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

MP2608 Rev. 0.9

www.MonolithicPower.com

2

8/29/2008

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2008 MPS. All Rights Reserved.

PACKAGE REFERENCE

TOP VIEW

IN

USB

FAULT

SHDN

1

2

3

4

5

10

9

8

7

6

STATUS

BATT

ICHG

GND

TMR

IBF

EXPOSED PAD

ON BACKSIDE

Part Number*

Package

Temperature

MP2608DQ

QFN10

(3mm x 3mm)

–40

°C to +85°C

For RoHS compliant packaging, add suffix –LF

(eg. MP2608DQ–LF–Z)

IN, USB to GND........................... –0.3V to +28V

All Other Pins to GND................. –0.3V to +6.5V

Junction Temperature...............................140

°C

Lead Temperature ....................................260

°C

Storage Temperature ..............–65°C to +150

°C

Recommended Operating Conditions

(2)

Operating Temperature .............–40

°C to +85°C

Thermal Resistance

(3)

3x3 QFN10 ............................. 50 ...... 12...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The device is not guaranteed to function outside of its

operating conditions.

3) Measured on approximately 1” square of 1 oz copper.

ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

IN, USB Input Voltage

4.5

28

V

IN, USB Input Under-

voltage Threshold

IN Input Rising

3.75

4

4.25

V

IN, USB Input Over-

Voltage Threshold

IN Input Rising

5.8

6.0

6.2

V

SHDN= Low and BATT floating

100

Supply Current

SHDN = High and BATT floating

80

µA

Charger

4.179

4.200

4.221

4.168

4.200

4.232

Battery Voltage Regulation

4.158

4.200

4.242

V

Battery Over-Voltage

Protection

0

µA

640

708

780

mA

Constant Current

Regulation

410

450

490

mA

Constant Current Variation

87

100

113

(4)