AP1515 데이터 시트보기 (PDF) - Anachip Corporation
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AP1515 Datasheet PDF : 9 Pages
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150KHz, 1.5A PWM Buck DC/DC Converter
AP1515
Typical Application Circuit
(1) Fixed Type Circuit
12V
DC Input
Cin
Capacitor
1
Vin
FB
3
AP1515
-33
2
4
GND
Output
L1
56uH
Inductor
D1
Schottky
Diode
3.3V/1.5A
Output Load
Co
Capacitor
Cin
Capacitor
FB
1
Vin
3
AP1515
-33
Output
2
4 5 6 78
SD Gnd GndGnd Gnd
L1
47uH
Inductor
D1
Schottky Diode
3.3V/1.5A
Output Load
Co
Capacitor
(2) Adjustable Type Circuit
R2
12V
DC Input
1
Vin
Cin
Capacitor
FB
3
AP1515 2
4
GND
Output
R1
L1
47uH
Inductor
D1
Schottky
Diode
Vout = VFB × (1 + R1 )
R2
VFB = 1.23V
R2 = 1K ~ 3K
2.5V/1.5A
Output Load
Co
Capacitor
Anachip Corp.
www.anachip.com.tw
Rev.1.1 Oct 24, 2005
4/9
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