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Family of trench-based rectifiers for computing and consumer applications

ON Semiconductor has introduced a family of 100V trench-based LVFR (low forward voltage Schottky rectifiers) 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 NTST30100CTG, NTST20100CTG and NTSB20U100CTG rectifiers utilise a trench metal oxide semiconductor structure that enables low forward voltage drop and reduced leakage current, which result in low conduction losses and efficiency improvement to achieve regulatory requirements without the added complexity, such as synchronous rectification, says the company. The LVFR also enables an enhanced conduction zone and pinch-off effect under forward and reverse biases, resulting in significant reduction in forward voltage drop and leakage current, respectively, claimed to the company. The LVFR’s switching performance is good across the operating junction temperature range of -40 to +150°C. The NTST30100CTG and NTST20100CTG rectifiers are 30 and 20A common cathode with forward voltage of 0.45 and 0.5VF at 125°C, respectively. These rectifiers are housed in a transistor outline 220 AB package.