AP1603WA Просмотр технического описания (PDF) - Anachip Corporation
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AP1603WA Datasheet PDF : 8 Pages
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Step-Up DC/DC Converter
Block Diagram
AP1603
SHDN
Minimum
Off-Time
One-Shot
Q TRIG
One-Shot
Maximum
On-Time
One-Shot
S
F/F
R
Q
TRIG Q
One-Shot
Error
Amplifier
Current-Limit
Amplifier
Zero
Crossing
EN Amplifier
OUT 0.1uF
P
LX
22uH
N GND
47uF
VIN
47uF
FB
FB
REF
0.1uF
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VCC Supply Voltage (OUT to GND)
-0.3 to 5.5
V
VREF REF to GND
-0.3 to VOUT+0.3
V
VSW Switch Voltage (LX to GND)
-0.3 to VOUT+0.3
V
IOUT Output Current (OUT)
-0.8 to 0.2
A
ISW Switch Current (LX)
-0.8 to 0.2
A
TST Storage Temperature Range
-65 to +150
oC
TOT Operation Temperature Range
-40 to +80
oC
Anachip Corp.
www.anachip.com.tw
Rev.1.0 Jun. 3, 2004
2/8
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