Synchronous rectification
Synchronous rectifier MOSFET controller, used to control the external MOSFET, replacing the rectifier diode in the flyback converter, can significantly reduce heat and improve the conversion efficiency of the system. The IC determines its switching state by detecting the source-drain voltage of the external MOSFET.
MST1692FS-C：Integrated 22mΩ 40V MOSFETs, reflective and quasi-resonant synchronous rectifiers
The MST1692FS-C is a synchronous rectifier diode with 40V voltage resistance and 22mΩ internal resistance MOSFETs. It is used
to replace the rectifier diode of flyback converters, which can significantly reduce heat and improve the conversion efficiency
of the system. The IC determines its switching state by detecting the source-drain voltage of the integrated MOSFET.
The MST1692FS-C is compatible with flyback converters in discontinuous or quasi-resonant operating modes.
■ Compatible with DCM and QR flyback converters
■ A 22mΩ 40V MOSFET is integrated
■ supports a maximum 100kHz switching frequency
■ Available in an SOP8 package
MST1694KC-B：Integrated 13mΩ 60V MOSFET, high voltage synchronous rectifier diode
The MST1694KC-B is a fast switch-off intelligent rectifier for flyback converters with integrated 100V MOSFETs.
It can provide higher efficiency than diode rectifiers. The forward voltage drop of the internal switch tube can be adjusted to
40mV and the switch tube can be turned off before the drain-source voltage is reversed.
It is suitable for applications in discontinuous conduction mode (DCM), quasi-resonant mode (QR) and continuous conduction
mode (CCM).
The MST1694KC-B is packaged in SOP-8.
■ Compatible with DCM, CCM and QR flyback converters
■ The output voltage is directly supplied to VCC
■ The output voltage is directly supplied to VCC
■ 150uA Low static current
■ 4.5A drive current Ensures quick MOSFET shutdown
■ Maximum voltage 100V
■ supports a maximum switching frequency of 200kHz
■ Supports low output voltage operation
■ Available in an SOP8 package
MST1694KC-A：Integrated 17mΩ 100V MOSFET, high voltage synchronous rectifier diode
The MST1694KC-A is a fast switch-off intelligent rectifier for flyback converters with integrated 100V MOSFETs.
It can provide higher efficiency than diode rectifiers. The forward voltage drop of the internal switch tube can be adjusted to
40mV and the switch tube can be turned off before the drain-source voltage is reversed.
It is suitable for applications in discontinuous conduction mode (DCM), quasi-resonant mode (QR) and continuous conduction
mode (CCM).
The MST1694KC-A is packaged in SOP-8.
■ Compatible with DCM, CCM and QR flyback converters
■ The output voltage is directly supplied to VCC
■ The output voltage is directly supplied to VCC
■ 150uA Low static current
■ 4.5A drive current Ensures quick MOSFET shutdown
■ Maximum voltage 100V
■ supports a maximum switching frequency of 200kHz
■ Supports low output voltage operation
■ Available in an SOP8 package
MST1693TG：External MOS, high voltage synchronous rectifier controller
The MST1693TG is a synchronous rectifier MOSFET controller used to control the external MOSFET, replacing the rectifier diode in
the flyback converter, which can significantly reduce heat and improve the conversion efficiency of the system.The IC determines
its switching state by detecting the source-drain voltage of the external MOSFET.
The MST1693TG is compatible with flyback converters in continuous mode, discontinuous mode and quasi-resonant operating mode.
■ Compatible with DCM, CCM and QR flyback converters
■ The output voltage is directly supplied to VCC
■ 150uA Low static current
■ 4.5A drive current Ensures quick MOSFET shutdown
■ supports a maximum switching frequency of 200kHz
■ Supports low output voltage operation
■ Available in an SOT23-6 package
Related products
| Classification | Product model | Product description |
|---|---|---|
| Synchronous rectification | MST1692FS-C | |
| Synchronous rectification | MST1694KC-A | |
| Synchronous rectification | MST1694KC-B | |
| Synchronous rectification | MST1693TG |