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ACT4533 데이터시트(PDF) 11 Page - Active-Semi, Inc

부품명 ACT4533
상세설명  Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
PDF  16 Pages
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제조업체  ACTIVE-SEMI [Active-Semi, Inc]
홈페이지  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4533 데이터시트(HTML) 11 Page - Active-Semi, Inc

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ACT4533
Rev 1, 25-Feb-13
Innovative Power
TM
- 11 -
www.active-semi.com
Copyright © 2013 Active-Semi, Inc.
TYPICAL PERFORMANCE CHARACTERISTICS
(L = 47µH, CIN = 10µF, COUT = 47µF, Ta = 25°C, RCOMP = 2.2k, CCOMP1 = 4.7nF, CCOMP2 = 47pF)
Load Current (mA)
0
500
1000
1500
2000
2500
95
90
85
80
75
70
Efficiency vs. Load current
2260
2220
2200
2180
2160
2140
2120
2240
Temperature (°C)
-40
-20
0
20
40
60
80
100
120
140
CC Current vs. Temperature
CC Current vs. Input Voltage
2600
2500
2400
2300
2200
2100
Input Voltage (V)
8
12
16
20
24
28
36
32
Maximum Peak Current vs. Duty Cycle
5
4.5
4
3.5
3
2.5
Duty Cycle
20
30
40
50
60
70
80
90
VIN = 12V
VIN = 24V
Input Voltage (V)
7
12
17
22
27
37
32
Switching Frequency vs. Input Voltage
150
130
110
90
70
50
Switching Frequency vs. Feedback Voltage
150
100
50
0
Feedback Voltage (mV)
0
100
200
300
400
500
600
700
800
900
VOUT = 5V
VIN = 18V
VOUT = 4V
VOUT = 3V
VIN = 24V
VIN = 18V
VIN = 12V



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