AP1533 データシートの表示（PDF） - Diodes Incorporated.
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AP1533 Datasheet PDF : 9 Pages
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AP1533
PWM CONTROL 1.8A STEP-DOWN CONVERTER
Typical Performance Characteristics (Continued)
VIN vs. Frequency
(VOUT=3.3V; IOUT=0.2A)
320
318
316
314
312
310
308
306
304
302
300
0 2 4 6 8 10 12 14 16 18 20 22 24
VIN (V)
Line Regulation
3.40
(VOUT=3.3V; IOUT=0.2A)
3.35
3.30
3.25
3.20
3.15
3.10
3.05
3.00
0 2 4 6 8 10 12 14 16 18 20 22 24
VIN (V)
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
0
Efficiency
VOUT=3.3V
VOUT=5V
0.5
1
1.5
2
IOUT (A)
0.820
VIN vs. VFB
(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 20 22 24
VIN (V)
Load Regulation
3.25
(VIN=12V)
3.24
3.23
3.22
3.21
3.20
3.19
3.18
3.17
3.16
3.15
0
0.5
1
1.5
2
IOUT (A)
AP1533 Rev. 4
DS31192
5 of 9
www.diodes.com
JULY 2009
© Diodes Incorporated
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