4-2

Rev. 1.2

12/8/00

US3004,US3005

ELECTRICAL SPECIFICATIONS

ELECTRICAL SPECIFICATIONS

refer to Ta =25

ambient temperature.

ABSOLUTE MAXIMUM RATINGS

ABSOLUTE MAXIMUM RATINGS

V5 supply Voltage

........................................... 10V

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

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

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

PACKAGE INFORMATION

PACKAGE INFORMATION

20 PIN WIDE BODY PLASTIC SOIC (W)

4

3

2

1

7

6

5

18

19

20

TOP VIEW

11

13

12

14

10

15

9

16

8

17

Lin2

D0

D1

D2

D3

D4

Vfb3

SS

V12

LDrv

Ct / En

Lin1

Vfb1

Vfb2

V5

PGd

CS-

CS+

HDrv

Gnd

PARAMETER

SYM

TEST CONDITION

MIN

TYP

MAX

UNITS

VID Section

DAC output voltage

0.99Vs

Vs

1.01Vs

V

(note 1)

DAC Output Line Regulation

0.1

%

DAC Output Temp Variation

0.5

%

VID Input LO

0.4

V

VID Input HI

2

V

VID input internal pull-up

27

k

Ω

resistor to V5

Power Good Section

Under voltage lower trip point

Vout ramping down

0.89Vs

0.90Vs

0.91Vs

V

Under voltage upper trip point

Vout ramping up

0.92Vs

V

UV Hysterises

.015Vs

.02Vs

.025Vs

V

Over voltage upper trip point

Vout ramping up

1.09Vs

1.10Vs

1.11Vs

V

Over voltage lower trip point

Vout ramping down

1.08Vs

V

OV Hysterises

.015Vs

.02Vs

.025Vs

V

Power Good Output LO

RL=3mA

0.4

V

Power Good Output HI

RL=5K pull up to 5V

4.8

V

Soft Start Section

Soft Start Current

CS+ =0V , CS- =5V

10

uA