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AL1676 Datasheet

Part Number AL1676
Manufacturers Diodes
Logo Diodes
Description UNIVERSAL HIGH POWER FACTOR BUCK LED DRIVER
Datasheet AL1676 DatasheetAL1676 Datasheet (PDF)

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 sing.

  AL1676   AL1676






Part Number AL1678-20B
Manufacturers Diodes
Logo Diodes
Description 500V BUCK LED DRIVER
Datasheet AL1676 DatasheetAL1678-20B Datasheet (PDF)

OBSOLETE – PART DISCONTINUED PART OBSOLETE – NO ALTERNATE PART AL1678-20B/10B/08B UNIVERSAL, 500V BUCK LED DRIVER Description The AL1678-20B/10B/08B is a universal AC input (85 to 277 VAC), high efficiency and high accuracy Buck LED driver. The AL167820B/10B/08B topology provides accurate constant current over line and load regulation with tight tolerance ±3%, operating at boundary conduction mode (BCM) to ease in EMI/EMC qualification and testing to meet the latest regulatory laws. The AL167.

  AL1676   AL1676







Part Number AL1678-10B
Manufacturers Diodes
Logo Diodes
Description 500V BUCK LED DRIVER
Datasheet AL1676 DatasheetAL1678-10B Datasheet (PDF)

OBSOLETE – PART DISCONTINUED PART OBSOLETE – NO ALTERNATE PART AL1678-20B/10B/08B UNIVERSAL, 500V BUCK LED DRIVER Description The AL1678-20B/10B/08B is a universal AC input (85 to 277 VAC), high efficiency and high accuracy Buck LED driver. The AL167820B/10B/08B topology provides accurate constant current over line and load regulation with tight tolerance ±3%, operating at boundary conduction mode (BCM) to ease in EMI/EMC qualification and testing to meet the latest regulatory laws. The AL167.

  AL1676   AL1676







Part Number AL1678-08B
Manufacturers Diodes
Logo Diodes
Description 500V BUCK LED DRIVER
Datasheet AL1676 DatasheetAL1678-08B Datasheet (PDF)

OBSOLETE – PART DISCONTINUED PART OBSOLETE – NO ALTERNATE PART AL1678-20B/10B/08B UNIVERSAL, 500V BUCK LED DRIVER Description The AL1678-20B/10B/08B is a universal AC input (85 to 277 VAC), high efficiency and high accuracy Buck LED driver. The AL167820B/10B/08B topology provides accurate constant current over line and load regulation with tight tolerance ±3%, operating at boundary conduction mode (BCM) to ease in EMI/EMC qualification and testing to meet the latest regulatory laws. The AL167.

  AL1676   AL1676







Part Number AL1677
Manufacturers Diodes
Logo Diodes
Description HIGH EFFICIENCY AND ACCURACY LED DRIVER CONVERTER
Datasheet AL1676 DatasheetAL1677 Datasheet (PDF)

NEW PRODUCT AL1677 UNIVERSAL, HIGH EFFICIENCY AND ACCURACY LED DRIVER CONVERTER Description The AL1677 is a universal AC-input (85~277 VAC), high-efficiency and high-accuracy Buck LED-driver converter. The AL1677 topology provides accurate constant current (CC) 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 AL1677 system removes the auxiliary winding and external highvoltage MOSFET with .

  AL1676   AL1676







UNIVERSAL HIGH POWER FACTOR BUCK LED DRIVER

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 Protect.


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