WHITE LED STEP-UP CONVERTER
Functional Block Diagram
Preliminary Datasheet
AP3033
CTRL 4
FB
3
FB REF
A1
R
C
200mV REF
STANDBY
VREF
1.25V
SOFT
START
A2
OVP
CONTROL
LOGIC
SW
1
DRIVER
5
Q1
COMPARATOR
OVER
TEMPERATURE
DETECTOR
Σ
2
RAMP
GENERATOR
OV
GND
6
VIN
1 MHz
OSCILLATOR
Figure 3. Functional Block Diagram of AP3033
Ordering Information
AP3033
-
Circuit Type
Package
KT: TSOT-23-6
G1: Green
TR: Tape and Reel
Package
TSOT-23-6
Temperature Range
-40 to 85oC
Part Number
AP3033KTTR-G1
Marking ID
L8G
Packing Type
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant and green.
Jan. 2010 Rev. 1. 0
BCD Semiconductor Manufacturing Limited
3