MP26053 – 28V, 1A LINEAR BATTERY CHARGER WITH TRICKLE CHARGE AND TIMER

MP26053 Rev. 0.9

www.MonolithicPower.com

2

8/25/2008

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2008 MPS. All Rights Reserved.

PACKAGE REFERENCE

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Part Number*

Package

Temperature

MP26053DQ

QFN10

(3mm x 3mm)

–40

°C to +85°C

For RoHS compliant packaging, add suffix –LF

(e.g. MP26053DQ–LF–Z)

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

ACOK andCHG Maximum Sink Current........20mA

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. The

exposed pad must be Soldered to a ground plane

ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

SHDN = High

40

µA

Supply Current

200

µA

Battery Voltage Regulation

4.16

4.20

4.24

V

Constant Current

Regulation

448

515

582

mA

Constant Current Variation

TJ = 0°C to +120°C,

87

100

113

(4)

End of Charge Threshold

7.5

10

12.5

(4)

Trickle Current

5

10

15

(4)

Trickle Threshold Voltage

2.45

2.6

2.75

V

Trickle Voltage Hysteresis

100

mV

Input ACOK Up Range

6.7

7

7.3

V

Input ACOK Low Range

1.5

2

2.5

V

ACOK and CHG Over-

voltage Clamp

8.2

V

Input Over Voltage

Protection

OVP

6.7

7

7.3

V

OVP Hysteresis

400

mV