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HM9802 - 80V 1A High Efficiency Buck PFM LED Constant Current Driver

Description

The HM9802 is a monolithic high voltage switching regulator with PFM that is specifically designed to operate from a 12V~80V DC power supply.

The HM9802 is a high efficiency LED driver switching regulator.

Features

  • n Operation Voltage DC 12V~80V. n 0.1V current sense voltage reference. n Directly drive 1~18 Series 1W/3W LED. n Excellent line and load regulation. n Internal Optimize Power HV-MOSFET. n Built in Thermal Shutdown Function. n Built in Current Limiting Function. n Built in Soft-Start Circuit. n Available in TO263-5L package. n Up to 98% efficiency. General.

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Datasheet Details

Part number HM9802
Manufacturer H&M Semiconductor
File Size 315.66 KB
Description 80V 1A High Efficiency Buck PFM LED Constant Current Driver
Datasheet download datasheet HM9802 Datasheet

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Full PDF Text Transcription

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80V 1A High Efficiency Buck PFM LED Constant Current Driver HM9802 Features n Operation Voltage DC 12V~80V. n 0.1V current sense voltage reference. n Directly drive 1~18 Series 1W/3W LED. n Excellent line and load regulation. n Internal Optimize Power HV-MOSFET. n Built in Thermal Shutdown Function. n Built in Current Limiting Function. n Built in Soft-Start Circuit. n Available in TO263-5L package. n Up to 98% efficiency. General Description The HM9802 is a monolithic high voltage switching regulator with PFM that is specifically designed to operate from a 12V~80V DC power supply. The HM9802 is a high efficiency LED driver switching regulator. The LED string is driven at DC constant current rather than constant voltage, thus providing constant light output and enhanced reliability.
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