MP3313 datasheet(11/26 Pages) MPS

部件名	MP3313

功能描述	3-Channel, Max 38V Output, Linear/Exponential, Analog Dimming, Step-Up WLED Driver with I2C

PDF	26 Pages

Scroll/Zoom	100%

制造商	MPS [Monolithic Power Systems]

网页	http://www.monolithicpower.com

标志

11 / 26 page

MP3313 – 3-CHANNEL, LINEAR/EXPONENTIAL DIMMING, WLED DRIVER W/ I2C

MP3313 Rev1.0

www.MonolithicPower.com

8/2/2017

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

PIN FUNCTIONS

Pin #

Name

I/O

Description

LED1

Current sink for LED1.

LSB of I2C interface address select. If A0 is floating, it must be pulled up or

down externally. If A0 is pulled low, the I2C address LSB is 0. If A0 is pulled

high, the I2C address LSB is 1.

GND

Ground.

LED2

Current sink for LED2.

SDA

I/O

I2C interface data signal input.

Drain connection of the internal low-side MOSFET for boost converter.

LED3

Current sink for LED3.

SCL

I2C interface clock signal input.

OUT

Boost converter output connection.

PWM

PWM dimming input signal. Apply a 50Hz to 50kHz PWM pulse to the PWM

pin for analog dimming.

IC enable input. Drive EN to logic high to enable the IC. Drive EN to logic low

longer than 2.5ms to shut down the IC.

VIN

Power supply input with 2.7V to 5.5V. Connect a ceramic capacitor close to

VIN to bypass the IC.

MP3313 数据表(PDF) 11 Page - Monolithic Power Systems

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