ACT4088US-T(2007) データシートの表示（PDF） - Active-Semi, Inc
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ACT4088US-T Datasheet PDF : 11 Pages
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ACT4088
Rev PrA, 24-Jul-07
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
95
VIN = 12V
85
VIN = 18V
75
VIN = 24V
65
Efficiency vs. Load Current
95
VIN = 12V
85
75
VIN = 18V
VIN = 24V
65
55
50
0.1
1
Load Current (A)
VOUT = 5V
10
55
50
0.1
1
Load Current (A)
VOUT = 3.3V
10
FB Voltage vs. Temperature
820
816
812
808
804
800
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
Oscillator Frequency vs. Temperature
1.60
1.50
1.40
1.30
1.20
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
Peak Current Limit vs. Duty Cycle
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
20
40
60
80
100
Duty Cycle
Shutdown Current vs. Input Voltage
30
25
20
15
Supply Current
10
5
EN Pull-up Current
0
0
4
8
12
16
20
24
28
Input Voltage (V)
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