ACT4501SH-T データシートの表示（PDF） - Active-Semi, Inc
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ACT4501SH-T Datasheet PDF : 16 Pages
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ACT4501
Rev 2, 14-Nov-12
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 7, IISET = 1A, L = 82µH, CIN = 10µF, COUT = 22µF, TA = 25°C, unless otherwise specified.)
100
90
80
70
60
50
40
1
Efficiency vs. Load Current
VIN = 12V
VIN = 16V
VIN = 24V
VOUT = 5V
10
100
1000
10000
Load Current (mA)
Switching Frequency vs. Feedback Voltage
140
120
100
80
60
40
20
0
0
0.2
0.4
0.6
0.8
1
Feedback Voltage (V)
Switching Frequency vs. Input Voltage
130
125
120
115
110
105
5
100
10
15
20
25
30
35
Input Voltage (V)
CC Current vs. Temperature
1000
VIN = 12V
900 RISET = 33kΩ
800
700
600
500
400
-40
-25
0
25
50
75
80
Temperature (°C)
CC Current vs. Input Voltage
1000
RISET = 33kΩ
900
800
700
600
500
400
10
12
18
24
30
Input Voltage (V)
2500
2250
2000
1750
1500
1250
1000
750
500
250
0
0
Peak Current Limit vs. Duty Cycle
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Duty Cycle
Innovative PowerTM
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