AP1501A Ver la hoja de datos (PDF) - Diodes Incorporated.
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AP1501A Datasheet PDF : 14 Pages
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AP1501A
150KHz, 5A PWM BUCK DC/DC CONVERTER
Typical Application Circuit (Continued)
(2) Adjustable Type Circuit
R2
R1
12V
DC Input
Cin
Capacitor
FB
4
Output
1 AP1501A 2
Vin
5
3
SD
Gnd
L1
22uH
D1
Schottky Diode
5V/ 5A
Output Load
Co
Capacitor
Vout = VFB × (1 + R1 )
R2
VFB = 1.23V
R2 = 1K ~ 3K
(3) Delay Start Circuit
R2
R1
12V
DC Input
Cin
Capacitor
FB
4
Output
1 AP1501A 2
Vin
CDELAY 5
0.1uF SD
3
Gnd
RDELAY
10K
L1
22uH
D1
Schottky Diode
5V/ 5A
Output Load
Co
Capacitor
AP1501A Rev. 10
DS31191
2 of 14
www.diodes.com
SEPTEMBER 2009
© Diodes Incorporated
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