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