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SC3056A

High Frequency Quasi-Resonant Flyback Converter With GaN Integrated

SC3056ASC3056A

SC3056A

High Frequency Quasi-Resonant Flyback Converter With GaN Integrated

SC3056A is a high frequency, quasi-resonant flyback PWM converter with 650V GaN integrated (QR/DCM), which can achieve high efficiency and reliability. The converter built-in high voltage start-up circuit through HV pin. Therefore, extremely low standby power consumption and super-fast start-up time can be obtained by HV pin. SC3056A provides an adaptive switching frequency fold_x0002_back to achieve higher efficiency in the whole loading range. It operates in QR and DCM with valley switching for high efficiency. And at no load, the IC will operate in burst mode to reduce power consumption. SC3056A provides functions of low start-up current, fast start-up, low standby power consumption. The burst mode with extremely low operation current (350uA) can significantly reduce standby power consumption to meet the efficiency regulations. The converter integrates a segment power supply circuit for VDD power supply, which is especially suitable for applications with wide output voltage range. SC3056A offers comprehensive protections to prevent the circuit from damage under abnormal conditions. Furthermore, the features of frequency jittering and smart driving function can minimize the noise and improve EMI performance.
SC3056A
SC3056A is a high frequency, quasi-resonant flyback PWM converter with 650V GaN integrated (QR/DCM), which can achieve high efficiency and reliability. The converter built-in high voltage start-up circuit through HV pin. Therefore, extremely low standby power consumption and super-fast start-up time can be obtained by HV pin. SC3056A provides an adaptive switching frequency fold_x0002_back to achieve higher efficiency in the whole loading range. It operates in QR and DCM with valley switching for high efficiency. And at no load, the IC will operate in burst mode to reduce power consumption. SC3056A provides functions of low start-up current, fast start-up, low standby power consumption. The burst mode with extremely low operation current (350uA) can significantly reduce standby power consumption to meet the efficiency regulations. The converter integrates a segment power supply circuit for VDD power supply, which is especially suitable for applications with wide output voltage range. SC3056A offers comprehensive protections to prevent the circuit from damage under abnormal conditions. Furthermore, the features of frequency jittering and smart driving function can minimize the noise and improve EMI performance.
Product Details
Design / Development
Technical Documentation
Applications

Product Details

Technical Documentation

Parameter NameParameter Value
Fsw_Max175KHz
Control ModeQR/DCM
HV_Pin Bin/Bout(Vdc)105/90
X-Cap Dis-charge/
Ext-OTP/
ZCD Pin OVP(V)4.45
Parameter NameParameter Value
FB OLPA
VDD OVP (V)40
DRVInt-GaN
Rdson(Ω)0.27
Recommended Application40W~45W
PackageQFN5x6-14
Parameter NameParameter Value
Fsw_Max175KHz
Control ModeQR/DCM
HV_Pin Bin/Bout(Vdc)105/90
X-Cap Dis-charge/
Ext-OTP/
ZCD Pin OVP(V)4.45
FB OLPA
VDD OVP (V)40
DRVInt-GaN
Rdson(Ω)0.27
Recommended Application40W~45W
PackageQFN5x6-14