Diodes Incorporated — Analog and discrete power solutions
SSOP 9 Type CJ

Image shown is for reference only. Actual package may vary. Refer to the product data sheet for package details. SSOP-9 (Type CJ)

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AP3118 (NRND)

NRND = Not Recommended for New Design

DCM/CCM Mode Operation with Peakload function

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Description

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.

Feature(s)

  • 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

Application(s)

  • USB PD
  • General Adaptor

Specifications & Technical Documents

Product Parameters

BNO

Auto-Recover

Features

DCM/CCM Mode Operation with Peakload function

Gate OutputCurrent (mA)

-0.7

HV Start-UpCircuit

Yes

LOVP

Auto-Recover

Operation Mode

CCM/DCM

Maximum OscillationFrequency (kHz)

65 (CCM mode)/ 120 (Peak Load)

Release Date

201805

StartupCurrent (µA)

1.5

UVLOThresholdon/off (V)

14.8/6.7

Vcc_MAX(V)

100 (VCC_IN)

Related Content

Packages

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Purchase & Availability

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Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2770 2025-10-30 2025-10-30 Add Fab Site Code, Country of Diffusion (COD) and Assembly Site Origin (ASO) on Product and Shipping Labels for all Diodes Products