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