LT3599EUH#TRPBF - Analog Devices Inc.

Manufacturer Part Number

LT3599EUH#TRPBF

Manufacturer

Analog Devices

Introduction

The LT3599 is a fixed frequency, current mode step-up DC/DC converter designed to drive LEDs with a constant current.

Product Features and Performance

Integrated internal switch

Supports up to 4 LED outputs

Adjustable frequency from 200kHz to 2.1MHz

Analog and PWM dimming capabilities

Wide input voltage range from 2.7V to 30V

High output voltage up to 44V

Consistent current output of 120mA per channel

Product Advantages

High efficiency boost converter

Flexible dimming options improve power management

Allows for multiple LED configurations with up to four outputs

Key Technical Parameters

Type: DC DC Regulator

Topology: Step-Up (Boost)

Number of Outputs: 4

Voltage - Supply (Min): 2.7V

Voltage - Supply (Max): 30V

Voltage - Output: 44V

Current - Output / Channel: 120mA

Frequency: 200kHz ~ 2.1MHz

Quality and Safety Features

Operates in a wide temperature range from -40°C to 125°C

Built-in thermal protection

Compatibility

Surface Mount technology for PCB integration

32-WFQFN Exposed Pad for heat dissipation

Compatible with various LED configurations

Application Areas

Ideal for driving LEDs in automotive, industrial, and general lighting applications

Product Lifecycle

Active product status

Not reported as nearing discontinuation

Options available for future upgrades

Several Key Reasons to Choose This Product

Multi-output capability with constant current drive for uniform illumination

Highly adaptable with a broad input voltage range

Efficient power conversion for long-term reliability

Option for both analog and PWM dimming to ensure design flexibility

Suitable for harsh environments with its wide operating temperature range

Provided in a compact 32-QFN package, optimizing board space