LAB

SEME

IP1543 SERIES

Prelim. 1/96

POWER SUPPLY

SUPERVISORY CIRCUIT

FEATURES

• 4.5 to 40V operation over full temperature

range

• Reference voltage trimmed to 1% accuracy

• Includes over–voltage, under–voltage and

current sensing

• Programmable time delays

• SCR “Crowbar” drive of 300mA

• Remote activation capability

• Optional over–voltage latch capability

Input Supply Voltage

Sense Inputs

SCR Trigger Current

Indicator Output Voltage

Indicator Output Sink Current

Power Dissipation

Power Dissipation

Operating Junction Temperature

Storage Temperature Range

Lead Temperature

(soldering, 10 seconds)

40V

Internally Limited

+40V

50mA

1W

10mW/°C

2W

16mW/°C

See Ordering Information

–65 to +150°C

+300°C

TOP VIEW

J Package – 16 Pin Ceramic DIP

N Package – 16 Pin Plastic DIP

D Package – 16 Pin Plastic (300) SOIC

SCR TRIGGER

REMOTE

ACTIVATE

RESET

O.V. INDICATE

O.V. DELAY

O.V. INPUT

U.V. INPUT

U.V. DELAY

U.V. INDICATE

C.L. INV. INPUT

C.L. NON–INV. INPUT

OFFSET/COMP

C.L. OUTPUT

GND

V

V

IN

REF

1

2

3

4

5

6

7

8

16

15

14

13

12

11

10

9

Part

J–Pack

N–Pack

D–16

Temp.

Number

16 Pin

16 Pin

16 Pin

Range

IP1543

-55 to +125°C

IP3543

0 to +70°C

Order Information

Note:

To order, add the package identifier to the part number.

eg.

IP1543J

IP3543D–16