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The AP1694 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 AP1694 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 AP1694 features low start-up current, low operation current. It adopts dynamic base driver control technology and valley on switching mode to achieve high efficiency. It also has rich protection features including over voltage, short circuit, over temperature protection.
The AP1694 provides the dimmable LED driver with a wide dimmer compatibility including leading edge and trailing edge dimmer. The AP1694 can achieve deep dimming down to 1%, while the dimming curve is compliant with the standard of NEMA SSL6.
The AP1694 is available in SO-8 package.


  • Mains Dimmable LED Lighting


  • Primary Side Control for Output Current Regulation without Opto-coupler
  • Boundary Conduction Mode (BCM) Operation to Achieve High efficiency
  • High PF and Low THD
  • 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
  • BJT Transistor Driver
  • Dynamic Base Driver Control
  • Valley-mode Switching to Minimize the Transition Loss
  • 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 
  • Halogen and Antimony Free. “Green” Device 

Product Specifications

Product Parameters

Minimum Input Voltage 6.5 V
Maximum Input Voltage 30 V
Output Current - mA
LED Current External MOSFET A
Accuracy 5 %
Frequency 200 kHz
Efficiency 85 %
Dimming Triac
Supply Current - mA
Temperature Range -40 to 125 °C

Related Content


Quality & Reliability

Technical Documents

Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP1694AEV10 Digi-Key Electronics 10 9/20/2017 Buy Now Americas
AP1694AEV11 Digi-Key Electronics 8 9/20/2017 Buy Now Americas
AP1694AMTR-G1 Mouser Electronics Inc. 3960 9/20/2017 Buy Now Americas
AP1694AS-13 Digi-Key Electronics 4000 9/20/2017 Buy Now Americas
AP1694MTR-G1 Future Electronics - Europe 4000 9/17/2017 Buy Now Europe, Middle East, Africa


Product Change Notices

PCN # Issue Date Subject
PCN-2253 2017-26-01 Device End of Life (EOL)