ACT4523(2011) Ver la hoja de datos (PDF) - Active-Semi, Inc
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ACT4523 Datasheet PDF : 15 Pages
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Active-Semi
TYPICAL PERFORMANCE CHARACTERISTICS
(L = 33µH, CIN = 10µF, COUT = 47µF, Ta = 25°C, RCOMP = 8.2k, CCOMP1 = 2.2nF, CCOMP2 = NC)
ACT4523
Rev 4, 21-Jul-11
100
95
90
85
80
75
70
65
60
200
Efficiency vs. Load current
VIN = 12V
VIN = 24V
VOUT = 5V
600
1000
1400 1800 2200
Load Current (mA)
Switching Frequency vs. Feedback Voltage
260
210
160
110
60
10
0 100 200 300 400 500 600 700 800 900
Feedback Voltage (mV)
Switching Frequency vs. Input Voltage
250
230
210
190
170
150
130
110
10
15
20
25
30
35
40
Input Voltage (V)
2700
2600
2500
2400
2300
2200
2100
2000 25
CC Current vs. Temperature
45
65
85
105
125
145
Temperature (°C)
CC Current vs. Input Voltage
2600
2400
2200
2000
1800
1600
10
14
18
22
26
30
34
38
Input Voltage (V)
Maximum Peak Current vs. Duty Cycle
4.2
4.05
3.9
3.75
3.6
3.45
3.3
3.15
3
20
30
40
50
Duty Cycle
60
70
Innovative PowerTM
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