AP5724 Datasheet, PDF (3/16 Pages) Diodes Incorporated – WHITE LED STEP-UP CONVERTER

Block Diagram
AP5724
WHITE LED STEP-UP CONVERTER
FB 3
VIN 6
A1
-+
V_REF
0.1V
EN 4
Enable
OVP
5
Comparator
A2
CONTROL
Rc
LOGIC
OTP
Cc
Σ
RAMP
Generator
1.2MHz
Oscillator
1 SW
Driver
Q1
2 GND
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
V_IN
VIN Pin Voltage
VSW
SW Voltage
-0.3~7
V
-0.3~34
V
V_OVP
V_FB
EN
T_J(MAX)
T_LEAD
T_ST
OVP Pin Voltage
Feedback Pin Voltage
EN
Maximum Junction Temperature
Lead Temperature
Storage Temperature Range
-0.3~35
V
-0.3~7
V
-0.3~7
V
150
o_C
300
o_C
-65 to +150
o_C
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.
AP5724 Rev. 1
3 of 16
www.diodes.com
JUNE 2009
© Diodes Incorporated