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LT3756 - LED Controller

General Description

The LT®3756, LT3756-1 and LT3756-2 are DC/DC controllers designed to operate as a constant-current source for driving high current LEDs.

They drive a low side external N-channel power MOSFET from an internal regulated 7.15V supply.

Key Features

  • n 3000:1 True Color PWM™ Dimming n Wide Input Voltage Range: 6V to 100V n Output Voltage Up to 100V n Constant-Current and Constant-Voltage Regulation n 100mV High Side Current Sense n Drives LEDs in Boost, Buck Mode, Buck-Boost Mode, SEPIC or Flyback Topology n Adjustable Frequency: 100kHz to 1MHz n Open LED Protection n Programmable Undervoltage Lockout with Hysteresis n Improved Open LED Status Pin (LT3756-2) n Frequency Synchronization (LT3756-1) n PWM Disconnect Switch Driver n.

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📁 Similar Datasheet

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Other Datasheets by Linear Technology (now Analog Devices)

Part Number Description
LT3756-1 LED Controller
LT3750 Capacitor Charger Controller
LT3751 Capacitor Charger Controller
LT3754 LED Driver
LT3755 LED Controller

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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FEATURES n 3000:1 True Color PWM™ Dimming n Wide Input Voltage Range: 6V to 100V n Output Voltage Up to 100V n Constant-Current and Constant-Voltage Regulation n 100mV High Side Current Sense n Drives LEDs in Boost, Buck Mode, Buck-Boost Mode, SEPIC or Flyback Topology n Adjustable Frequency: 100kHz to 1MHz n Open LED Protection n Programmable Undervoltage Lockout with Hysteresis n Improved Open LED Status Pin (LT3756-2) n Frequency Synchronization (LT3756-1) n PWM Disconnect Switch Driver n CTRL Pin Provides Analog Dimming n Low Shutdown Current: <1µA n Programmable Soft-Start n Thermally Enhanced 16-Lead QFN (3mm × 3mm) and MSOP Packages n AEC-Q100 Qualified for Automotive Applications APPLICATIONS n High Power LED Applications n Current Limited Constant Voltage Applic