AP1503 Ver la hoja de datos (PDF) - Anachip Corporation
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Fabricante
AP1503 Datasheet PDF : 5 Pages
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300Khz, 2.5A PWM Buck DC/DC Converter
AP1503
Electrical Characteristics (Continued)
AP1503-3.3V
Symbol Parameter
Conditions
Typ.
VOUT
η
Output voltage
7V < VIN < 24V
0.2A < ILOAD < 2.5A
3.3
Efficiency VIN = 12V, ILOAD=2A 79
Limit
3.23/3.2
3.37/3.4
Specifications with boldface type are for full operating temperature range, the other type are for TJ=25ºC.
Typical Application Circuit
Unit
V
VMIN
VMAX
%
7V
DC Input
Cin
Capacitor
FB
VB
4
2
1 AP1503 7 VO
Vin
-33
3
5
6
SD COMP GND
CB
D2
Schottky Diode
L1 Inductor
D1
Schottky Diode
3.3V/2.5A
Output Load
Co
Capacitor
CC
Anachip Corp.
www.anachip.com.tw
Rev.A3 Mar. 11, 2004
4/5
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