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Pin Assignments
AP5004
PWM CONTROL 2.5A STEP-DOWN CONVERTER
Pin Descriptions
(Top View )
EN 1
FB 2
Vboost 3
Output 4
AP5004
8 GND
7 GND
6 Vcc
5 Vcc
SOP-8L
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
Block Diagram
Output
Vcc
Driver
VL
Vboost
Oscillation
Circuit
Reference Voltage
PWM - Switched
Control Circuit
+
-
FB
Thermal
Shutdown
EN
VEN
GND
AP5004 Rev. 3
2 of 10
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JUNE 2008
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