APR34309C

Document number: DS37492 Rev. 5 - 2

2 of 13

www.diodes.com

June 2015

© Diodes Incorporated

APR34309C

A Product Line of

Diodes Incorporated

Pin Descriptions

Pin Number

Pin Name

Function

1

DRISR

Synchronous rectification MOSFET drive.

2

VDET

Synchronous rectification sense input and dynamic function output, connected to DRAIN

through a resistor.

3

AREF

Program a voltage reference with a resistor from AREF to GND, to enable synchronous

rectification MOSFET drive signal.

4

VCC

Power supply, connected with system output.

5

DRAIN

Drain pin of internal MOSFET. The Drain voltage signal can obtain from this pin.

6,7,8

GND

Source pin of internal MOSFET, connected to Ground.

Exposed PAD

DRAIN

to this DRAIN pad.

Functional Block Diagram

Counter

Dynamic

OSC

Integrator

SRDRIVER

OVP

GND

VDET

VCC

AREF

DRISR

DRAIN

1

2

3

4

5, EP

6,7,8