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.)
Efficiency vs. Load Current
Switching Frequency vs. Input Voltage
100
90
80
70
60
50
40
130
125
120
115
110
105
100
VIN = 12V
VIN = 16V
VIN = 24V
VOUT = 5V
1000 10000
5
10
15
20
25
30
35
1
10
100
Input Voltage (V)
Load Current (mA)
CC Current vs. Temperature
Switching Frequency vs. Feedback Voltage
140
1000
900
800
700
600
500
400
VIN = 12V
RISET = 33kꢀ
120
100
80
60
40
20
0
-40
-25
0
25
50
75
80
0
0.2
0.4
0.6
0.8
1
Temperature (°C)
Feedback Voltage (V)
CC Current vs. Input Voltage
Peak Current Limit vs. Duty Cycle
2500
2250
2000
1750
1500
1250
1000
750
1000
900
800
700
600
500
400
RISET = 33kꢀ
500
250
0
10
12
18
24
30
0
0.1
0.2 0.3 0.4
0.5 0.6
0.7 0.8 0.9
Input Voltage (V)
Duty Cycle
Innovative PowerTM
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