LTC3230

PRODUCTION

5-LED Main/Sub Display Driver with Dual LDO

Data Sheet Product Selection Table

Part Models: 2
1ku List Price: Starting From $2.39

Viewing:

Overview

Low Noise Charge Pump Provides High Efficiency with Automatic Mode Switching
Multimode Operation: 1x, 1.5x, 2x
Full-Scale Current Set Resistor
Up to 125mA Total LED Current
Single Wire Enable/Brightness Control for Main and Sub Display LEDs
32:1 Linear LED Brightness Control
Dual 200mA Linear Regulators
Four 25mA Low Dropout Main LED Current Sources
One 25mA Low Dropout Sub LED Current Source
Low Noise Constant Frequency Operation
Low Shutdown Current: 3µA
Internal Soft-Start Limits Inrush Current During Start-Up and Mode Switching
Open/Short LED Protection
No Inductors
20-Lead 3mm x 3mm QFN Package

Part Models: 2
1ku List Price: Starting From $2.39

Documentation

Data Sheet 1

LTC3230: 5-LED Main/Sub Display Driver with Dual LDO Data Sheet 01/18/2008

User Guide 1

DC1217A - Demo Manual 09/24/2009

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC3230EUD#PBF	20-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys
LTC3230EUD#TRPBF	20-Lead QFN (3mm x 3mm x 0.75mm w/ EP)	Material Declaration Reliability Report Package Resources	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Level Translators & Buffers 1
LTC4311	PRODUCTION	Low Voltage I²C/SMBus Accelerator
Temperature Sensors 1
LTC2991	RECOMMENDED FOR NEW DESIGNS	Octal I²C Voltage, Current, and Temperature Monitor

Tools & Simulations

LTspice

Models for the following parts are available in LTspice:

LTC3230

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.