MP26058 datasheet(5/10 Pages) MPS

5 / 10 page

MP26058-28V, 1A LI + LINEAR BATTERY CHARGER WITH TIMER AND LDO MODE

MP26058 Rev. 0.91

www.MonolithicPower.com

1/25/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

TYPICAL PERFORMANCE CHARACTERISTICS

CIN=4.7µF, COUT=2.2µF, VIN=5V, TA=25ºC, unless otherwise noted.

200

400

600

800

1000

1200

23456

VCE (V)

Thermal Protection

(VCE=VIN-VBAT)

200

0.1

0.2

0.3

0.4

0.5

0.6

400

600

800

1000

ISET (mA)

RCHG Resistance vs.

ICHG

CHARGE CURRENT (mA)

Constant Voltage Charge

INPUT VOLTAGE (V)

Constant Current Charge

vs. Input Voltage

VBAT=3.8V

100

200

300

400

500

600

700

800

900

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

4.5

120 150 180

4.0

4.5

200

400

600

800

1000

1200

5.0

5.5

6.0

6.5

7.0

1.0

200

400

600

800

1000

1.8

2.6

3.4

4.2

5.0

4.17

4.18

4.20

4.22

4.21

4.19

200

400

600

800

1000

TIME (MIN)

BATTERY VOLTAGE (V)

Battery Charge Curve

Charge Current vs.

Battery Voltage

VBAT

ICHG

VSTATUS

Thermal Prot ect ion

ICHG=0.8A

ICHG=0.5A

ICHG=0.2A

ICHG=0.5A

ICHG=0.8A

ICHG=0.2A

ICHG=0.5A ICHG=0.8A

ICHG=1A

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