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AP3118

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

Product Specifications

Product Parameters

Operation Mode	CCM/DCM
HV Start-UpCircuit	Yes
Vcc_MAX(V)	100 (VCC_IN)
UVLOThresholdon/off (V)	14.8/6.7 V
Gate OutputCurrent (mA)	-0.7 mA
Maximum OscillationFrequency (kHz)	65 (CCM mode)/ 120 (Peak Load) kHz
BNO	Auto-Recover
LOVP	Auto-Recover
Release Date	201805

Technical Documents

Recommended Soldering Techniques

TN1.pdf