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AP1522W Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AP1522W
Description  STEP-UP DC/DC CONVERTER
PDF  10 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP1522W Datasheet(HTML) 2 Page - Diodes Incorporated

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AP1522
STEP-UP DC/DC CONVERTER
AP1522 Rev. 4 - 4
2 of 10
December 2017
www.diodes.com
© Diodes Incorporated
PART OBSOLETE
NO ALTERNATE PART
Block Diagram
1MHz
Oscillator
RAMP
Generator
Σ
-
+
V
REF
1.25V
V
IN
5
3
FB
R
C
C
C
Comparator
A2
R
S
Q
A1
1
Driver
SW
Q1
2 GND
4
SHDN
Shutdown
Pin Assignments
Pin Descriptions
Name
Description
SW
Switch Pin. Connect inductor/diode
here. Minimize trace area at this pin
to reduce EMI.
VSS
GND pin
FB
Feedback Pin. Reference voltage is
1.25V.
SHDN
Shutdown Pin. Tie to 0.6V or higher
to enable device; 0.5V or less to
disable device.
VIN
Input Supply Pin. Must be locally
bypassed.
VIN
SHDN
SW VSS
FB
Top View
SOT25



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