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AL1673 Datasheet

Part Number AL1673
Manufacturers Diodes
Logo Diodes
Description UNIVERSAL FLYBACK AND BUCK-BOOST SINGLE STAGE DIMMABLE LED DRIVER
Datasheet AL1673 DatasheetAL1673 Datasheet (PDF)

NOT RECOMMENDED FOR NEW DESIGN NO ALTERNATIVE AL1673 UNIVERSAL FLYBACK AND BUCK-BOOST SINGLE STAGE DIMMABLE LED DRIVER Description Pin Assignments The AL1673 is a high performance single stage Flyback/Buck-Boost converter, targeting dimmable LED lighting application. It is operating at BCM mode which results in good EMI and efficiency. The AL1673 can support multiple dimming modes. When a 0.3~2.4V DC signal is applied on APWM pin, the device will operate in analog dimming mode. When a digit.

  AL1673   AL1673






Part Number AL1678-20B
Manufacturers Diodes
Logo Diodes
Description 500V BUCK LED DRIVER
Datasheet AL1673 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.

  AL1673   AL1673







Part Number AL1678-10B
Manufacturers Diodes
Logo Diodes
Description 500V BUCK LED DRIVER
Datasheet AL1673 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.

  AL1673   AL1673







Part Number AL1678-08B
Manufacturers Diodes
Logo Diodes
Description 500V BUCK LED DRIVER
Datasheet AL1673 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.

  AL1673   AL1673







Part Number AL1677
Manufacturers Diodes
Logo Diodes
Description HIGH EFFICIENCY AND ACCURACY LED DRIVER CONVERTER
Datasheet AL1673 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 .

  AL1673   AL1673







Part Number AL1676
Manufacturers Diodes
Logo Diodes
Description UNIVERSAL HIGH POWER FACTOR BUCK LED DRIVER
Datasheet AL1673 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.

  AL1673   AL1673







UNIVERSAL FLYBACK AND BUCK-BOOST SINGLE STAGE DIMMABLE LED DRIVER

NOT RECOMMENDED FOR NEW DESIGN NO ALTERNATIVE AL1673 UNIVERSAL FLYBACK AND BUCK-BOOST SINGLE STAGE DIMMABLE LED DRIVER Description Pin Assignments The AL1673 is a high performance single stage Flyback/Buck-Boost converter, targeting dimmable LED lighting application. It is operating at BCM mode which results in good EMI and efficiency. The AL1673 can support multiple dimming modes. When a 0.3~2.4V DC signal is applied on APWM pin, the device will operate in analog dimming mode. When a digital signal is applied on APWM pin, the device works at PWM dimming mode. The AL1673 features low start-up current and low operation current. It integrates multiple protections including over voltage, short circuit, over current and over temperature protection. It also integrates 600V/2A high voltage MOSFET. (Top View) CS 1 GND 2 DRAIN 3 DRAIN 4 8 COMP 7 APWM EP 6 FB 5 VCC SO-8EP The AL1673 is available in SO-8EP package. Applications Features • General LED Lighting Driver with Dimming Function • General Purpose Constant Current Source • Smart LED Lighting • Valley Switching for Low Switching Loss • Low Start-Up Current • High PF and Low THD • High Efficiency • Tight LED Current Variation Range • Tight Output Open Voltage Variation Range • Integrates 600V/2A MOSFET • Support Both PWM Dimming and Analog Dimming  PWM Dimming Range:3% to 100% at 1kHz PWM Frequency  Analog Dimming and PWM-to-DC Dimming Range:18% to 100%; • Internal Protections  Under Voltage Lock Out (UVLO)  Out.


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