WHITE LED STEP-UP CONVERTER
Functional Block Diagram
Preliminary Datasheet
AP3019
FB
3
SOFT
START
VIN
6 VREF
1.25 V
200 mV
A1
A2
SW
1
5
DRIVER
R
Q
S
OVP
Q1
VOUT
COMPARATOR
CTRL 4
Σ
RAMP
GENERATOR
2 GND
1.0 MHz
OSCILLATOR
Figure 3. Functional Block Diagram of AP3019
Ordering Information
AP3019
-
Circuit Type
Package
K: SOT-23-6
E1: Lead Free
TR: Tape and Reel
Package
SOT-23-6
Temperature Range
-40 to 85oC
Part Number
AP3019KTR-E1
Marking ID
E9S
Packing Type
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant.
Apr. 2007 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
3