MP2608- 28V, 1A DUAL INPUT LINEAR BATTERY CHARGER WITH TIMER

MP2608 Rev. 0.9

www.MonolithicPower.com

3

8/29/2008

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© 2008 MPS. All Rights Reserved.

Parameter

Symbol Condition

Min

Typ

Max

Units

the BATT pin

130

mV

Pass Device Drop-out

Voltage

BATT pin

152

mV

Trickle Current

5

10

15

(4)

IBF Accuracy

-20

+20

%IBF

Trickle Threshold Voltage

2.5

2.6

2.7

V

Trickle Voltage Hysteresis

100

mV

SHDN Trip High Threshold

2.0

V

SHDN Trip Low Threshold

0.4

V

SHDN Pull-down Resistor

500

kΩ

FAULT

,

Current

Pin Voltage = 0.4V

4

mA

Battery Reverse Current to

BATT Pin

SHDN = High and Input = Floating

or 0V

1

µA

Thermal Shutdown

Threshold

105

120

135

°C

Thermal Shutdown

Hysteresis

10

°C

Recharge Threshold

Recharge Voltage

Threshold

4.0

V

Oscillator

Oscillator Period

4.8

6.0

7.2

ms

TIMEOUT Period

2

15

Notes: