PS231S

5-Channel Secondary Monitoring IC

Version

：A.002

Page 4

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Pin Descriptions

Pin No

PIN NAME

Descriptions

1

PGI

Power good input signal pin

2

GND

Ground

3

FPO/

Inverted fault protection output ,open drain output stage

4

PSON/

Remote ON/OFF control input pin

5

IS12A

12V(1) over current protection input pin

6

RI

Current sense setting

7

IS12B

12V(2) over current protection input pin

8

VS12B

12V(2) over/under voltage protection input pin

9

VS12C

12V(3) over/under voltage protection input pin

10

IS12C

12V(3) over current protection input pin

11

Pext

External protection detect input pin

12

IS5

5.0V over current protection input pin

13

IS33

3.3V over current protection input pin

14

VS12A

12V(1) over/under voltage protection input pin

15

VS33

3.3V over/under voltage protection input pin

16

VS5

5.0V over/under voltage protection input pin

17

VCC

Power supply

18

PGO

Power good output signal pin , open drain output stage

Absolute Maximum Ratings

Parameter

Rating

Unit

Storage Temperature

-40 to

+125

°C

Operating Temperature

-30 to

+90

°C

Supply Voltage

VCC

-0.5 to

+16.0

V

VS12(A,B,C), IS12(A,B,C)

-0.5 to

+16.0

V

VS5, IS5

-0.5 to

+9.0

V

VS33, IS33

-0.5 to

+7.0

V

PGI

-0.5 to

+16.0

V

Input Voltage Range

PSON/, Pext

-0.5 to

Vcc+0.5

V

FPO/

-0.5 to

+16.0

V

Output Voltage Range

PGO

-0.5 to

Vcc+0.5

V

Output Current for RI

RI

12.5 to

62.5

uA