AP3306

Document number: DS42803 Rev. 6 - 2

2 of 13

www.diodes.com

May 2022

© Diodes Incorporated

AP3306

Typical Applications Circuit

CY1

U1

DRISR

VCC

GND

VDD

AREF

VDET

1

6

3

4

5

2

APR340

AC

R1

R9

R8

T1

F1

GND

GDL

CS

VCCH

AP3306

NTC1

R4

BD1

L1

R2

R3

HV

FB

DEM

CX1

VCCL

GDH

GND

OCDRV

VCC

V5V

PWR_EN

VBUS

VFB

IFB

OTP

ISENP

CC1

CC2

Vo

GND

CON1

CC1

AP43771V

CC2

DP

DN

2

7

4

3

1

10

5

6

8

D+

D-

2

7

4

3

1

9

5

6

8

13

12

11

10

14

R6

R7

Q1

Q2

Q3

Q4

R11

R12

R13

R14

R15

CE1

CE2

CE3

C1

C2

C3

C6

C7

C8

C9

C10

C11

C12

RT1

U2

U3

U4

D1

D2

D3

D4

C4

Figure 1. Typical Application Circuit of AP3306 for PD3.0 PPS Charger

Pin Descriptions

Pin Name

Pin Number

Function

VCCH

1

Wide range input supply voltage to produce VCC

FB

2

Feedback. Directly connected to the opto-coupler

DEM

3

Peak and valley detection for ZVS control, sample output voltage for SOVP and SUVP,

set OCP line compensation current.

VCCL

4

Supply voltage of driver and control circuits

GDH

5

Gate driver output to drive high side P MOSFET

GDL

6

Gate driver output to drive low side N MOSFET

GND

7

Signal ground. Current return for driver and control circuits

CS

8

Current sense

NC

9

Not connected

HV

10

High voltage input. Sense line voltage and provide startup current to VCC