Datasheet > MP3309A

MP3309A

更新时间： 2024-11-22 17:01:11

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	399K
描述
2.7-5.5Vin，1.8A同步升压WLED驱动器，用于超过10个LCD面板背光

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MP3309A 数据手册

MP3309A

2.7V-5.5V Input, 35V Output,

Programmable Fsw, White LED Driver

The Future of Analog IC Technology

FEATURES

DESCRIPTION

•

2.7V-to-5.5V Input Voltage

Low 200mV Feedback Voltage with ±1%

Accuracy

The MP3309A is a WLED step-up converter for

2.7V-to-5.5V input that uses peak-current mode

to regulate the LED current sensed through an

external low-side resistor. The 200mV feedback

voltage and synchronous rectification reduces

power loss and reduces PCB space

requirements. To connect an external Schottky

accomplishes the non-synchronous mode for

heavy load to improve the thermal performance.

•

Synchronous Mode

Analog and PWM Dimming

Programmable Switching Frequency

35.5V Over Voltage Protection Point

Hardware-Enable Function

UVLO, Thermal Shutdown

Available in 3x3mm QFN10 Package

The MP3309A features

programmable

switching frequency to optimize efficiency. It

supports both analog and PWM dimming.

APPLICATIONS

•

Feature Phones and Smart Phones

Tablets

Video Displays

In addition, the MP3309A has LED open

protection,

cycle-by-cycle

current

limit

protection, thermal shutdown protection and

over-voltage protection. MP3309A is available

in QFN10 3*3mm package.

All MPS parts are lead-free and adhere to the RoHS directive. For MPS green

status, please visit MPS website under Products, Quality Assurance page.

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

Monolithic Power Systems, Inc.

TYPICAL APPLICATION

MP3309A Rev. 1.11

1/15/2016

www.MonolithicPower.com

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

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