ACT4514
Active- Semi
Rev 1, 21-Jul-11
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 7, IISET = 0.9A, L = 82µH, CIN = 10µF, COUT = 22µF, TA = 25°C, unless otherwise specified.)
Efficiency vs. Load Current
Switching Frequency vs. Input Voltage
240
220
200
180
160
140
120
100
100
90
80
70
60
50
40
VIN = 10V
VIN = 12V
VIN = 24V
VOUT = 5V
10000
10
12
18
24
30
32
10
100
1000
Input Voltage (V)
Load Current (mA)
CC Current vs. Temperature
Switching Frequency vs. Feedback Voltage
1000
900
800
700
600
500
400
250
VIN = 12V
RISET = 33kꢀ
200
150
100
50
0
-40
-25
0
25
50
75
80
0
100 200 300 400 500 600 700 800 900
Temperature (°C)
Feedback Voltage (mV)
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
32
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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