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LT3519-1 - LED Driver

Download the LT3519-1 datasheet PDF. This datasheet also covers the LT3519 variant, as both devices belong to the same led driver family and are provided as variant models within a single manufacturer datasheet.

General Description

The LT®3519/LT3519-1/LT3519-2 are fixed frequency step-up DC/DC converters designed to drive LEDs.

They feature an internal 45V, 750mA low side switch and Schottky diode.

Key Features

  • n Up to 3000:1 True Color PWM™ Dimming n Wide Input Voltage Range Operation from 3V to 30V Transient Protection to 40V n Rail-to-Rail LED Current Sense from 0V to 45V n 45V, 750mA Internal Switch n Internal Schottky Diode n Constant-Current and Constant-Voltage Regulation n Boost, SEPIC, Buck-Boost Mode or Buck Mode Topology n Open LED Protection and Open LED Status Pin n Programmable Undervoltage Lockout with Hysteresis n Fixed Frequency: 400kHz (LT3519), 1MHz (LT3519-1), 2.2MHz (LT3519-2) n In.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (LT3519_LinearTechnology.pdf) that lists specifications for multiple related part numbers.

More Datasheets from Linear Technology (now Analog Devices)

Part Number Description
LT3519-2 LED Driver
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LT3007 Low Dropout Fault Tolerant Linear Regulators
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LT3021-1.5 Very Low Dropout Linear Regulator
LT3021-1.8 Very Low Dropout Linear Regulator

Full PDF Text Transcription for LT3519-1 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for LT3519-1. For precise diagrams, tables, and layout, please refer to the original PDF.

LT3519/LT3519-1/LT3519-2 LED Driver with Integrated Schottky Diode FEATURES n Up to 3000:1 True Color PWM™ Dimming n Wide Input Voltage Range Operation from 3V to 30V Tra...

View more extracted text
r PWM™ Dimming n Wide Input Voltage Range Operation from 3V to 30V Transient Protection to 40V n Rail-to-Rail LED Current Sense from 0V to 45V n 45V, 750mA Internal Switch n Internal Schottky Diode n Constant-Current and Constant-Voltage Regulation n Boost, SEPIC, Buck-Boost Mode or Buck Mode Topology n Open LED Protection and Open LED Status Pin n Programmable Undervoltage Lockout with Hysteresis n Fixed Frequency: 400kHz (LT3519), 1MHz (LT3519-1), 2.2MHz (LT3519-2) n Internal Compensation n CTRL Pin Provides Analog Dimming n Low Shutdown Current: <1μA n 16-Lead MSOP Package DESCRIPTION The LT®3519/LT3519-1/LT3519-2 are fi