MP26058 datasheet(3/10 Pages) MPS

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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.

ELECTRICAL CHARACTERISTICS (continued)

VIN = 5V, VSHDN =0V, TA = +25°C, unless otherwise noted.

Parameter

Symbol Condition

Min

Typ

Max

Units

SHDN Trip Threshold High

2.6

SHDN Trip Threshold Low

0.4

CHG , ACOK Sink

Current

Pin Voltage = 0.2V

Battery Reverse Current to

BATT Pin

SHDN = Low and Input = Floating

or 0V

µA

Dropout Voltage

VIN-

VBATT

VBATT = 3.8V, RCHG = 6kΩ. Current

drop 10%

0.25

Soft Thermal Shutdown

Threshold

105

120

135

°C

Soft Thermal Shutdown

Hysteresis

°C

Internal Soft-Start Time

From 10% to 90% of full current

µs

R_NTC at 0°C

TH11-

4H104F

Note: R_NTC is 100k at 25°C

376.6

kΩ

R_NTC at 50°C

TH11-

4H104F

Note: R_NTC is 100k at 25°C

32.3

kΩ

Oscillation Freq

CTMR = 2.2uF

TMR Pin Source Current

ITMR1

VTMR=0.1V

µA

TMR Pin Sink Current

ITMR2

VTMR=1.5V

µA

Notes:

4) ICHG is the target preprogrammed charge current (Die temperature below 110°C).

5) IBF is the target preprogrammed battery full current threshold.

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