AP1534 查看數據表（PDF） - Diodes Incorporated.
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AP1534 Datasheet PDF : 10 Pages
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AP1534
PWM CONTROL 2A STEP-DOWN CONVERTER
Typical Performance Characteristics
VIN vs Frequency
326
(VOUT=3.3V, IOUT=0.2A)
324
322
320
318
316
314
312
310
308
306
0 2 4 6 8 10 12 14 16 18
VIN (V)
VIN vs VFB
0.820
(VOUT=3.3V, IOUT=0.2A)
0.815
0.810
0.805
0.800
0.795
0.790
0.785
0.780
0 2 4 6 8 10 12 14 16 18
VIN (V)
Line Regulation
Load Regulation
3.0%
2.0%
1.0%
0.0%
-1.0%
-2.0%
-3.0%
(VOUT=3.3V, IOUT=0.2A)
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
-0.2%
-0.4%
-0.6%
-0.8%
-1.0%
(VIN=5V, VOUT=3.3V)
0 2 4 6 8 10 12 14 16 18
VIN (V)
0.0
0.5
IO1UT.0(A)
1.5
2.0
100
90
80
70
60
50
40
30
20
10
0
0.0
Efficiency
VOUT=3.3V
VOUT=5V
0.5
1.0
1.5
2.0
IOUT (A)
AP1534 Rev. 5
5 of 10
www.diodes.com
FEBRUARY 2009
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