Document Number: 73868

S11-0975–Rev. C, 16-May-11

www.vishay.com

5

Vishay Siliconix

SiP11203, SiP11204

This document is subject to change without notice.

FUNCTIONAL BLOCK DIAGRAM

PIN DESCRIPTION

Pin Number

Name

Function

1

INB

Logic input for output driver B

2

Input supply voltage

3

PGND

Power ground

4

INA

Logic input for output driver A

5

OUTA

Driver output A

6

GND

Analog ground (connect GND to the exposed pad of the IC package)

7

Sets output rising edge delay

8

5 V supply voltage for internal circuitry

9

Error amplifier output

10

EA-

Error amplifier inverting input

11

EA+

Error amplifier non inverting input

12

Input pin for over voltage detection

13

1.225 V reference voltage for converter output voltage regulating setting

14

15

Resistor value sets currents for power down detection timer and for power down discharge of outputs

16

OUTB

Driver output B

Figure 1.

5 V

Pre-regulator