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MP2631 датащи(PDF) 4 Page - Monolithic Power Systems

номер детали MP2631
подробное описание детали  28V, 1A, Li-lon, Linear Battery Charger with 10mA High Voltage LDO
PDF  9 Pages
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производитель  MPS [Monolithic Power Systems]
домашняя страница  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP2631 датащи(HTML) 4 Page - Monolithic Power Systems

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MP2631–28V, 1A LINEAR LI-ION BATTERY CHARGER WITH 10MA HIGH VOLTAGE LDO
MP2631 Rev.0.9
www.MonolithicPower.com
4
9/15/2008
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CHARACTERISTICS
C1=4.7uF, C2=0.1uF, C4=2.2uF, VIN=5V, TA=25ºC, unless otherwise noted.
4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0
V
IN (V)
Charge Current vs
Input Voltage
1200
1000
800
600
400
200
0
1200
1000
800
600
400
200
0
2.7
3.0
3.3
3.6
3.9
4.2
Charge Current vs
Battery Voltage
1200
1000
800
600
400
200
0
0
1.0
2.0
3.0
4.0
5.0
VBAT (V)
VBAT (V)
Charge Current vs
Battery Voltage
ISET (mA)
1/RSET vs.
ISET
CHARGE TIME (Min)
Battery Charge Curve
VBAT=4V
VBAT=4.1V
0
100
200
300
400
500
600
700
800
900
0
20
40
60
80 100 120 140
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
VBAT
ICHG
ICHG=1A
ICHG=0.8A
ICHG=0.5A
ICHG=0.2A
Thermal Protection
ICHG=1A
ICHG=0.8A
ICHG=0.5A
ICHG=0.2A
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
200 300 400 500 600 700 800 900 1000
VBAT=3.8V
LDO Voltage Dropout
Trickle Charge Curve
VBAT (V)
LDO Load Regulation
0
20
40
60
80
100
120
0
0.5
1.0
1.5
2.0
2.5
ICHG=100mA
ICHG=80mA
ICHG=50mA
ICHG=20mA
0
5
10
15
20
25
30
35
40
45
50
02468
10
LOAD CURRENT (mA)
LOAD CURRENT (mA)
4.80
4.85
4.90
4.95
5.00
5.05
5.10
02468
10
VIN=5V



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