IRU3138CS datasheet(2/18 Pages) IRF

2 / 18 page

Rev. 1.0

01/29/04

IRU3138

www.irf.com

ELECTRICAL SPECIFICATIONS

Unless otherwise specified, these specifications apply over VCC=5V, VC=12V and TA=0 to 70°C. Typical values refer

to TA=25°C. Low duty cycle pulse testing is used which keeps junction and case temperatures equal to the ambient

temperature.

ABSOLUTE MAXIMUM RATINGS

VCC Supply Voltage ..................................................

-0.5V - 25V

VC Supply Voltage ....................................................

-0.5V - 25V

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

-65°C To 150°C

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

0°C To 125°C

CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device.

PARAMETER

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

Reference Voltage

VREF Voltage

Fb Voltage Line Regulation

UVLO

UVLO Threshold - VCC

UVLO Hysteresis - VCC

UVLO Threshold - VC

UVLO Hysteresis - VC

UVLO Threshold - Fb

UVLO Hysteresis - Fb

Supply Current

VCC Dynamic Supply Current

VC Dynamic Supply Current

VCC Static Supply Current

VC Static Supply Current

Soft-Start Section

Charge Current

Oscillator

Frequency

Ramp Amplitude

5<VCC<12

Supply Ramping Up

Fb Ramping Down

Note 1

Freq=200KHz, CL=3000pF

SS=0V

Rt=Open

Rt=Gnd

Note 1

0.784

4.0

3.0

0.3

180

360

0.8

4.25

0.25

3.5

0.25

0.4

0.02

6.5

2.5

200

400

1.25

0.816

1.6

4.5

3.65

0.5

220

440

KHz

uJA=888C/W

VFB

LREG

UVLO Vcc

UVLO Vc

UVLO Fb

Dyn Icc

Dyn Ic

ICCQ

ICQ

SSIB

Freq

VRAMP

PACKAGE INFORMATION

14-PIN PLASTIC SOIC NB (S)

Vcc

LDrv

Gnd

PGnd

HDrv

12 Comp

14 NC

VREF

SS/SD

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