MP2637 datasheet(5/36 Pages) MPS

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MP2637 –2.5A SINGLE CELL SW MODE BATTERY CHARGER WITH PPM AND 2.4A BOOST

MP2637 Rev. 1.04

www.MonolithicPower.com

8/3/2017

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

ABSOLUTE MAXIMUM RATINGS

(1)

VIN .................................................

–0.3V to 20V

SYS...............................................

–0.3V to 6.5V

…………….. .................................................

–0.3V (-2V for <20ns) to 6.5V (8.5V for <20ns)

BATT.............................................

–0.3V to 6.5V

ACOK

-----------------

, CHG

-------------

, BOOST

---------------------

...................

–0.3V to 6.5V

All Other Pins ................................

–0.3V to 6.5V

Junction Temperature ...............................150°C

Lead Temperature ....................................260°C

Continuous Power Dissipation (TA = +25°C)

(2)

........................................................... 2.97W

Junction Temperature ...............................150°C

Storage Temperature..............

–65°C to +150°C

Recommended Operating Conditions

(3)

Supply Voltage VVIN............................4.5V to 6V

Battery Voltage VBATT ....................2.5V to 4.35V

Operating Junction Temp. (TJ).−40°C to +125°C

Thermal Resistance

(4)

θJA

θJC

QFN-24 (4mm×4mm) ............. 42 ........9 ... °C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The maximum allowable power dissipation is a function of the

maximum junction temperature TJ (MAX), the junction-to-

ambient the

rmal resistance θ

JA, and the ambient temperature

TA. The maximum allowable continuous power dissipation at

any ambient temperature is calculated by PD (MAX) = (TJ

(MAX)-TA)/θJA. Exceeding the maximum allowable power

dissipation will cause excessive die temperature, and the

regulator will go into thermal shutdown. Internal thermal

shutdown circuitry protects the device from permanent

damage.

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

operating conditions.

4) Measured on JESD51-7, 4-layer PCB.

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