cooling of 40-60 LFM. (See Thermal Application note.)

50°C

60°C

40°C

70°C

85°C

70°C

85°C

60°C

Thermal Derating (Ta) (See Note B) Thermal Derating (Ta) (See Note B)

Ripple vs Output Current Ripple vs Output Current

Efficiency vs Output Current Efficiency vs Output Current

Power Dissipation vs Output Current Power Dissipation vs Output Current

3 Amp Adjustable P ositive Step-down

Integrated S witching Regulators

PT6300 Series

Application Notes

For technical support and more information, see inside back cover or visit www.ti.com/powertrends

PT6100/6210/6300 Series

Adjusting the Output V oltage of Power Trends’

Wide Input Range Bus ISRs

The output voltage of the Power Trends’ Wide Input

Range Series ISRs may be adjusted higher or lower than

the factory trimmed pre-set voltage with the addition of a

single external resistor. Table 1 accordingly gives the

allowable adjustment range for each model for either

series as Va (min) and Va (max).

Adjust Up: An increase in the output voltage is obtained by

adding a resistor R2, between pin 12 (Vo adjust) and pins 5-8

(GND).

Adjust Down: Add a resistor (R1), between pin 12 (Vo adjust)

and pins 9-11(Vout).

Figure 1

The values of (R1) [adjust down], and R2 [adjust up], can

also be calculated using the following formulas. Refer to

Figure 1 and Table 2 for both the placement and value of the

required resistor; either (R1) or R2 as appropriate.

Ro (Va – 1.25)

(R1) = Vo – VakΩ

1.25 RokΩ

R2 = Va – Vo

Where: Vo= Original output voltage

Va= Adjusted output voltage

Ro= The resistance value fromTable 1

Table 1

ISR ADJUSTMENT RANGE AND FORMULA PARAMETERS

1Adc Rated PT6102 PT6101 PT6103

2Adc Rated PT6216 PT6213 PT6212 PT6214

3Adc Rated PT6314 PT6303 PT6302 PT6304

Vo (nom) 1.5 3.3 5.0 5.0 12.0

Va (min) 1.3 1.8 1.88 2.18 2.43

Va (max) 1.9 6.07 11.25 8.5 22.12

Ro (kΩΩ

ΩΩ

Ω)8.25 66.5 150.0 90.9 243.0

Adjust

F Ceramic

(Optional)

100

(Req'd)

COMCOM

Vin

(R1)

Adj Down

PT6100/6200/6300

9,10,11

125,6,7,8

2,3,4 Vin Vo

GND Vo(adj)

Notes:

1. Use only a single 1% resistor in either the (R1) or R2

location. Place the resistor as close to the ISR as possible.

2. Never connect capacitors from Vo adjust to either GND

or Vout. Any capacitance added to the Vo adjust pin will

affect the stability of the ISR.

3. Adjustments to the output voltage may place additional

limits on the maximum and minimum input voltage for

the part. The revised maximum and minimum input

voltage limits must comply with the following

requirements. The limits are model dependant.

PT6216/PT6314:

Vin (max) = (10 x Va)V or 17V, whichever is less.

Vin (min) = 9.0V

All other models:

Vin (max) = (8 x Va)V or as specified.

Vin (min) = (Va + 4)V or 9V, whichever is greater.

For technical support and more information, see inside back cover or visit www.ti.com/powertrends

Application Notes

continued

PT6100/6210/6300 Series

ISR ADJUSTMENT RESISTOR VALUES (Cont)

1Adc Rated PT6101 PT6103

2Adc Rated PT6212 PT6214

3Adc Rated PT6302 PT6304

Vo (nom) 5.0 5.0 12.0

Va (req.d)

6.2 156.0kΩ94.7kΩ(207.0)kΩ

6.4 134.0kΩ81.2kΩ(223.0)kΩ

6.6 117.0kΩ71.0kΩ(241.0)kΩ

6.8 104.0kΩ63.1kΩ(259.0)kΩ

7.0 93.8kΩ56.8kΩ(279.0)kΩ

7.2 85.2kΩ51.6kΩ(301.0)kΩ

7.4 78.1kΩ47.3kΩ(325.0)kΩ

7.6 72.1kΩ43.7kΩ(351.0)kΩ

7.8 67.0kΩ40.6kΩ(379.0)kΩ

8.0 62.5kΩ37.9kΩ(410.0)kΩ

8.2 58.6kΩ35.5kΩ(444.0)kΩ

8.4 55.1kΩ33.4kΩ(483.0)kΩ

8.6 52.1kΩ(525.0)kΩ

8.8 49.3kΩ(573.0)kΩ

9.0 46.9kΩ(628.0)kΩ

9.5 41.7kΩ(802.0)kΩ

10.0 37.5kΩ(1060.0)kΩ

10.5 34.1kΩ(1500.0)kΩ

11.0 31.3kΩ

11.5

12.0

12.5 608.0kΩ

13.0 304.0kΩ

13.5 203.0kΩ

14.0 152.0kΩ

14.5 122.0kΩ

15.0 101.0kΩ

15.5 86.8kΩ

16.0 75.9kΩ

16.5 67.5kΩ

17.0 60.8kΩ

17.5 55.2kΩ

18.0 50.6kΩ

18.5 46.7kΩ

19.0 43.4kΩ

19.5 40.5kΩ

20.0 38.0kΩ

20.5 35.7kΩ

21.5 33.8kΩ

21.5 32.0kΩ

22.0 30.4kΩ

ISR ADJUSTMENT RESISTOR V ALUES

1Adc Rated PT6102 PT6101 PT6103

2Adc Rated PT6216 PT6213 PT6212 PT6214

3Adc Rated PT6314 PT6303 PT6302 PT6304

Vo (nom) 1.5 3.3 5.0 5.0 12.0

Va (req.d)

1.3 (2.1kΩ)

1.4 (12.4kΩ)

1.5

1.6 103.0kΩ

1.7 51.6kΩ

1.8 34.4kΩ(24.4)kΩ

1.9 25.8kΩ(30.9)kΩ(31.5)kΩ

2.0 (38.4)kΩ(37.5)kΩ

2.1 (47.1)kΩ(44.0)kΩ

2.2 (57.4)kΩ(50.9)kΩ(30.8)kΩ

2.3 (69.8)kΩ(58.3)kΩ(35.4)kΩ

2.4 (85.0)kΩ(66.3)kΩ(40.2)kΩ

2.5 (104.0)kΩ(75.0)kΩ(45.5)kΩ(32.0)kΩ

2.6 (128.0)kΩ(84.4)kΩ(51.1)kΩ(34.9)kΩ

2.7 (161.0)kΩ(94.6)kΩ(57.3)kΩ(37.9)kΩ

2.8 (206.0)kΩ(106.0)kΩ(64.0)kΩ(40.9)kΩ

2.9 (274.0kΩ(118.0)kΩ(71.4)kΩ(44.1)kΩ

3.0 (388.0)kΩ(131.0)kΩ(79.5)kΩ(47.3)kΩ

3.1 (615.0)kΩ(146.0)kΩ(88.5)kΩ(50.5)kΩ

3.2 (1300.0)kΩ(163.0)kΩ(98.5)kΩ(53.8)kΩ

3.3 (181.0)kΩ(110.0)kΩ(57.3)kΩ

3.4 831.0kΩ(202.0)kΩ(122.0)kΩ(60.8)kΩ

3.5 416.0kΩ(225.0)kΩ(136.0)kΩ(64.3)kΩ

3.6 227.0kΩ(252.0)kΩ(153.0)kΩ(68.0)kΩ

3.7 208.0kΩ(283.0)kΩ(171.0)kΩ(71.7)kΩ

3.8 166.0kΩ(319.0)kΩ(193.0)kΩ(75.6)kΩ

3.9 139.0kΩ(361.0)kΩ(219.0)kΩ(79.5)kΩ

4.0 119.0kΩ(413.0)kΩ(250.0)kΩ(83.5)kΩ

4.1 104.0kΩ(475.0)kΩ(288.0)kΩ(87.7)kΩ

4.2 92.4kΩ(533.0)kΩ(335.0)kΩ(91.9)kΩ

4.3 83.1kΩ(654.0)kΩ(396.0)kΩ(96.3)kΩ

4.4 75.6kΩ(788.0)kΩ(477.0)kΩ(101.0)kΩ

4.5 69.3kΩ(975.0)kΩ(591.0)kΩ(105.0)kΩ

4.6 63.9kΩ(1260.0)kΩ(761.0)kΩ(110.0)kΩ

4.7 59.4kΩ(1730.0)kΩ(1050.0)kΩ(115.0)kΩ

4.8 55.4kΩ(1610.0)kΩ(120.0)kΩ

4.9 52.0kΩ(125.0)kΩ

5.0 48.9kΩ(130.0)kΩ

5.1 46.2kΩ1880.0kΩ1140.0kΩ(136.0)kΩ

5.2 43.8kΩ937.0kΩ568.0kΩ(141.0)kΩ

5.3 41.6kΩ625.0kΩ379.0kΩ(147.0)kΩ

5.4 39.6kΩ469.0kΩ284.0kΩ(153.0)kΩ

5.5 37.8kΩ375.0kΩ227.0kΩ(159.0)kΩ

5.6 36.1kΩ313.0kΩ189.0kΩ(165.0)kΩ

5.7 34.6kΩ268.0kΩ162.0kΩ(172.0)kΩ

5.8 33.3kΩ234.0kΩ142.0kΩ(178.0)kΩ

5.9 32.0kΩ208.0kΩ126.0kΩ(185.0)kΩ

6.0 30.8kΩ188.0kΩ114.0kΩ(192.0)kΩ

Table 2

R1 = (Blue) R2 = Black

Application Notes

For technical support and more information, see inside back cover or visit www.ti.com/powertrends

Using the Inhibit Function on Power Trends’

Wide Input Range Bus ISRs

For applications requiring output voltage On/Off control,

the 12pin ISR products incorporate an inhibit function.

The function has uses in areas such as battery conservation,

power-up sequencing, or any other application where the

regulated output from the module is required to be

switched off. The On/Off function is provided by the

Pin 1 (Inhibit) control.

The ISR functions normally with Pin 1 open-circuit,

providing a regulated output whenever a valid source

voltage is applied to Vin, (pins 2, 3, & 4). When a low-

level2 ground signal is applied to Pin 1, the regulator

output will be disabled.

Figure 1 shows an application schematic, which details

the typical use of the Inhibit function. Note the discrete

transistor (Q1). The Inhibit control has its own internal

pull-up with a maximum open-circuit voltage of 8.3VDC.

Only devices with a true open-collector or open-drain

output can be used to control this pin. A discrete bipolar

transistor or MOSFET is recommended.

Equation 1 may be used to determine the approximate

current drawn by Q1 when the inhibit is active.

Equation 1

Istby =V

in ÷ 155kΩ± 20%

Notes:

1. The Inhibit control logic is similar for all Power Trends’

modules, but the flexibility and threshold tolerances will be

different. For specific information on the inhibit function

of other ISR models, consult the applicable application

note.

2. Use only a true open-collector device (preferably a discrete

transistor) for the Inhibit input. Do Not use a pull-up

resistor, or drive the input directly from the output of a

TTL or other logic gate. To disable the output voltage,

the control pin should be pulled low to less than +1.5VDC.

3. When the Inhibit control pin is active, i.e. pulled low, the

maximum allowed input voltage is limited to +30Vdc.

4. Do not control the Inhibit input with an external DC

voltage. This will lead to erratic operation of the ISR and

may over-stress the regulator.

5. Avoid capacitance greater than 500pF at the Inhibit control

pin. Excessive capacitance at this pin will cause the ISR to

produce a pulse on the output voltage bus at turn-on.

6. Keep the On/Off transition to less than 10µs. This

prevents erratic operation of the ISR, which can cause a

momentary high output voltage.

100

C1, 1

(Optional)

out

COM

Inh

BSS138

PT6100/6210/6300

9,10,11

125,6,7,8

2,3,4 Vin Vo

GND Vo

(

Inh*

Figure 1

Turn-On Time: The output of the ISR is enabled automatically

when external power is applied to the input. The Inhibit control

pin is pulled high by its internal pull-up resistor. The ISR

produces a fully regulated output voltage within 1-msec of

either the release of the Inhibit control pin, or the application

of power. The actual turn-on time will vary with the input

voltage, output load, and the total amount of capacitance con-

nected to the output Using the circuit of Figure 1, Figure 2

shows the typical rise in output voltage for the PT6101

following the turn-off of Q1 at time t =0. The waveform was

measured with a 9Vdc input voltage, and 5-Ohm resistive load.

Figure 2

-0.2 0 0.2 0.4 0.6 0.8 1

t (m i l li -secs)

Vo (Vdc)

PT6100/6210/6300 Series

PACKAGE OPTION ADDENDUM

www.ti.com 20-Aug-2011

Addendum-Page 1

PACKAGING INFORMATION

Orderable Device Status (1) Package Type Package

Drawing Pins Package Qty Eco Plan (2) Lead/

Ball Finish MSL Peak Temp (3) Samples

(Requires Login)

PT6302A NRND SIP MODULE EBA 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6302B NRND SIP MODULE EBK 12 12 Pb-Free (RoHS) Call TI Level-1-215C-UNLIM

PT6302BT NRND SIP MODULE EBK 12 200 Pb-Free (RoHS) Call TI Level-1-215C-UNLIM

PT6302C NRND SIP MODULE EBC 12 12 Pb-Free (RoHS) Call TI Level-1-215C-UNLIM

PT6302CT NRND SIP MODULE EBC 12 200 Pb-Free (RoHS) Call TI Level-1-215C-UNLIM

PT6302G NRND SIP MODULE EBG 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6302H OBSOLETE SIP MODULE EBH 12 TBD Call TI Call TI

PT6302J OBSOLETE SIP MODULE EBJ 12 TBD Call TI Call TI

PT6302N NRND SIP MODULE EBD 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6302R NRND SIP MODULE EBE 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6302S NRND SIP MODULE EBF 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6303A NRND SIP MODULE EBA 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6303C NRND SIP MODULE EBC 12 12 Pb-Free (RoHS) Call TI Level-1-215C-UNLIM

PT6303CT NRND SIP MODULE EBC 12 200 Pb-Free (RoHS) Call TI Level-1-215C-UNLIM

PT6303G NRND SIP MODULE EBG 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6303N NRND SIP MODULE EBD 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6303R NRND SIP MODULE EBE 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6303S OBSOLETE SIP MODULE EBF 12 TBD Call TI Call TI

PT6304A NRND SIP MODULE EBA 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6304B NRND SIP MODULE EBK 12 12 Pb-Free (RoHS) Call TI Level-1-215C-UNLIM

PT6304C NRND SIP MODULE EBC 12 12 Pb-Free (RoHS) Call TI Level-1-215C-UNLIM

PT6304G NRND SIP MODULE EBG 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6304H OBSOLETE SIP MODULE EBH 12 TBD Call TI Call TI

PT6304J OBSOLETE SIP MODULE EBJ 12 TBD Call TI Call TI

PT6304N NRND SIP MODULE EBD 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6304R NRND SIP MODULE EBE 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

PT6314A NRND SIP MODULE EBA 12 12 Pb-Free (RoHS) Call TI N / A for Pkg Type

(1) The marketing status values are defined as follows:

ACTIVE: Product device recommended for new designs.

LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.

PACKAGE OPTION ADDENDUM

www.ti.com 20-Aug-2011

Addendum-Page 2

NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.

PREVIEW: Device has been announced but is not in production. Samples may or may not be available.

OBSOLETE: TI has discontinued the production of the device.

(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability

information and additional product content details.

TBD: The Pb-Free/Green conversion plan has not been defined.

Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that

lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.

Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between

the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.

Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight

in homogeneous material)

(3) MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.

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