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ACT4513 数据表(PDF) 11 Page - Active-Semi, Inc

部件名 ACT4513
功能描述  Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
PDF  15 Pages
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制造商  ACTIVE-SEMI [Active-Semi, Inc]
网页  http://www.active-semi.com
标志 ACTIVE-SEMI - Active-Semi, Inc

ACT4513 数据表(HTML) 11 Page - Active-Semi, Inc

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ACT4513
Rev 6, 29-Jul-11
Active-Semi
Innovative Power
TM
- 11 -
www.active-semi.com
Copyright © 2011 Active-Semi, Inc.
TYPICAL PERFORMANCE CHARACTERISTICS
(L = 33µH, CIN = 10µF, COUT = 47µF, Ta = 25°C, RCOMP = 8.2k, CCOMP1 = 2.2nF, CCOMP2 = NC)
Load Current (mA)
200
600
1000
1400
1800
2200
100
85
80
75
70
65
60
95
90
Efficiency vs. Load current
2200
2000
1900
1800
1700
1600
1500
2100
Temperature (°C)
0
20
40
60
80
100
120
CC Current vs. Temperature
CC Current vs. Input Voltage
1900
1800
1700
1600
1500
1400
Input Voltage (V)
10
14
18
22
26
34
30
Maximum Peak Current vs. Duty Cycle
3.8
3.4
3.3
3.2
3.1
3
3.7
3.6
3.5
Duty Cycle
20
30
40
50
60
70
VIN = 12V
VIN = 24V
Input Voltage (V)
10
15
20
25
30
35
Switching Frequency vs. Input Voltage
250
230
210
190
170
150
130
110
Switching Frequency vs. Feedback Voltage
260
210
160
110
60
10
Feedback Voltage (mV)
0
100
200
300
400
500
600
700
800
900
VIN = 12V
VIN = 24V
VOUT = 5V



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