LT3599IFE - Analog Devices Inc.

Manufacturer Part Number

LT3599IFE

Manufacturer

Analog Devices

Introduction

The LT3599IFE is a specialized power management integrated circuit (PMIC) focused on LED driving applications. Designed specifically to cater to the needs of high-quality LED illumination, it supports the True Color PWM™ series, emphasizing accurate color rendering and brightness control.

Product Features and Performance

Integrated step-up (boost) DC DC regulator for efficient power conversion

Supports up to 4 LED outputs, enabling control over multiple LEDs simultaneously

Operates over a wide supply voltage range from 2.7V to 30V, facilitating use in various applications

Offers a high voltage output up to 44V, suitable for series LED configurations

Provides up to 120mA of current per channel, enabling bright LED operation

Features a flexible frequency range from 200kHz to 2.1MHz, allowing optimization for efficiency and size

Supports both analog and PWM dimming methods, enabling precise brightness and color control

Product Advantages

Integrated internal switches reduce external component count, simplifying the design and reducing size

Wide input voltage range ensures compatibility with diverse power sources

High output voltage capability allows driving multiple LEDs in series, enhancing design flexibility

True Color PWM™ technology ensures high accuracy in color rendering and brightness control

Key Technical Parameters

Voltage Supply (Min): 2.7V

Voltage Supply (Max): 30V

Voltage Output: 44V

Current Output / Channel: 120mA

Dimming Capability: Analog, PWM

Frequency Range: 200kHz ~ 2.1MHz

Operating Temperature Range: -40°C ~ 125°C (TJ)

Automotive Grade Reliability

Quality and Safety Features

Built to meet automotive-grade requirements, ensuring high reliability and performance under harsh conditions

Over-temperature and over-current protection mechanisms safeguard the device and the LEDs from damage

Compatibility

Suited for surface mount technology (SMT), compatible with standard PCB manufacturing processes

Can be used in conjunction with various types of LEDs, supporting design flexibility

Application Areas

Automotive lighting systems

Industrial illumination

Portable and stationary LED-based lighting solutions

Product Lifecycle

Obsolete status, indicating the product is no longer being manufactured or recommended for new designs

It’s important for users to seek replacements or consider upgrades for future designs

Several Key Reasons to Choose This Product

High integration level simplifies the design and reduces the overall BOM cost

True Color PWM™ technology provides superior color accuracy and brightness control

Wide input voltage range and high output capability offer flexibility in design

Automotive grade ensures reliability in demanding applications

Support for both analog and PWM dimming fulfills diverse design requirements