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ACT8342 데이터시트(PDF) 10 Page - Active-Semi, Inc

부품명 ACT8342
상세설명  Three Channel Integrated Power Management IC for Handheld Portable Equipment
PDF  17 Pages
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제조업체  ACTIVE-SEMI [Active-Semi, Inc]
홈페이지  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8342 데이터시트(HTML) 10 Page - Active-Semi, Inc

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ACT8342
Rev 3, 11-Sep-09
STEP-DOWN DC/DC CONVERTER
Innovative PowerTM
- 10 -
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
ActivePMUTM is a trademark of Active-Semi.
TYPICAL PERFORMANCE CHARACTERISTICS
(ACT8342QKCQI, VVP1 = 3.6V, L = 3.3µH, CVP1 = 2.2μF, COUT1 = 10μF, TA = 25°C, unless otherwise specified.)
REG1 Transient Peak Inductor Current
650
VP1 Voltage (V)
5.5
3.5
4.0
4.5
5.0
630
610
590
570
3.0
550
REG1 MOSFET Resistance
VP1 Voltage (V)
600
0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
500
400
300
200
100
REG1 Load Regulation
0.2
0
400
Output Current (mA)
50
100
150
200
250
300
350
0.0
-0.2
-0.4
-0.6
-0.8
PMOS
NMOS
3.6V
4.2V
-1.0
REG1 Efficiency vs. Load Current
50
1000
Output Current (mA)
95
80
70
60
1
10
100
VOUT1 = 1.2V
VIN = 4.2V
85
75
65
55
90
VIN = 3.6V
OUT1 Regulation Voltage
0.67
-0.67
Temperature (°C)
-20
-40
0
20
40
60
0.44
0.22
0.00
-0.22
-0.44
IOUT1 = 35mA
85
-0.11
-0.33
-0.56
0.11
0.33
0.56



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