PS222S データシートの表示（PDF） - Unspecified

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PS222S

3-Channel Secondary Monitoring IC With Over-Current Protection And an Additional 12V OCP Channel

Unspecified 

Block Diagram

PS222S

Vcc / VSx

VS12

VS5

VS33

ISX

IS12

IS5

IS33

155KΩ

VCCI

12 UV

9KΩ Vref

VCCI

12 OV

16KΩ Vref

58KΩ

VCCI

5 UV

13.5KΩ Vref

18.5KΩ Vref

VCCI

5 OV

38.5KΩ

VCCI

3.3 UV

23.5KΩ Vref

28KΩ Vref

VCCI

3.3 OV

Step Down

to near 2.5V

Iref X 8

Step Down

to near 2.5V

Iref X 8

Step Down

to near 2.5V

Iref X 8

Step Down

to near 2.5V

Iref X 8

VCCI

Vcc OC

VCCI

12 OC

VCCI

5 OC

VCCI

3.3 OC

73uS

De-bounce

38mS

De-bounce

SQ

R

delay

1MΩ

FPO/

H : 4mS

L : 4.5uS

VCCI

1.25V

VCC

30KΩ

2KΩ

PSON/

4.5V

90KΩ

delay

H : 75mS

L : 4.5uS

1

0

R

QS

73uS

De-bounce

delay

H : 300mS

L : 4.5uS

VCCI

1.13V

VCCI

0.63V

VCCI

1.25V

PGI

VCCI

1MΩ

PGO

delay

H : 20mS

L : 4.5uS

Power On

Reset

Internal

Power

POR

VCCI = 4V

Constant Current

Source Iref

RI

Band-Gap

Reference

Vref

1.25V

Clock

Generator

CLK

GND

3-Channel Secondary Monitoring IC

Version：A.003

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