AP2146/AP2156

0.5A DUAL CHANNEL CURRENT-LIMITED POWER

SWITCH

AP2146/AP2156 Rev 1

3 of 17

APRIL 2009

www.diodes.com

Pin Name

Pin Number

Descriptions

EN1

1

Switch 1 enable input, active low (AP2146) or active high (AP2156)

FLG1

2

Switch 1 over-current and over-temperature fault report, open-drain

FLG2

3

Switch 2 over-current and over-temperature fault report, open-drain

EN2

4

Switch 2 enable input, active low (AP2146) or active high (AP2156)

OUT2

5

Switch 2 voltage output pin

GND

6

Ground

IN

7

Voltage input pin

OUT1

8

Switch 1 voltage output pin

Functional Block Diagram

Re v e rs e

block ing

Th e rm a l

Se n s e

Dr iv e r

FL G 2

OU T 2

GN D

IN

EN 2

UV L O

Cu r re n t

Lim it

CS

D e g litc h

Re v e r s e

bloc king

Th e rm a l

Se n s e

Dr iv e r

UV L O

Cu r re n t

Lim it

CS

D e g litc h

OU T 1

FLG 1

EN 1

GN D

Pin Descriptions