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MP26053 Datasheet(PDF) 5 Page - Monolithic Power Systems

Part # MP26053
Description  28V, 1A Li-Ion/Li-Polymer Battery Charger With 10% Battery-Full Threshold, Trickle Charge and Timer
PDF  11 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP26053 Datasheet(HTML) 5 Page - Monolithic Power Systems

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MP26053 – 28V, 1A LINEAR BATTERY CHARGER WITH TRICKLE CHARGE AND TIMER
MP26053 Rev. 0.9
www.MonolithicPower.com
5
8/25/2008
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
© 2008 MPS. All Rights Reserved.
TYPICAL PERFORMANCE CURVES
CIN = 4.7µF, COUT = 2.2µF, CSS = 0.1µF, VIN = 5V, TA = +25°C, unless otherwise noted.
4.3 4.4 4.5 4.6 4.7 4.8 4.9 5.0
VIN (V)
ICHG 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
0.6
0.5
0.4
0.3
0.2
0.1
0
0
200
400
600
800
1000
ISET (mA)
1/RSET vs.
ISET
0
32
64
96
128
160
TIME (Min)
Battery Charge Curve
I
CHG=0.8A
I
CHG=0.5A
I
CHG=0.2A
I
CHG=1A
I
CHG=0.8A
I
CHG=0.5A
I
CHG=0.2A
I
CHG=1A
VBAT=4V
VBAT=4.1V
VIN
5V/div.
VSD
2V/div.
VBAT
2V/div.
ICHG
0.5A/div.
VIN
5V/div.
VSD
2V/div.
VBAT
2V/div.
ICHG
0.5A/div.
VIN
5V/div.
VCHG
2V/div.
VBAT
2V/div.
ICHG
0.5A/div.
4ms/div.
4ms/div.
40ms/div.
Shut Down Low
VIN = 5V, ISET Resistor = 2.26K
Shut Down High
VIN = 5V, ISET Resistor = 2.26K
VBAT = 3.8V
Power Ramp Up vs.
Battery Charge
VIN = 5V, ISET Resistor = 2.3K
VBAT
VSTAT
ICHG
600
500
400
300
200
100
0
4.50
3.75
3.00
2.25
1.50
0.75
0



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