LP3931 datasheet(3/17 Pages) NSC

Numer części	LP3931

Szczegółowy opis	Dual RGB LED Driver with High Current Boost DC-DC Converter

PDF	17 Pages

Scroll/Zoom	100%

Producent	NSC [National Semiconductor (TI)]

Strona internetowa	http://www.national.com

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3 / 17 page

Pin Description

Pin #

Name

Type

Description

Output

Open Drain, Green LED2

Output

Open Drain, Red LED2

GND_RGB

Ground

RGB Driver Ground

Output

Open Drain, Red LED1

Output

Open Drain, Green LED1

Output

Open Drain, Blue LED1

GND_BOOST

Ground

Power Switch Ground

Output

Open Drain, Boost Converter Power Switch

DD2

Power

Supply Voltage for Internal Digital Circuits

GND2

Ground

Input

Boost Converter Feedback

REF

Output

Internal Reference Bypass Capacitor

Logic Output

SPI Serial Data Out

Logic Input

SPI Serial Data Input

Logic Input

SPI Slave Select

SCK

Logic Input

SPI Clock

PWM_LED

Input

LED Control for On/Off or PWM Dimming

NRST

Logic Input

Low Active Reset Input

DDIO

Power

Supply Voltage for Logic IO Signals

Input

Oscillator Resistor

GND3

Ground

DD1

Power

Supply Voltage for Internal Analog Circuits

GND1

Ground

Output

Open Drain, Blue LED2

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