Onsemi NCP4307FASNT1G | Demoboard EVBUM2818/D

Description

This evaluation board user’s manual describes a 100 W,Type C interface, universal AC input, constant voltage power supply intended for smart phone, PAD and NB adaptor supporting PD3.0/PPS protocol, where isolation from the AC mains is required, and low cost, high efficiency,and low standby power are essential.The featured power supply is a simple QR flyback topology utilizing onsemi’s NCP1623 VSFF PFC controller with 2 stage level, NCP1343 Multi−mode HF PWM controller with transient peak excursion power, NCP4307 synchronous rectified controller, onsemi’s FCMT199N60/FCMT250N65/FDMS86180/NTTFS4C02 MOSFET. This evaluation board user’s manual provides the complete circuit schematic details, PCB and BOM for 100 W Type C Interface PD3.0 Power adapter solution which supports PD output (5 V / 3 A, 9 V / 3 A, 12 V / 3 A, 15 V / 3 A, 20 V / 5 A).

Features

• AC input from 90 V to 264 V
• VSFF CRM PFC with 2 stage output voltage, 250 V at LL and 390 V at HL
• HF CCM/CRM PWM with 2x PEM supports more power transition without PFC working and 68uF PFC capacitor
• High Frequency Operation up to avg. 190 kHz at 264 Vac & full load and easy to be changed to GaN solution
• Quite skip and Flyback DCM operation with frequency foldback at no load & light load
• Output voltage 3.3 V − 21 V
• Max Output power: 100 W
• Support PD3.0, PPS, BC1.2 etc.
• Ripple & Noise: <60 mV
• AVG efficiency: 92% at 115 Vac & 230 Vac
• Full load efficiency: 92.3% & 92.9% at 115 Vac &230 Vac and 20 V 3.25 A
• Output precise OVP
• Output OCP, SCP
• Open loop protection
• Small size with compact design
• PCBA size: 60 mm x 60 mm x 19 mm

Typical applications

• Wall Chargers for Mobile Phones and Tablets and Computing Devices, AC−DC USB PD Compliant Adapters, Cigarette Lighter Adapters
• Power Banks

More information

• Datasheet
• IC product information