Preliminary Datasheet

380kHz, 2A Asynchronous DC-DC Buck Converter

AP3202

Mar. 2011 Rev. 1. 2

BCD Semiconductor Manufacturing Limited

3

TR: Tape & Reel

Blank: Tube

Functional Block Diagram

S

R

Q

Q

Internal Bias

And Regulator

Oscillator

90k/380k

2

1

5V

M1

0.22

BS

IN

Current

Sense

Amplifier

CLK

SLOP

COMP

7

5

4

3

M2

10

SW

GND

Error

Amplifier

6

COMP

FB

1.222

0.6

Short

Protection

Comparator

EN

Shutdown

Comparator

0.5/1.5V

1.8V

8

NC

PWM

Comparator

INTERNAL

PULL

HIGH

Figure 3. Functional Block Diagram of AP3202

Ordering Information

AP3202

-

Circuit Type

Package

M: SOIC-8

Package

Temperature

Range

Part Number

Marking ID

Packing Type

AP3202M-G1

3202M-G1

Tube

SOIC-8

-40 to 85

°C

AP3202MTR-G1

3202M-G1

Tape & Reel

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

and green.

G1: Green