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AP5004 Datasheet(PDF) 2 Page - Diodes Incorporated

Part # AP5004
Description  PWM CONTROL 2.5A STEP-DOWN CONVERTER
PDF  11 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

AP5004 Datasheet(HTML) 2 Page - Diodes Incorporated

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AP5004
PWM CONTROL 2.5A STEP-DOWN CONVERTER
AP5004
Document number: DS31444 Rev. 5 - 2
2 of 11
www.diodes.com
August 2010
© Diodes Incorporated
Typical Application Circuit
Vboost
GND
VCC
AP5004
GND
VCC
Output
FB
EN
5
6
VIN
C3
0.1uF
1
C2
220uF/63V
8
3
4
2
7
D1
B340
R1
685ohm
L1-(WURTH 744132)
33uH
C5
0.1uF
C1
100pF
VOUT = 5V
R5
100K
C6
0.1uF
U1
C7 0.1uF
1
2
R2
130ohm
C4
470uF/16V
Note: V
OUT = VFB
x (1+R1/R2)
R
B
= 100 ~ 300 ohm
Notes:
2. Suggested DIODES Power Schottky P/N: PDS540 or B540C.
Pin Descriptions
Pin Name
Pin #
Description
EN
1
H: Normal operation
L: Step-down operation stopped
FB
2
Feedback pin
Vboost
3
High-side gate driver boost pin
Output
4
Switch output pin
VCC
5、6
VCC
GND
7、8
GND pin



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