Datasheet > MP2487

MP2487

更新时间： 2024-04-09 19:02:29

品牌	Logo	应用领域
芯源 - MPS		驱动驱动器
页数	文件大小	规格书
13页	493K
描述
55V, 1A LED驱动器

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MP2487 数据手册

MP2487

55V, 1A

High Power LED Driver

NOT RECOMMENDED FOR NEW DESIGNS, REFER TO MP2488

DESCRIPTION

FEATURES

The MP2487 is a fixed frequency step-down

switching regulator to deliver a constant current

of up to 1A to high power LEDs. It integrates a

high-side, high voltage power MOSFET with a

current limit of 1.5A. The wide 4.5V to 55V input

range accommodates a variety of step-down

applications, making it ideal for automotive,

industry and general lighting applications. Peak

current mode control and 200mV reference are

applied for fast loop response, easy

compensation and accurate LED current

regulation. The switching frequency is

programmable with an external resistor up to

•

Wide 4.5V to 55V Operating Input Range

220mΩ Internal Power MOSFET

Up to 200kHz Programmable Switching

Frequency

130μA Quiescent Current

Ceramic Capacitor Stable

Internal Soft-Start

Up to 97.5% Efficiency

200mV Reference Voltage for High

Efficiency

•

Available in a SOIC8E Package

APPLICATIONS

200kHz,

which

can

prevent

EMI

•

High Power LED Driver

Automotive, and General Lighting

Constant Source

(Electromagnetic Interference) noise problems.

The thermal shut down provides reliable, fault

tolerant operations. A 12µA quiescent current in

shutdown mode allows its use in battery-

powered applications.

For MPS green status, please visit MPS website under Quality Assurance.

“MPS” and “The Future of Analog IC Technology” are Registered Trademarks of

Monolithic Power Systems, Inc.

The MP2487 is available in a SOIC8E package.

TYPICAL APPLICATION

MP2487 Rev. 1.0

9/22/2011

Preliminary Specifications Subject to Change

www.MonolithicPower.com

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

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