LT3743 - High Current Synchronous Step-Down LED Driver
Linear Technology (Analog Devices)
Description
nn PWM Dimming Provides Up to 3000:1 Dimming Ratio nn CTRL_SEL Dimming Provides Up to 3000:1 Dimming
Ratio Between Any Current nn Three-State Current Control for Color Mixing nn ±6% Current Regulation Accuracy nn 6V to 36V Input Voltage Range nn Average Current Mode Control nn 2µs Maximum Recovery
Features
High Current Synchronous Step-Down LED Driver with
Three-State Control.
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LT3743
FEATURES
High Current Synchronous Step-Down LED Driver with
Three-State Control DESCRIPTION
nn PWM Dimming Provides Up to 3000:1 Dimming Ratio nn CTRL_SEL Dimming Provides Up to 3000:1 Dimming
Ratio Between Any Current nn Three-State Current Control for Color Mixing nn ±6% Current Regulation Accuracy nn 6V to 36V Input Voltage Range nn Average Current Mode Control nn 2µs Maximum Recovery Time Between Any Current
Regulation State nn <1µA Shutdown Current nn Output Voltage Regulation and Open-LED Protection nn Thermally Enhanced 4mm × 5mm QFN and
28-Pin FE Package
APPLICATIONS
nn DLP Projectors nn High Power Architectural Lighting nn Laser Diodes
The LT®3743 is a fixed frequency synchronous step-down DC/DC controller designed to drive high current LEDs.
LT3743 Datasheet
