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ACT8796 Arkusz danych(PDF) 21 Page - Active-Semi, Inc

Numer części ACT8796
Szczegółowy opis  Six Channel Integrated Power Management IC for Handheld Portable Equipment
PDF  34 Pages
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Producent  ACTIVE-SEMI [Active-Semi, Inc]
Strona internetowa  http://www.active-semi.com
Logo ACTIVE-SEMI - Active-Semi, Inc

ACT8796 Arkusz danych(HTML) 21 Page - Active-Semi, Inc

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STEP-DOWN DC/DC CONVERTERS
ACT8796
Rev 2, 16-Nov-09
Innovative PowerTM
- 21 -
www.active-semi.com
Copyright © 2009 Active-Semi, Inc.
ActivePMUTM is a trademark of Active-Semi.
I2CTM is a trademark of Philips Electronics.
Active-Semi
VP2 Voltage (V)
5.5
0
REG2 MOSFET Resistance
500
400
300
200
100
5.0
4.5
4.0
3.5
3
PMOS
NMOS
TYPICAL PERFORMANCE CHARACTERISTICS
OUT2 Regulation Voltage
0.545
Temperature (°C)
-20
0
20
40
60
0.363
0.181
0.000
-0.181
-0.363
85
IOUT2 = 35mA
VP1 Voltage (V)
5.5
0
REG1 MOSFET Resistance
500
400
300
200
100
5.0
4.5
4.0
3.5
3
PMOS
NMOS
OUT1 Regulation Voltage
0.545
Temperature (°C)
-20
0
20
40
60
0.363
0.181
0.000
-0.181
-0.363
85
IOUT1 = 35mA
-0.545
-0.545
-40
-40
(ACT8796QLCIA, VVP1 = VVP2 = VVP3 = 3.6V, L = 3.3µH, CVP1 = CVP2 = CVP3 = 2.2μF, COUT1 = COUT2 = COUT3 = 10μF, TA = 25°C, unless
otherwise specified.)
REG1 Efficiency vs. Load Current
95
50
1000
Load Current (mA)
90
80
70
60
1
10
100
VOUT1 = 1.2V
3.6V
4.2V
85
75
65
55
REG2 Efficiency vs. Load Current
100
50
1000
Load Current (mA)
90
80
70
60
1
10
100
3.6V
VOUT2 = 2.8V
4.2V



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