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AP1694A Datasheet(PDF) 1 Page - Diodes Incorporated |
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AP1694A Datasheet(HTML) 1 Page - Diodes Incorporated |
1 / 15 page AP1694A Document number: DS37094 Rev. 1 - 2 1 of 15 www.diodes.com May 2014 © Diodes Incorporated AP1694A A Product Line of Diodes Incorporated OFFLINE, HIGH PF, HIGH EFFICIENCY DIMMABLE LED DRIVER CONTROLLER Description The AP1694A is a high performance AC/DC power factor corrector for mains dimmable LED driver applications. The device uses Pulse Frequency Modulation (PFM) technology to regulate output current while achieving high power factor and low THD. It operates as a BCM (Boundary Conduction Mode) controller which is good for EMI. The AP1694A provides accurate constant current (CC) regulation while removing the opto-coupler and secondary control circuitry. It also eliminates the need of loop compensation circuitry while maintaining stability. It can meet the requirement of IEC6100-3-2 harmonic standard. The AP1694A features low start-up current, low operation current. It adopts valley on switching mode to achieve high efficiency. It also has rich protection features including over voltage, short circuit, over temperature protection. The AP1694A provides the dimmable LED driver with a wide dimmer compatibility including leading edge and trailing edge dimmer. The AP1694A can achieve deep dimming down to 1%, while the dimming curve is compliant with the standard of NEMA SSL6. The AP1694A is available in SO-8 package. Pin Assignments (Top View) 1 2 3 4 8 7 6 5 NC RI SGND CS FB GND OUT VCC SO-8 Features Primary Side Control for Output Current Regulation without Opto- coupler Boundary Conduction Mode (BCM) Operation to Achieve High- efficiency High PF and Low THD (PF > 0.9, THD < 30%) High Efficiency without Dimmer Wide Range of Dimmer Compatibility Dimming Curve Compliant with NEMA SSL6 Low Start-up Current Tight LED Current Tight LED Open Voltage Valley-mode Switching to Minimize the Transition Loss Mosfet driver up to 25W Easy EMI Internal Protections: Under Voltage Lock Out(UVLO) Leading-edge Blanking (LEB) Output Short Protection Output Open Protection Over Temperature Protection Flexible for Design with Small Form Factor and Very Low BOM Cost Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) Applications Mains Dimmable LED Lighting 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’s definitions of Halogen- and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony- free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. |
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