AP1511 데이터 시트보기 (PDF) - Diodes Incorporated.
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AP1511 Datasheet PDF : 7 Pages
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Not Recommended
for New Designs
AP1511
PWM CONTROL 5A STEP-DOWN CONVERTER
Typical Application Circuit
VIN
CIN
680uF
ROCSET
3K
2.2
COCSET
C
0.1uF
CVcc
0.1uF
REN
20K
CEN
0.1uF
PVcc
OUTPUT
Vcc
FB
AP1511
OCSET
VC
EN
VSS
L1 15uH
CC
Optional
D1
RA
6.8K
VOUT
COUT
470uF
C
RB 0.1uF
1.3K
VOUT
L1 Value
Note: VOUT = VREF x (1+RA/RB)
RB=1K~10K ohm
VIN = 12V, IMAX = 5A
2.5V
3.3V
10uH
12uH
5V
15uH
Typical Performance Characteristics
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0.0
Efficiency (Vin = +5V)
Vout:3.3V
2.0
4.0
6.0
Iout (A)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0.0
Efficiency (Vin = +12V)
2.0
4.0
Iout (A)
Vout:3.3V
Vout:5.0V
6.0
AP1511 Rev. 1
5 of 7
www.diodes.com
NOVEMBER 2007
© Diodes Incorporated
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