MP2372DN datasheet(2/13 Pages) MPS

2 / 13 page

MP2372 – 3A, 28V, 925KHZ STEP-DOWN CONVERTER

MP2372 Rev. 0.92

www.MonolithicPower.com

12/22/2009

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ORDERING INFORMATION

Part Number*

Package

Top Marking

Free Air Temperature (TA)

MP2372DN

SOIC8N

MP2372DN

–40

°C to +85°C

* For Tape & Reel, add suffix –Z (eg. MP2372DN–Z).

For RoHS compliant packaging, add suffix –LF (eg. MP2372DN–LF–Z)

PACKAGE REFERENCE

GND

COMP

TOP VIEW

EXPOSED PAD

CONNECT TO PIN 4

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage VIN .......................–0.3V to +30V

Switch Voltage VSW .....-1V (-5V for 10ns) to 31V

Boost Voltage VBS ................................ VSW + 6V

All Other Pins.................................–0.3V to +6V

Continuous Power Dissipation

(TA = +25°C)

(2)

…………………………………………………2.5W

Junction Temperature...............................150

°C

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

°C

Storage Temperature ............. –65

°C to +150°C

Recommended Operating Conditions

(3)

Input Voltage VIN ..............................4.5V to 28V

Operating Junct. Temp (TJ)..... –40°C to +125°C

Thermal Resistance

(4)

θJA

θJC

SOIC8N...................................50 ...... 10 ...

°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 thermal resistance θJA, 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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