Document Number: 74481

S-80971-Rev. B, 24-Apr-08

www.vishay.com

3

Vishay Siliconix

SiP4612A/B

PIN CONFIGURATION, ORDERING INFORMATION

XX = Lot Code

W = Work week Code

FUNCTIONAL BLOCK DIAGRAM

ORDERING INFORMATION

Parameter

Marking

Temperature Range

Package

SiP4612ADVP-T1-E3

M1WXX

- 40 °C to 85 °C

PowerPAK TSC75-6

SiP4612BDVP-T1-E3

M2WXX

- 40 °C to 85 °C

PowerPAK TSC75-6

PIN DESCRIPTION

Pin Number

Name

Function

1

OUT

Switch output

2

GND

Ground pin

3

SET

Current limit level set pin. The level is determinied by the value of a resistor connected from this pin to GND

4ON/ON

Shutdown pin. ON/ON, active low on the SiP4612A to turn on the switch, active high to turn off SiP4612A

Active high on the SiP4612B to turn on the switch, active low to turn off SiP4612B

5

NC

No connection

6

IN

Input supply voltage and switch input

OUT

GND

SET

Top View

IN

NC

ON/ON

TSC75-6 Package

IN

NC

ON/ON

Bottom View

OUT

GND

SET

Figure 1. SiP4612A/B Block Diagram

IN

ON/ON

OUT

GND

+

-

Thermal

Shutdown

Reference

Voltage

SET

nW/L

W/L

Under

Voltage

Lockout

+

-