IRU1237SC datasheet(2/7 Pages) IRF

2 / 7 page

IRU1237SC

Rev. 1.2

07/14/03

www.irf.com

ABSOLUTE MAXIMUM RATINGS

Input Voltage (VCC) ...................................................

18V

Input Voltage (VDD) ...................................................

18V

Operating Junction Temperature Range .....................

0°C To 150°C

Operating Ambient Temperature Range .....................

0°C To 70°C

Storage Temperature Range ......................................

-65°C To +150°C

ESD Capability (Human Body Model) ........................

2000V

PACKAGE INFORMATION

7-PIN ULTRA THIN-PAKTM (P)

θJA=30°C/W for 1"sq pad

Output Voltage #1

Output Voltage #2

Output Voltage #3

Line Regulation

Load Regulation

Dropout Voltage (Output #1)

Dropout Voltage (Output #2)

Dropout Voltage (Output #3)

Transient Response

Current Limit (Output #1)

Current Limit (Output #2)

Current Limit (Output #3)

Min Load Current (Output #1)

Min Load Current (Output #2)

Min Load Current (Output #3)

Output Capacitor

Input Capacitor

Thermal Regulation

ELECTRICAL SPECIFICATIONS

Unless otherwise specified, these specifications apply over VCC=5V, VDD=12V, CIN=COUT=0.1

mF(X7R), TJ=0 to

125°C. Typical values refer to TJ=25°C. IFL1=1.2A, IFL2 =1.2A and IFL3 =0.2A.

PARAMETER

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

2.522

2.20

3.20

2.90

7.76

1.50

0.25

0.1

2.60

3.30

8.00

0.2

0.4

1.3

1.1

2.0

1.0

1.65

0.30

0.1

2.678

2.65

3.40

8.24

1.7

1.3

2.2

2.50

0.50

0.3

%Vo

%/W

Over all operating conditions

0V<VDD<10.8V, IO1=0.5A

Over all operating conditions

0V<VDD<10.8V, IO1=0.5A

Over all operating conditions

IO=10mA, VCC

65%, VDD610%

Note 1, 10mA < IO < IFL

Note 2, IO1=IFL1

Note 2, IO2=IFL2

Note 3, IO3=IFL3

Note 3 and 7

DVO1=125mV

DVO2=165mV

DVO3=400mV

Note 4 and 7

Note 5 and 7

Note 7

Note 7, 30ms pulse, IO=IFL

VO1

VO2

VO3

RegLINE

RegLOAD

VDO1

VDO2

VDO3

tTR

IOL1

IOL2

IOL3

LO1(MIN)

LO2(MAX)

LO3(MAX)

CIN

RegTHERM

Gnd 26/33

V33

Vcc

VDD

V26

Gnd8

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