Data Sheet

1.1MHz, 650mA SYNCHRONOUS DC-DC BUCK CONVERTER

AP3406

Oct. 2009 Rev. 1. 4

BCD Semiconductor Manufacturing Limited

3

Functional Block Diagram

Figure 3. Functional Block Diagram of AP3406

Ordering Information

AP3406

-

G1: Green

Circuit Type

Package

KT: TSOT-23-5

K: SOT-23-5

ADJ: Adjustable Voltage

Part Number

Marking ID

Package

Temperature

Range

Green

Green

Packing

Type

TSOT-23-5

-40 to 85

°C

AP3406KT-ADJTRG1

L1B

Tape & Reel

SOT-23-5

-40 to 85

°C

AP3406K-ADJTRG1

FBC

Tape & Reel

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

and green.

TR: Tape & Reel

Shutdown

Control

Slope

Compensation

Oscillator

V

Soft Start

PWM

Comparator

Control

Logic

Current Limit

Detector

Current

Sense

Driver

Over

Temperature

Detector

Error

Amplifier

0.6V

EN

VIN

SW

GND

FB

1

2

3

4

5