Data Sheet

3

May 2009 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

WHITE LED STEP-UP CONVERTER

AP3031A

Q1

Σ

A2

A1

1MHz

OSCILLATOR

RAMP

GENERATOR

DRIVER

1.25 V

COMPARATOR

200 mV

SOFT

START

V

IN

CTRL

FB

GND

SW

STANDBY

OV

To Control

Logic

CONTROL

LOGIC

OVER

TEMPERATURE

DETECTOR

OV

Functional Block Diagram

Figure 3. Functional Block Diagram of AP3031A

Circuit Type

Package

K: SOT-23-6

AP3031A

-

TR: Tape and Reel

Ordering Information

Package

Temperature

Range

Part Number

Marking ID

Packing Type

SOT-23-6

AP3031AKTR-G1

GDH

Tape & Reel

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

G1: Green

1

2

3

4

5

6