MP2487 datasheet(2/13 Pages) MPS

2 / 13 page

MP2487 – 55V, 1A, HIGH-POWER LEDS DRIVER

MP2487 Rev. 1.0

www.MonolithicPower.com

9/22/2011

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

ORDERING INFORMATION

Part Number*

Package

Top Marking

Free Air Temperature (TA)

MP2487DN

SOIC8E

MP2487DN

–40

°C to +85°C

For Tape & Reel, add suffix –Z (e.g.MP2487DN–Z);

For RoHS compliant packaging, add suffix –LF (e.g.MP2487DN–LF–Z).

PACKAGE REFERENCE

COMP

BST

VIN

FREQ

GND

TOP VIEW

EXPOSED PAD

ABSOLUTE MAXIMUM RATINGS

(1)

Supply Voltage (VIN).....................–0.3V to +60V

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

BST to SW .....................................–0.3V to +5V

All Other Pins.................................–0.3V to +5V

Continuous Power Dissipation

(TA=+25°C )

(2)

SOIC8E...................................................... 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 55V

Maximum Junction Temp. (TJ) ................+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 board.

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