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IS32LT3961 - CONSTANT-CURRENT 2-AMPERE PWM DIMMABLE BUCK REGULATOR LED DRIVER

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Datasheet Details

Part number IS32LT3961
Manufacturer Lumissil
File Size 944.01 KB
Description CONSTANT-CURRENT 2-AMPERE PWM DIMMABLE BUCK REGULATOR LED DRIVER
Datasheet download datasheet IS32LT3961 Datasheet

General Description

The IS32LT3961 is a DC-to-DC switching converter that integrates an N-channel MOSFET to operate in a buck configuration.

The device can operate from a wide input voltage between 5V and 60V and provides a constant current of up to 2A for driving a single LED or multiple series connected LEDs.

Overview

IS32LT3961 CONSTANT-CURRENT 2-AMPERE PWM DIMMABLE BUCK REGULATOR LED DRIVER WITH OUTPUT FAULT REPORTING December 2021.

Key Features

  • Wide input voltage supply from 5V to 60V.
  • High-side current sensing with LED string cathode connected directly to GND.
  • True average output current control with ±5% output current accuracy over operating temperature range of -40°C to +150°C.
  • 2A maximum output over operating temperature range.
  • Cycle-by-cycle current limit.
  • Integrated high-side MOSFET switch.
  • PWM dimming capability.
  • Analog dimming for LED binning or thermal roll off protection.
  • Internal.

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