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LN2102 - 2A / 23V Step-Down LED Driver

Datasheet Summary

Description

LN2102 is a step down LED driver that is designed to meet least 2A continuous output current for high power LED application, and utilizes PWM control scheme that switches with 300KHz fixed frequency.

The input voltage range of LN2102 is from 4.2V to 23V.

Features

  • s.
  • Input voltage: 4.2V to 23V.
  • Low Feedback Voltage 0.21V.
  • Driving up to 15 LEDs (1W 3S-5P) at 12 VIN.
  • Oscillation frequency: 300KHz typ.
  • Soft-start, Current limit, Enable function.
  • Great Output Capability.
  • PWM or Analog Dimming Control.
  • Thermal Shutdown function.
  • Built-in internal P-channel MOS.
  • SOP-8 Package.

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Datasheet preview – LN2102

Datasheet Details

Part number LN2102
Manufacturer natLinear
File Size 233.41 KB
Description 2A / 23V Step-Down LED Driver
Datasheet download datasheet LN2102 Datasheet
Additional preview pages of the LN2102 datasheet.

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Full PDF Text Transcription

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300KHz, 2A / 23V Step-Down LED Driver LN2102 ■ General Description LN2102 is a step down LED driver that is designed to meet least 2A continuous output current for high power LED application, and utilizes PWM control scheme that switches with 300KHz fixed frequency. The input voltage range of LN2102 is from 4.2V to 23V. It is suitable for series-parallel 1W, 3W, or 5W high power LED application due to the high operation voltage and output capability. At 12V input voltage, this device can drive up to 15pcs 1W LED(3S-5P) with constant 350mA LED current. The PWM control circuit is able to very the duty ratio linearly from 0 up to 100%. This device also contains an error amplifier circuit as well as a soft-start circuit that prevents overshoot at startup.
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