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UL51A

Part Number	UL51A
Manufacturer	UTC
Description	HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER
Published	Feb 8, 2020
Detailed Description	UNISONIC TECHNOLOGIES CO., LTD UL51A Preliminary HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER CMOS IC  DES...
Datasheet	UL51A PDF File

Overview

UNISONIC TECHNOLOGIES CO.
, LTD UL51A Preliminary HIGH POWER FACTOR LINEAR CONSTANT CURRENT LED DRIVER CMOS IC  DESCRIPTION UTC UL51A is a high power factor linear constant current LED driver which is applied to LED lighting.
Through the distinctive constant current control technology, it realizes that constant current accuracy is less than ±5% and output current is adjustable through external resistor.
High power factor and low harmonic distortion are the particular features.
The system is simple without transformer and electrolysis capacitor.
Therefore, LED lighting batch job can be realized.
 FEATURES * No transformer and high voltage electrolysis capacitor * Integrated high voltage startup power supply circuit * Adjustable output current, max 100mA * Inter-chip current deviation < ±5% * Efficiency: >90% * Power factor: >0.
95 * THD<20% * Over temperature protection * Application system no EMI problems HSOP-8  ORDERING INFORMATION Ordering Number UL51AG-SH2-R Package HSOP-8...

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