LT LT3519EMS#PBF

DC DC 稳压器3V30V750mA（开关）

Overview

The LT3519/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. Combining a traditional voltage feedback and a unique rail-to-rail current sense feedback allows these converters to operate as a constant-voltage source or constant-current source. Internal compensation simplifies applications. These devices feature rail-to-rail LED current sense pins that provide the most flexibility in choosing a converter configuration to drive the LEDs. The LED current is externally programmable with a sense resistor. The external PWM provides up to 3000:1 PWM dimming and the CTRL input provides analog dimming.

Features

Bulk Package
Available in the 16-TFSOP (0.118, 3.00mm Width) package
Operating temperature of -40°C~125°C TJ
Supply voltage of 12V
Switching frequency of 400kHz
Output voltage of 45V

Surface Mount Mounting Type

Applications

There are a lot of Linear Technology/Analog Devices
LT3519EMS#PBF LED Driver ICs applications.

• Gallery lighting
• Museum lighting
• High-end retail lighting
• Medical surgery lighting
• Replacement lamps
• Panel lighting
• Down lights
• Linear fluorescent
• A- lamps
• General LED Lighting: Down-lights, Base-lights, Ceiling Lights, Exterior Lights