MP4688DN datasheet(2/11 Pages) MPS

2 / 11 page

MP4688 – 80V INPUT, 1A HIGH POWER LED DRIVER

MP4688 Rev. 1.12

www.MonolithicPower.com

3/28/2012

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

ORDERING INFORMATION

Part Number*

Package

Top Marking

Free Air Temperature (TA)

MP4688DN

SOIC8E

MP4688DN

–40

°C to +85°C

MP4688DS

SOIC8

MP4688DS

–40

°C to +85°C

* For Tape & Reel, add suffix –Z (e.g. MP4688DN–Z);

For RoHS compliant packaging, add suffix –LF (e.g. MP4688DN–LF–Z)

* For Tape & Reel, add suffix –Z (e.g. MP4688DS–Z);

For RoHS compliant packaging, add suffix –LF (e.g. MP4688DS–LF–Z)

PACKAGE REFERENCE

N/C

VIN

BST

GND

DIM

TOP VIEW

SOIC8E

SOIC8

ABSOLUTE MAXIMUM RATINGS (1)

Supply Voltage (VIN).....................–0.3V to +80V

Switch Voltage (VSW)............ –0.5V to VIN + 0.5V

BST to SW .....................................–0.3V to +6V

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

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

°C

Continuous Power Dissipation (TA = +25°C)

(2)

SOIC8E (Exposed Pad)............................. 2.5W

SOIC8 ........................................................ 1.3W

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

°C

Storage Temperature.............. –65°C to +150

°C

Recommended Operating Conditions

(3)

Supply Voltage VIN ...........................4.5V to 75V

EN and DIM Voltages ...........................0V to 5V

Operating Junct. Temp. .......... –40

°C to +125°C

Thermal Resistance

(4)

θJA

θJC

SOIC8E (Exposed Pad) ..........50 ...... 10 ...

°C/W

SOIC8 ....................................96 ...... 45 ...

°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 board.

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