AP3768

Document number: DS37715 Rev. 2 - 2

2 of 9

www.diodes.com

July 2017

© Diodes Incorporated

AP3768

Typical Applications Circuit

+

J1

AC85-

264V

C1

R1

+

C2

R12

D2

D3

C11

L1

T1

D1

C3

CN1

C7

+

R8

FB

R13

R5

R16

OUT

VCC

R6

R2

R15

CS

CPR

R7

C4

U1

CPC

BIAS

GND

L2

R11

+

C5

C6

R14

D4~D7

R3

R4

AP3768

R10

R9

Q1

5V/700mA

5V/0.7A Output for Battery Charger of Mobile Phone

Pin Descriptions

Pin Number

Pin Name

Function

1

CS

The primary current sense

2

VCC

Supply voltage

3

OUT

This pin drives the base of external power NPN switch

4

GND

Ground

5

CPC

This pin connects a capacitor for output cable compensation

6

FB

The voltage feedback from the auxiliary winding

7

CPR

Connects a resistor to FB pin for adjustable output cable compensation

8

BIAS

This pin sets the bias current inside AP3768 with an external resistor to GND