CONNECTION DIAGRAMS

PACKAGE PIN FUNCTION

FUNCTION

PIN

N/C

1

2

N/C

3-4

COM

5

CLAMP

6

B7

A8

9

10

OUT

11

12-18

19

20

ENBL

21

NC

22

TRC

23

FRC

24

FRPLY

25

N/C

26

N/C

27

N/C

28

PLCC-28 (Top View)

QP Package

LCC-28 (Top View)

LP Package

DIL-20 (Top View)

N Package

UC1727

UC2727

UC3727

Power Inputs (|A - B|) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45V

Analog Input Voltage (ENBL, CLAMP). . . . . . . . . . . . . . . . . . -0.3 To Vcc+0.3

Output Current,

(OUT)

DC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.8A

Pulse (0.5

µs) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4A

FRPLY Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA

Note: All voltages are with respect to COM. Currents are positive into the

specified terminal.

PACKAGE PIN FUNCTION

FUNCTION

PIN

N/C

1

2

N/C

3-4

COM

5

CLAMP

6

B7

A8

9

10

OUT

11

N/C

12-13

14

N/C

15-18

19

20

ENBL

21

NC

22

TRC

23

FRC

24

FRPLY

25

N/C

26-28

ABSOLUTE MAXIMUM RATINGS

DIL-18 (Top View)

J Package

SOIC-28 (Top View)

DWP Package

2