AP1522 查看數據表（PDF） - Anachip Corporation
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AP1522 Datasheet PDF : 8 Pages
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Step-Up DC/DC Converter
Block Diagram
AP1522
FB 3
VIN 5
VREF
1.25V
A1
-+
SHDN 4
Shutdown
Comparator
A2
R
Q
S
Driver
1 SW
Q1
RC
CC
Σ
RAMP
Generator
1MHz
Oscillator
2 GND
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VIN
VIN Pin Voltage
VSW
SW Voltage
10
V
36
V
VFB
Feedback Pin Voltage
10
V
VSHDN SHDN Pin Voltage
10
V
TJ
Maximum Junction Temperature
125
oC
TLEAD Power Dissipation
300
oC
TOPR Operating Temperature Range
-40 to +85
oC
TSTG Storage Temperature Range
-40 to +125
oC
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 conditions.
Anachip Corp.
www.anachip.com.tw
Rev. 1.0 May. 5, 2005
2/8
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