AP1534 Datasheet, PDF (5/8 Pages) Diodes Incorporated – PWM CONTROL 2A STEP-DOWN CONVERTER

AP1534
PWM CONTROL 2A STEP-DOWN CONVERTER
Typical Performance Characteristics
V_IN vs Frequency
326
(V_OUT=3.3V, I_OUT=0.2A)
324
322
320
318
316
314
312
310
308
306
0 2 4 6 8 10 12 14 16 18
V_IN (V)
3.0%
Line Regulation
(V_OUT=3.3V, I_OUT=0.2A)
2.0%
1.0%
0.0%
-1.0%
-2.0%
-3.0%
0 2 4 6 8 10 12 14 16 18
V_IN (V)
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
I_OUT (A)
V_IN vs V_FB
0.820
(V_OUT=3.3V, I_OUT=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
V_IN (V)
Load Regulation
1.0%
0.8%
0.6%
0.4%
0.2%
0.0%
-0.2%
-0.4%
-0.6%
-0.8%
-1.0%
(V_IN=5V, V_OUT=3.3V)
0.0
0.5
I_O¹_UT^.0(A)
1.5
2.0
AP1534 Rev. 2
5 of 8
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DECEMBER 2007
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