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Low Forward Voltage Schottky Rectifiers Offer Improved Switching Efficiency

Tue, 12/13/2011 - 7:16am
LVFR rectifiersON Semiconductor has introduced a family of 100-V trench-based low forward voltage Schottky rectifiers (LVFR) for applications such as switching power supplies for notebook adapters or flat panel displays, reverse battery protection circuits, and high frequency DC-DC converters. The new NTST30100CTG, NTST20100CTG and NTSB20U100CTG family of devices use a trench topology that is presented as enabling exceptionally low forward voltage drop and reduced leakage current. This results in low conduction losses and a substantial improvement in circuit efficiency - helping design engineers achieve regulatory requirements without the added complexity, such as synchronous rectification. This LVFR family utilizes a trench MOS structure that enables an enhanced conduction zone under forward bias, resulting in significant reduction in forward voltage drop. Under reverse bias, this structure creates a “pinch-off” effect resulting in reduced leakage current. The LVFR’s switching performance is strong across their entire operating junction temperature range of -40 °C to +150 °C.

ON Semiconductor
800-282-9855, www.onsemi.com
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