MP8670DN datasheet(3/15 Pages) MPS

3 / 15 page

MP8670 – 6A, 30V, 420KHZ STEP-DOWN WITH SYNCHRONIZABLE GATE DRIVER

MP8670 Rev. 1.3

www.MonolithicPower.com

4/4/2011

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

ORDERING INFORMATION

Part Number*

Package

Top Marking

Free Air Temperature

(TA)

MP8670DN

SOIC8E

MP8670DN

–40

°C to +85°C

* For Tape & Reel, add suffix –Z (eg. MP8670DN–Z). For RoHS Compliant Packaging, add suffix –LF (eg.

MP8670DN–LF–Z)

PACKAGE REFERENCE

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage VIN ....................................... 32V

VSW...................... –0.3V (–5V for < 10ns) to 33V

VBST – VSW ................................................... 6.5V

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 30V

Operating Junction Temperature–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

calculated

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.

BST

VCC

EN/SYNC

GND

TOP VIEW

EXPOSED PAD

ON BACKSIDE

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