US3033

4-2

Rev. 1.5

1/14/99

ABSOLUTE MAXIMUM RATINGS

ABSOLUTE MAXIMUM RATINGS

F.B Pin Voltages........................................................

-0.3V to 5V

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

-65 TO 150

Operating Junction Temperature ............................... 0 TO 150

PACKAGE INFORMATION

PACKAGE INFORMATION

8 PIN PLASTIC SOIC (S)

Linear Controller Section

PARAMETER

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

F.B Voltage Initial Accuracy

1.237

1.250

1.262

V

F.B Voltage Total Variation

1.225

1.250

1.275

V

F.B Voltage Line Regulation

0.2

%

F.B Input Bias Current

-1

+1

uA

Maximum Drive Current

50

mA

5

mA

Switching Controller Section

PARAMETER

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

F.B Voltage Initial Accuracy

°C

1.237

1.250

1.262

V

F.B Voltage Total Variation

1.225

1.250

1.275

V

F.B Voltage Line Regulation

0.2

%

F.B Input Bias Current

-1

+1

uA

Min On Time

800

nS

time and 2 uS off time

Min Off Time

800

nS

time and 2 uS on time

Vhyst pin output-HI

11

V

Vhyst pin output-LO

1

V

Supply Current

10

mA

Maximum Duty Cycle

100

%

Minimum Duty Cycle

0

%

Gate Drive Rise/Fall Time

Load=IRL3303

70

nS

ELECTRICAL SPECIFICATIONS

ELECTRICAL SPECIFICATIONS

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

4

3

2

1

5

6

7

8

TOP VIEW

Drv1

V12sw

Vfb1

Vhyst

Gnd

Vfb2

Drv2

V12