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AL1676

Diodes
Part Number AL1676
Manufacturer Diodes
Description UNIVERSAL HIGH POWER FACTOR BUCK LED DRIVER
Published Feb 28, 2016
Detailed Description NOT RECOMMENDED FOR NEW DESIGN NO ALTERNATIVE PART AL1676 UNIVERSAL HIGH POWER FACTOR BUCK LED DRIVER Description The...
Datasheet PDF File AL1676 PDF File

AL1676
AL1676

Overview
NOT RECOMMENDED FOR NEW DESIGN NO ALTERNATIVE PART AL1676 UNIVERSAL HIGH POWER FACTOR BUCK LED DRIVER Description The AL1676 is a universal AC input (85~277 VAC), high power factor (PF) and high efficiency Buck LED driver.
The AL1676 topology provides accurate constant current (CC) with good line and load regulation, operating at boundary conduction mode (BCM) to ease in EMI/EMC qualification and testing to meet the latest regulatory laws.
The AL1676 single Buck stage driver works with a single winding inductor and High voltage MOSFET included, therefore, can use fewer external components and create a low bill of material (BOM) cost solution.
The AL1676 has rich protection features to enhance system safety and reliability, including under voltage lock out (UVLO), LED open/short, over voltage, over current, over temperature protection and thermal fold-back function which can reduce output current when the driver’s temperature is higher than the setting value.
Pin Assignments (Top View) VCC 1 ROVP 2 COMP 3 GND 4 7D 6 NC 5 CS SO-7 The AL1676 is available for SO-7 package.
Features • >90% Efficiency • Universal 85 to 277 VAC Input Range • Multiple Options for Internal MOSFET • Tight Output Current Tolerance: ±3% • Low Startup Current: 100µA • Low Operation Current: 170µA (5KHs Switching) • Single Winding Inductor • Internal Protections:  Under Voltage Lock Out (UVLO)  Leading-Edge Blanking (LEB)  Cycle-by-cycle Over Current Protection (OCP)  Output Open/Short Protection (OVP/OSP)  Thermal Fold-back Protection (TFP)  Over Temperature Protection (OTP) • SO-7 Package • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) • Halogen and Antimony Free.
“Green” Device (Note 3) Applications • Retrofit LED Lamps • LED Tube • High Voltage DC-DC LED Driver • General Purpose Constant Current Source Notes: 1.
No purposely added lead.
Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2.
See http://www.
diodes.
com/quality/lead_free.
html for more ...


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