ap1521wa Diodes, Inc., ap1521wa Datasheet - Page 2

• Manufacturer Part Number: ap1521wa
• Description: White Led Step-up Converter
• Manufacturer: Diodes, Inc.

White LED Step-Up Converter
Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical
damage. These values must therefore not be exceeded under any condition.
Anachip Corp.
www.anachip.com.tw
SHDN
Symbol
V
T
T
T
Block Diagram
FB
V
Absolute Maximum Ratings
V
V
V
SHDN
LEAD
T
OPR
STG
IN
SW
FB
IN
J
3
5
4
Not Recommended for New Design
VIN Pin Voltage
SW Voltage
Feedback Pin Voltage
SHDN Pin Voltage
Maximum Junction Temperature
Lead Temperature
Operating Temperature Range
Storage Temperature Range
1.25V
V
REF
Shutdown
-
A1
+
310mV
Parameter
R
C
C
C
Generator
Oscillator
RAMP
1MHz
Σ
2/8
A2
Comparator
R
S
Q
-40 to +125
-40 to +85
Rating
125
300
10
36
10
10
Driver
Rev. 0.1 Apr. 27, 2004
AP1521
1
2 GND
Q1
SW
Unit
o
o
o
o
V
V
V
V
C
C
C
C