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Diodes Pericom: A product line of Diodes Incorporated


The AP3118 is a Current Mode PWM controller specially designed for offline power supply that requires ultra-low standby power, high- power density and comprehensive protection. Coordinating with secondary USB PD controller, which can provide a total USB PD solution.


  • USB PD
  • General Adaptor


  • Current Mode Control
  • High-Voltage Startup
  • Frequency Fold Back for High Average Efficiency
  • 130k Maximum Frequency for Peak Load
  • Non-Audible-Noise and Green-Mode Control
  • Embedded VCC LDO to Guarantee Wide Range VCC_IN Voltage
  • Constant Output Current in Output Short Situation
  • Low VCC Charge Current Reduces Standby Power in Output Short Situation
  • Internal Slope Compensation
  • Soft Start During Startup Process
  • VCC Maintain Mode
  • X-CAP Discharge Function
  • Precise Secondary Side OVP and UVP
  • Programmable External OTP
  • Brown-Out Protection
  • Overload Protection
  • FOCP and SSCP Protection
  • Useful Pin Fault Protection
  • SSOP-9 (Type CJ) is Available

Product Specifications

Product Parameters

HV Start-Up Circuit Yes
Startup Current 1.5 µA
UVLO Threshold on/off 14.8/6.7 V
Gate Output Current 500 mA
Oscillation Frequency 65 kHz
CTRL Pin Low Auto-Recover
CTRL Pin High Auto-Recover
VOVP Auto-Recover
BNO Auto-Recover
LOVP Auto-Recover

Related Content

SSOP-9 (Type CJ)


Quality & Reliability

Technical Documents

Recommended Soldering Techniques
Orderable Part Number Authorized Distributor Quantity Inventory Date Buy Online Region
AP3118GSTR-G1 Arrow Electronics 4000 6/24/2019 Buy Now Americas
AP3118GSTR-G1 Digi-Key Electronics 4000 6/24/2019 Buy Now Americas