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ACT4303 Datasheet(PDF) 11 Page - Active-Semi, Inc

No. de pieza ACT4303
Descripción Electrónicos  30V/3A Sensorless CC/CV Step-Down DC/DC Converter
PDF  15 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrónico  ACTIVE-SEMI [Active-Semi, Inc]
Página de inicio  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT4303 Datasheet(HTML) 11 Page - Active-Semi, Inc

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ACT4303
Rev 0, 05-Dec-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
2700
2500
2400
2300
2200
2100
2000
2600
Temperature (°C)
25
45
65
85
105
125
145
CC Current vs. Temperature
CC Current vs. Input Voltage
2600
2400
2200
2000
1800
1600
Input Voltage (V)
10
14
18
22
26
30
Maximum Peak Current vs. Duty Cycle
4.2
3.6
3.45
3.3
3.15
3
4.05
3.9
3.75
Duty Cycle
20
30
40
50
60
70
VIN = 12V
VIN = 24V
Input Voltage (V)
10
15
20
25
30
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
VOUT = 5V



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