MP2631 Rev.0.9

www.MonolithicPower.com

2

9/15/2008

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2008 MPS. All Rights Reserved.

PACKAGE REFERENCE

TOP VIEW

IN

SS/NC

ACOK

CHG

GND

1

2

3

4

5

LDO

BATT

ISET

NC

SHDN

10

9

8

7

6

EXPOSED PAD

ON BACKSIDE

Part Number*

Package

Temperature

MP2631DQ

QFN10

(3mm x 3mm)

°C to +85°C

For RoHS compliant packaging, add suffix –LF

(eg. MP2631DQ–LF–Z)

IN 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

Input Quiescent Current

950

µA

Battery Voltage Regulation

4.16

4.20

4.24

V

LDO OUT

Iout = 0 - 10mA, Vin = 5.0 – 6.5 V

4.85

5.0

5.15

V

Min LDO Output Voltage

I=2mA, Vin=5.0V

4.85

V

LDO Load Regulation

Load < 10mA

0.005

V/mA

LDO Short Current Limit

80

mA

OVP Threshold

Input rising

6.7

7.0

7.3

V

Constant Current

Regulation

475

530

585

mA

Constant Current Variation

87

100

113

(4)

Trickle Current

5

10

15

(4)

Trickle Threshold Voltage

2.45

2.6

2.75

V

Trickle Voltage Hysteresis

100

mV

IBF Threshold

In CV mode

5

10

15

OVP Threshold

OVP

Vin rising

6.7

7

7.3

V

OVP Hysteresis

400

mV

UVLO

Vin rising

1.6

2.1

2.5

V