AP3422 datasheet(3/11 Pages) BCDSEMI

Part #	AP3422

Description	Dual 1.1MHz, 800mA Synchronous DC-DC Buck Converter

PDF	11 Pages

Scroll/Zoom	100%

Manufacturer	BCDSEMI [BCD Semiconductor Manufacturing Limited]

Direct Link	http://www.bcdsemi.com

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3 / 11 page

Preliminary Datasheet

Dual 1.1MHz, 800mA Synchronous DC-DC Buck Converter

AP3422

Sep. 2011 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

Functional Block Diagram

Shutdown

Control

Slope

Compensation

Oscillator

VREF with

Soft-start

PWM

Comparator

Control

Logic

Current Limit

Detector

Current

Sense

Driver

Over

Temperature

Detector

Error

Amplifier

0.6V

EN1, EN2

VIN1, VIN2

SW1,

SW2

GND1, GND2

FB1,

FB2

1, 6

8, 3

2, 7

10,5

9, 4

Figure 3. Functional Block Diagram of AP3422 (Diagram represents

½ of the AP3422)

Ordering Information

AP3422

Circuit Type

Package

DN: DFN-3×3-10

Package

Temperature

Range

Part Number

Marking ID

Packing Type

DFN-3×3-10

-40 to 85 ºC

AP3422DNTR-G1

BDC

Tape & Reel

BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS

compliant and green.

G1: Green

TR: Tape & Reel

AP3422 Datasheet(PDF) 3 Page - BCD Semiconductor Manufacturing Limited

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