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AL8840 Constant-Current LED Driver

Buck DC/DC LED driver IC, 4.5–40 V input, up to 1.5 A output current.

AL8840 Constant-Current LED Driver

Overview

The AL8840 is a hysteretic buck converter for driving LED strings.

Input range 4.5–40 V, adjustable output current up to 1.5 A via external resistor.

Technical Specifications

Input Voltage4.5–40 V
Output CurrentUp to 1.5 A
TopologyHysteretic Buck
DimmingPWM or Analog
PackageSOT-23-5
EfficiencyUp to 95%

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