Technical Information Site of Power Supply Design

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Product Information

You can easily find the best power supply IC, Si/SiC MOSFETs and diodes, and other related products using the product lineup tree and features.

Power Supply IC

Linear Regulators

Wide lineup of linear regulators to 900 kinds including general purpose 3-pin, low power, high current, and high voltage are available. These are ideal for mobile phones, automotive systems, consumer electronics, commercial products and industrial equipment.

Switching Regulators

Wide lineup of switching regulators (DC/DC converters) are available, which are back/boost/back-boost with/without internal MOSFET, from single output to multi-output system power supply. These contribute to improve efficiency of CPUs, FPGAs, portable devices, automotive equipment, consumer products and industrial products.

Isolated Converters (AC/DC, DC/DC)

Integrated MOSFET types and controller types with functions for reducing power consumption at light load, various protections and noise reduction, making isolated converters smaller and higher efficiency, are available.

Power Devices

Si Schottky Barrier Diodes

Power Schottky barrier diodes combine lower VF and IF with higher ESD rating, featuring low power consumption and high reliability for battery controlling, power supply and automotive with EV/HV applications.

Si Fast Recovery Diodes

Fast recovery diodes drastically to improve efficiency and power consumption of switching power supplies, providing optimum characteristics for DCM and BCM in PFC applications like lighting, air-conditioning, LCD-TV, industrial modules and etc.

Si MOSFET

ROHM's unique Supper Junction MOSFETs include higher switching speed and lower on-resistance to apply to wide range of applications. Automotive versions are compliant with AEC-Q101.

Standard SJ MOSFET: AN Series


Low Noise SJ MOSFET: EN Series


High Speed SJ MOSFET: KN Series


Presto MOS/Fast trr SJ MOSFET: FN Series


Presto MOS/Fast trr & Low Ron SJ MOSFET: MN Series

  • R60xxMNx Series (600V)

Hybrid MOS: GN Series

SiC Schottky Barrier Diodes

SiC is a next generation low-loss semiconductor to reduce switching losses and to have better performance under high temperature condition, realizing smaller, lower power and higher efficiency power devices than Si. SiC Schottky barrier diodes can reduce switching losses and perform fast switching with actual results in PFC of high speed switching power supply circuits.

SiC MOSFET

SiC is a next generation low-loss semiconductor to reduce switching losses and to have better performance under high temperature condition, realizing smaller, lower power and higher efficiency power devices than Si. SiC MOSFETs can reduce switching losses by fast switching due to theoretically no tail-current at switching operation.

SiC Power Modules

SiC is a next generation low-loss semiconductor to reduce switching losses and to have better performance under high temperature condition, realizing smaller, lower power and higher efficiency power devices than Si. SiC Power Modules can drastically reduce power losses for IGBT modules because of lower switching losses, and excel under high switching frequency condition.

 

SiC Schottky barrier diode Bare Die

SiC Schottky barrier diodes can reduce switching losses and perform fast switching with actual results in PFC of high speed switching power supply circuits.

 

SiC MOSFET Bare Die

SiC MOSFETs can reduce switching losses by fast switching due to theoretically no tail-current at switching operation. Low Ron with smaller die size, and low capacitance and gate-charge are achieved.

IGBT:Field Stop Trench IGBT

IGBTs are effective to improve efficiency and power consumption for wide range of high voltage and high current applications. Lower VCE(sat) and switching losses are achieved by the unique trench-gate and thin wafer technology.

IGBT:Ignition IGBT

IGBTs are effective to improve efficiency and power consumption for wide range of high voltage and high current applications. Ignition IGBTs achieved both low VCE(sat) and high avalanche rating, optimizing for automotive ignition applications with high reliability.

IGBT-IPM

IGBT-IPM(Intelligent Power Module) is a module packing optimized gate driving circuits and protection functions in a case. It gives system efficiency improvement and design work reduction.

MOS-IPM

MOS-IPM(Intelligent Power Module) is a high efficient module using the unique PrestMOS. Comparing with IGBT products, it can dramatically reduce losses at constant operation of air-conditioning.