2

Rev. 1.0

09/17/03

IRU3073

www.irf.com

ABSOLUTE MAXIMUM RATINGS

Vcc Supply Voltage ................................................... -0.5 - 25V

VcL, VcH Supply Voltage .......................................... -0.5 - 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

Feedback Voltage

Fb Voltage

Fb Voltage Line Regulation

Reference Voltage

Ref Voltage Initial Accuracy

Drive Current

UVLO

UVLO Threshold - Vcc

UVLO Hysteresis - Vcc

UVLO Threshold - VcH

UVLO Hysteresis - VcH

UVLO Threshold - Fb1

UVLO Hysteresis - Fb1

Supply Current

Vcc Dynamic Supply Current

Vc Dynamic Supply Current

Vcc Static Supply Current

Vc Static Supply Current

Soft-Start Section

Charge Current

5<Vcc<12

Note 1

Supply Ramping Up

Supply Ramping Up

Fb Ramping Down

SS=0V

SS=0V

SS=0V

0.784

0.784

3.9

3.3

0.3

10

0.8

0.2

0.8

2

4.4

0.25

3.5

0.2

0.4

0.1

5

5

3.5

3

25

0.816

0.625

0.816

4.8

3.7

0.5

10

15

10

5

30

V

%

V

mA

V

V

V

V

V

V

mA

mA

mA

mA

mA

4

3

2

1

7

6

5

11

13

12

14

10

15

9

16

8

Fb2

Drv2

Rt

SS/SD

Comp

Fb1

OCSet

VcH

HDrv

Gnd

PGnd

LDrv

VcL

Vcc

PACKAGE INFORMATION

16-PIN PLASTIC QSOP NB (Q)

UVLO Fb1

ELECTRICAL SPECIFICATIONS

cycle pulse testing is used which keeps junction and case temperatures equal to the ambient temperature.