LP5526TL datasheet(3/33 Pages) NSC

3 / 33 page

Pin Descriptions

Pin #

Name

Type

Description

Output

Boost Converter Power Switch

Input

Boost Converter Feedback

RLED

Output

Red LED Output (Current Sink / Open Drain Switch)

GLED

Output

Green LED Output (Current Sink / Open Drain Switch)

BLED

Output

Blue LED Output (Current Sink / Open Drain Switch)

GND_SW

Ground

Power Switch Ground

NRST

Input

External Reset, Active Low

SCL

Logic Input

Clock Input for I

2C Compatible Interface

IRGB

Input

External RGB LED Maximum Current Set Resistor

GND_RGB

Ground

Ground for RGB LED Currents

VDD2

Power

Supply Voltage 3.0...5.5 V

VDDIO

Power

Supply Voltage for Digital Input/Output Buffers and Drivers

SDA

Logic Input/Output

Data Input/Output for I

2C Compatible Interface

GPIO[2]

Logic Input/Output

General Purpose Logic Input/Output

GPIO[0] / PWM

Logic Input/Output

General Purpose Logic Input/Output / External PWM Input

GND_WLED

Ground

Ground for White LED Currents (MAIN and SUB Outputs)

GNDT

Ground

VDD1

Power

Supply Voltage 3.0...5.5 V

VREF

Output

Reference Voltage (1.23V)

GPIO[1]

Logic Input/Output

General Purpose Logic Input/Output

MAIN

Output

MAIN Display White LED Current Output (Current Sink)

SUB

Output

SUB Display White LED Current Output (Current Sink)

VDDA

Output

Internal LDO Output (2.80V)

GND

Ground

Ground for Core Circuitry

IRT

Input

Oscillator Frequency Set Resistor

Package Mark

20179796

Ordering Information

Order Number

Package Marking

Supplied As

Spec/Flow

LP5526TL

5526

TNR 250

NoPb

LP5526TLX

5526

TNR 3000

NoPb

LP5526TL 데이터시트(PDF) 3 Page - National Semiconductor (TI)

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