NCP3712ASNT1G - ON Semiconductor - Datasheet.Directory

February, 2011 − Rev. 6

1Publication Order Number:

NCP3712ASNT1/D

NCP3712ASN,

SZNCP3712ASN

Over Voltage Protected

High Side Switch

This switch is primarily intended to protect loads from transients by

isolating the load from the transient energy rather than absorbing it.

Features

•Capable of Switching Loads of up to 200 mA without External

Rboost

•Switch Shuts Off in Response to an Over Voltage Input Transient

•Features Active Turn Off for Fast Input Transient Protection

•Flexible Over Voltage Protection Threshold Set with External Zener

•Automatic Recovery after Transient Decays Below Threshold

•Withstands Input Transients up to 105 V Peak

•Guaranteed Off State with Enbl Input

•ESD Resistant in Accordance with the 2000 V Human Body Model

•Extremely Low Saturation Voltage

•SZ Prefix for Automotive and Other Applications Requiring Unique

Site and Control Change Requirements; AEC−Q101 Qualified and

PPAP Capable

•These are Pb−Free Devices

Applications Include:

•High Voltage Transient Isolation

•Power Switching to Electronic Modules

•DC Power Distribution in Line Operated Equipment

•Buffering Sensitive Circuits from Poorly Regulated Power Supplies

•Pre−conditioning of Voltage Regulator Input Voltage

Figure 1. Typical Application Circuit

NCP3712ASN

Ropt

P. S.

−

Rboost

Enbl

Vin Vout

1 k (min)

SC−74

CASE 318F

INTERNAL CIRCUIT DIAGRAM/

PIN CONFIGURATION

Enbl(1)VZ

(4)

(3)

(6)

(2)

(5)

Vin Vout

N.C.

Rboost

R1 R3

MARKING

DIAGRAM

Device Package Shipping†

ORDERING INFORMATION

BAG = Device Code

M = Date Code

G= Pb−Free Package

NCP3712ASNT1G SC−74

(Pb−Free)

3000 / Tape &

Reel

NCP3712ASNT3G SC−74

(Pb−Free)

10,000 / Tape &

Reel

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specifications

Brochure, BRD8011/D.

http://onsemi.com

6BAG MG

(*Note: Microdot may be in either loca-

tion)

SZNCP3712ASNT1G SC−74

(Pb−Free)

3000 / Tape &

Reel

NCP3712ASN, SZNCP3712ASN

http://onsemi.com

MAXIMUM RATINGS (TJ = 25°C unless otherwise noted) (Note 1)

Rating Symbol Value Unit

Input−to−Output Voltage Vio 105 V

Reverse Input−to−Vz. Voltage Vin(rev) −9.0 V

Reverse Input−to−Rboost Voltage Vin(rev) −5.0 V

Output Load Current −Continuous Iload −300 mA

Enbl Input Current −Continuous Ienbl 5.0 mA

Vz Input Current −Continuous Iz3.0 mA

Rboost Input Current −Continuous Iboost 10 mA

Junction Temperature TJ125 °C

Operating Ambient Temperature Range TA−40 to +85 °C

Storage Temperature Range Tstg −65 to +150 °C

Device Power Dissipation (Minimum Footprint) PD300 mW

Derate Above 25°C−2.4 mW/°C

Latchup Performance: Positive

Negative

ILatchup 200

200

Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the

Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect

device reliability.

1. This device contains ESD protection and exceeds the following tests:

Human Body Model 1500 V per MIL−STD−883, Method 3015.

Machine Model Method 150 V.

Figure 2. Typical Applications Circuit for Load Dump Transient Protection

NCP3712

ASN

A+

A−

1N4004

FB*

*FB = MMZ2012 Y601B

FB*

0.01 mF

TYP

0.027 mF

TYP

18 V

TYP Ropt

Rload

Enbl

Iboost

Rboost

Ienbl

Vout

Iload

N.C. Vin

1.0 k TYP

Renbl

0−500 W

KEY

Von

Figure 3. Enable NOT Switching Waveforms Figure 4. Load Dump Waveforms

30 500

TIME (ms)

3500

13.5 V SUPPLY RAIL

AMPLITUDE (V)

155 10 20 25 35 40 250 30050 100 200150

100

120

50%

AMPLITUDE

LOAD

DEPENDENT

EXP DECAY

DEVICE OUTPUT

VOLTAGE

“ENABLE

NOT”

INPUT

tpLH

Voff

13.5 V

SUPPLY

RAIL

TYPICAL

INPUT

TRANSIENT

LOAD

DEPENDENT

OUTPUT

EXP DECAY

NCP3712ASN, SZNCP3712ASN

http://onsemi.com

ELECTRICAL CHARACTERISTICS (Vin = 12.5 VDC Ref to Gnd, TA = 25°C unless otherwise noted.)

Characteristic Symbol Min Typ Max Unit

OFF CHARACTERISTICS

Input−Output Breakdown Voltage

(@ Iout = 200 mA)

V(BRio) 105 − −

Vdc

Output Reverse Breakdown Voltage

(@ Iout = −1.0 mA Pulse)

V(−BRout)

− −0.7 −

Vdc

Output Leakage Current

(Vin = Venbl = 30 V, TA = 25°C)

Iload(off)

− − −100

mAdc

Guaranteed “Off” State “ENBL NOT” Voltage

(IO ≤ 100 mA)

Venbl(off) 13 − −

Vdc

Required “Off” State Iz Current

(Rload = 100 W)

Iz(off) 150 − −

mAdc

Vin(off)

(Vz = 16 V, Iload = 100 mA, Renbl = 1500 W)

Voff 15.5 −18.7

Vdc

ON CHARACTERISTICS

Input−Output On Voltage

(Io = 100 mA, Ienbl = −3.0 mA)

Vio(on)

−0.2 0.5

Vdc

Output Load Current ⎯Continuous

(Ienbl = −3.0 mA, Vio(on) = 0.5 Vdc)

(Iboost = −9.0 mA, Vio(on) = 0.5 Vdc)

(Iboost = −9.0 mA, Vio(on) = 0.6 Vdc)

Io(on)

−

−200

−300

mAdc

Vin(on)

(Vz = 16 V, Iload = 100 mA, Renbl = 1500 W)

Von 8.5 −10.5

Vdc

“ENBL NOT” Input Current

(Io = 100 mA, Vio(on) = 0.35 Vdc, Renbl = 1500 W)

Ienbl

− − −1.0

mAdc

SWITCHING CHARACTERISTICS

Propagation Delay Time:

Hi to Lo Prop Delay; Fig. 3 (Vin = Venbl = 13.5 V)

Lo to Hi Prop Delay; Fig. 3 (Vin = 13.5 V, Venbl = 0 V)

tPHL

tPLH

−

1.5

−

Transition Times:

Fall Time; Fig. 4 (Vin = Venbl = 13.5 V)

Rise Time; Fig. 4 (Vin = Venbl = 0 V)

−

400

−

INTERNAL RESISTORS

Input Leakage Resistor R2 7.0 10 13 kW

Input Resistor R1 3.3 4.7 6.1 kW

Output Leakage Resistor R4 1.4 2.4 3.2 kW

Enable Input Resistor R3 1.4 2.4 3.2 kW

NCP3712ASN, SZNCP3712ASN

http://onsemi.com

PACKAGE DIMENSIONS

SC−74

CASE 318F−05

ISSUE M

456

0.05 (0.002)

NOTES:

1. DIMENSIONING AND TOLERANCING PER

ANSI Y14.5M, 1982.

2. CONTROLLING DIMENSION: INCH.

3. MAXIMUM LEAD THICKNESS INCLUDES

LEAD FINISH THICKNESS. MINIMUM LEAD

THICKNESS IS THE MINIMUM THICKNESS

OF BASE MATERIAL.

4. 318F−01, −02, −03, −04 OBSOLETE. NEW

STANDARD 318F−05.

0.7

0.028

1.9

0.074

0.95

0.037

2.4

0.094

1.0

0.039

0.95

0.037

ǒmm

inchesǓ

SCALE 10:1

*For additional information on our Pb−Free strategy and soldering

details, please download the ON Semiconductor Soldering and

Mounting Techniques Reference Manual, SOLDERRM/D.

SOLDERING FOOTPRINT*

DIM

MIN NOM MAX MIN

MILLIMETERS

0.90 1.00 1.10 0.035

INCHES

A1 0.01 0.06 0.10 0.001

b0.25 0.37 0.50 0.010

c0.10 0.18 0.26 0.004

D2.90 3.00 3.10 0.114

E1.30 1.50 1.70 0.051

e0.85 0.95 1.05 0.034

0.20 0.40 0.60 0.008

0.039 0.043

0.002 0.004

0.015 0.020

0.007 0.010

0.118 0.122

0.059 0.067

0.037 0.041

0.016 0.024

NOM MAX

2.50 2.75 3.00 0.099 0.108 0.118

− −

0°10°0°10°

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NCP3712ASNT1/D

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