4-2

Rev. 1.0

11/2/99

US3022

ELECTRICAL SPECIFICATIONS

ELECTRICAL SPECIFICATIONS

ABSOLUTE MAXIMUM RATINGS

ABSOLUTE MAXIMUM RATINGS

V5 supply Voltage

........................................... 7V

V12 Supply Voltage ............................................ 20V

Storage Temperature Range ................................. -65 TO 150

Operating Junction Temperature Range .......... 0 TO 125

PACKAGE INFORMATION

PACKAGE INFORMATION

28 PIN WIDE BODY PLASTIC SOIC (W)

Unless otherwise specified ,these specifications apply over ,V12 = 12V, V5 = 5V and Ta=0 to 70

°C. Typical values

refer to Ta =25

°C. Low duty cycle pulse testing are used which keeps junction and case temperatures equal to the

ambient temperature.

PARAMETER

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

Supply UVLO Section

UVLO Threshold-12V

Supply ramping up

10

V

UVLO Hysterises-12V

0.6

V

UVLO Threshold-5V

Supply ramping up

4.4

V

UVLO Hysterises-5V

0.3

V

Supply Current

Operating Supply Current

V12

6

mA

V5

30

Switching Controllers; Vcore (Vsen 1) and AGP (Vsen 2)

VID Section (Vcore only)

DAC output voltage (note 1)

0.99Vs

Vs

1.01Vs

V

DAC Output Line Regulation

0.1

%

DAC Output Temp Variation

0.5

%

VID Input LO

0.8

V

VID Input HI

2

V

VID input internal pull-up

resistor to V5

27

k

Ω

Vsen2 Voltage

Select<0.8V

1.5

V

Select>2V

3.3

V

4

3

2

1

25

26

27

28

14

7

6

5

15

22

23

24

TOP VIEW

13

16

12

17

11

18

10

19

9

20

8

21

Drive2

Vsen5

Vref

VID3

VID2

VID1

VID0

PGood

Vsen2

Drive5

Select

SS

Fault / Rt

Vsen4

Drive4

Vaux

Gnd

Drive3

Vsen3

V5

Fb

Vsen1

OCSet

PGnd

LGate

Phase

UGate

V12