WHITE LED STEP-UP CONVERTER

AP3019

Preliminary Datasheet

3

Apr. 2007 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

Functional Block Diagram

Figure 3. Functional Block Diagram of AP3019

GND

FB

SW

Package

Temperature Range

Part Number

Marking ID

Packing Type

SOT-23-6

AP3019KTR-E1

E9S

Tape & Reel

BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.

Circuit Type

Package

K: SOT-23-6

E1: Lead Free

AP3019

-

TR: Tape and Reel

Ordering Information

CTRL

Q1

Σ

A2

A1

R

S

Q

1.0 MHz

OSCILLATOR

RAMP

GENERATOR

V

REF

3

6

4

2

5

DRIVER

1.25 V

COMPARATOR

OVP

200 mV

1

SOFT

START