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MP3313 데이터시트(PDF) 11 Page - Monolithic Power Systems

부품명 MP3313
상세설명  3-Channel, Max 38V Output, Linear/Exponential, Analog Dimming, Step-Up WLED Driver with I2C
PDF  26 Pages
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제조업체  MPS [Monolithic Power Systems]
홈페이지  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP3313 데이터시트(HTML) 11 Page - Monolithic Power Systems

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MP3313 – 3-CHANNEL, LINEAR/EXPONENTIAL DIMMING, WLED DRIVER W/ I2C
MP3313 Rev1.0
www.MonolithicPower.com
11
8/2/2017
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2017 MPS. All Rights Reserved.
PIN FUNCTIONS
Pin #
Name
I/O
Description
A1
LED1
I
Current sink for LED1.
A2
A0
I
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.
A3
GND
I
Ground.
B1
LED2
I
Current sink for LED2.
B2
SDA
I/O
I2C interface data signal input.
B3
SW
I
Drain connection of the internal low-side MOSFET for boost converter.
C1
LED3
I
Current sink for LED3.
C2
SCL
I
I2C interface clock signal input.
C3
OUT
O
Boost converter output connection.
D1
PWM
I
PWM dimming input signal. Apply a 50Hz to 50kHz PWM pulse to the PWM
pin for analog dimming.
D2
EN
I
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.
D3
VIN
I
Power supply input with 2.7V to 5.5V. Connect a ceramic capacitor close to
VIN to bypass the IC.



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