MP8675DN datasheet(2/11 Pages) MPS

2 / 11 page

MP8675 – 6A, 42V, 420KHZ STEP-DOWN WITH SYNCHRONIZABLE GATE DRIVER

MP8675 Rev.1.2

www.MonolithicPower.com

1/26/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ORDERING INFORMATION

Part Number*

Package

Top Marking

Free Air Temperature (TA)

MP8675DN

SOIC8E

MP8675DN

–40

°C to +85°C

* For Tape & Reel, add suffix –Z (e.g. MP8675DN–Z).

For RoHS Compliant packaging, add suffix –LF (e.g. MP8675DN–LF–Z)

PACKAGE REFERENCE

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage VIN ....................................... 45V

VSW...................... –0.3V (–5V for < 10ns) to 46V

VBST – VSW ...................................................... 6V

All 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)

Supply Voltage VIN ...........................4.5V to 42V

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

Thermal Resistance

(4)

θJA

θJC

SOIC8E...................................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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