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AL1672

Diodes
Part Number AL1672
Manufacturer Diodes
Description SINGLE STAGE DIMMABLE BUCK CONVERTER
Published Jun 13, 2019
Detailed Description NOT RECOMMENDED FOR NEW DESIGN NO ALTERNATIVE PART AL1672 SINGLE STAGE DIMMABLE BUCK CONVERTER WITH 600V/4A MOSFET De...
Datasheet PDF File AL1672 PDF File

AL1672
AL1672

Overview
NOT RECOMMENDED FOR NEW DESIGN NO ALTERNATIVE PART AL1672 SINGLE STAGE DIMMABLE BUCK CONVERTER WITH 600V/4A MOSFET Description The AL1672 is a high performance single stage Buck convertor, targeting dimmable LED lighting application.
It is operating at BCM mode which results in good EMI and efficiency.
The AL1672 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 AL1672 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/4A high voltage MOSFET.
The AL1672 is available in SO-8EP package.
Pin Assignments (Top View) CS 1 GND 2 EP DRAIN 3 DRAIN 4 SO-8EP 8 COMP 7 APWM 6 FB 5 VCC Features Applications • 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/4A 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)  Output Over Voltage Protection (OVP)  Output Short Protection (OSP)  Over Current Protection (OCP)  Thermal Fold-Back Protection (TFP)  Over Temperature Protection (OTP) • Low System Cost • Package: SO-8EP • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) • General LED Lighting Driver with Dimming Function • General Purpose Constant Current Source • Smart LED Lighting • Halogen and Antimony Free.
“Green” Device (Note 3) 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 information about Diodes Incorporated’...


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