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LA8303 - 2A/23V Step-Down LED Driver

General Description

LA8303 is a voltage mode, step-down LED driver that is designed to meet maximum 2A constant current for high power LED application, and utilizes PWM control scheme that switches with 300KHz fixed frequency.

The input voltage range of LA8303 is from 3.6V to 23V.

Key Features

  • l l l l l l l l l l l l l l l l Up to 96% Efficiency 0.21V Low Feedback Voltage 3.6V to 23V Input Voltage Range Driving up to 15 LEDs (1W 3S-5P) at 12VIN 300KHz Oscillation Frequency Continuous 2A Output Capability 100% Duty Cycle 3mA Low Supply Current 1uA Low Shutdown Current PWM or Analog Dimming Control Built-in Low RDS(ON) Power MOSFET No External Compensation Required Adjustable Current Limit Short Circuit and Thermal Protection SOP-8 Package Meet RoHS Standard during line or load transi.

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Datasheet Details

Part number LA8303
Manufacturer Linear Artwork
File Size 499.20 KB
Description 2A/23V Step-Down LED Driver
Datasheet download datasheet LA8303 Datasheet

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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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LA8303 300KHz, 2A/23V Step-Down LED Driver General Description LA8303 is a voltage mode, step-down LED driver that is designed to meet maximum 2A constant current for high power LED application, and utilizes PWM control scheme that switches with 300KHz fixed frequency. The input voltage range of LA8303 is from 3.6V 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 12VIN, this device can drive up to 15pcs (3S-5P) 1W LEDs. The 0.21V low feedback voltage can reduce the power dissipation of the constant current setting resistor, and improve the conversion efficiency. This device provides excellent regulation Features l l l l l l l l l l l l l l l l Up to 96% Efficiency 0.21V Low Feedback Voltage 3.