AP1580 Ver la hoja de datos (PDF) - Diodes Incorporated.
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AP1580 Datasheet PDF : 9 Pages
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NOT RECOMMENDED FOR NEW
DESIGN, USE AP5004
AP1580
PWM CONTROL 3A STEP-DOWN CONVERTER
Pin Assignments
(Top View )
EN 1
FB 2
Vboost 3
Output 4
AP1580
SOP-8L
8 GND
7 GND
6 Vcc
5 Vcc
Block Diagram
Pin Descriptions
Pin
Name
EN
FB
Vboost
Output
Vcc
GND
Pin # Description
1
2
3
4
5、6
7、8
H: Normal operation
L: Step-down operation stopped
Feedback pin
High-side gate driver boost pin
Switch output pin
Signal Vcc
GND pin
Output
Vcc
Driver
VL
Vboost
Oscillation
Circuit
Reference Voltage
PWM - Switched
Control Circuit
+
-
FB
Thermal
Shutdown
EN
VEN
GND
AP1580 Rev. 2
2 of 9
www.diodes.com
JULY 2008
© Diodes Incorporated
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