ACT4082A
Active- Semi
Rev0, 16-May-08
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 2, VIN = 12V, L = 4.7µH, C1 = 10µF, C2 = 22µF, TA = +25°C, unless otherwise specified.)
Efficiency vs. Load Current
Efficiency vs. Load Current
95
85
95
85
VIN = 12V
VIN = 12V
VIN = 16V
75
65
75
65
VIN = 16V
55
50
55
50
VOUT = 3.3V
VOUT = 5V
0.1
1
10
0.1
1
10
120
20
Load Current (A)
Load Current (A)
FB Voltage vs. Temperature
Oscillator Frequency vs. Temperature
820
816
812
808
804
1.60
1.50
1.40
1.30
1.20
800
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
Temperature (°C)
Temperature (°C)
Peak Current Limit vs. Duty Cycle
Shutdown Current vs. Input Voltage
30
25
3.0
2.5
2.0
1.5
20
15
10
5
1.0
0.5
0.0
EN Pull-up Current
0
0
20
40
60
80
100
0
4
8
12
16
Duty Cycle
Input Voltage (V)
Innovative PowerTM
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