LT3598EFE#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3598EFE#TRPBF

Manufacturer

Analog Devices

Introduction

The LT3598 is a fixed frequency, step-up DC/DC converter designed to drive up to six strings of LEDs.

Product Features and Performance

Integrated 44V, 1.5A switch

Drives up to six strings of LEDs with constant current

Wide input voltage range: 3V to 30V

Programmable switching frequency: 200kHz to 2.5MHz

True Color PWM dimming for full-color LED displays

Independent dimming and color control for each LED string

Product Advantages

High efficiency step-up architecture reduces power loss

Internal compensation minimizes external parts count

Robust thermal performance enhances reliability

Wide input voltage range enables versatile use in varied applications

Small footprint 24-TSSOP package suitable for space-constrained applications

Key Technical Parameters

Type: DC DC Regulator

Topology: Step-Up (Boost)

Internal Switch(s): Yes

Number of Outputs: 6

Voltage Supply (Min): 3V

Voltage Supply (Max): 30V

Voltage Output: 44V

Current Output / Channel: 30mA

Frequency: 200kHz to 2.5MHz

Dimming: Analog, PWM

Quality and Safety Features

Overvoltage protection

Overcurrent protection

Thermal shutdown

Compatibility

Compatible with a broad range of LEDs

Programmable frequency synchronization for reducing system noise

Can be used in conjunction with external dimming controllers

Application Areas

LED backlighting for LCD displays

Automotive lighting systems

General LED illumination

Portable lighting devices

Product Lifecycle

Currently active product with ongoing manufacturer support

Not approaching discontinuation

Upgrades or replacements should be sourced from the newer product lines by Analog Devices when available

Several Key Reasons to Choose This Product

High integration leads to a reduced BOM and smaller system design

Programmable frequency for design flexibility and optimized performance

Wide range of input voltage accommodates fluctuating power supplies

Multiple safety features ensure long-term reliability

True Color PWM dimming enhances visual quality of LED displays

Versatility makes it suitable for a wide variety of LED driving applications

Support and quality assurance from a renowned manufacturer, Analog Devices