| Higher frequencies and lower losses in DC-DC converters |
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 Meeting the market demand for more power per cubic inch of the latest DC-DC converters, ST’s latest proprietary STripFET technology delivers extremely low conduction losses and switching losses and achieves the lowest figure of merit (FOM) among comparable devices. ST’s STripFET technology makes use of very high ‘equivalent cell density’ and smaller cell features to achieve extremely low ON-resistance and losses, while using less silicon area. Compared to the earlier generation, it achieves an improvement of approximately 35% in the critical indicator of silicon resistance and active area plus some 25% reduction in total gate charge per active area. This translates into a superior performance than any other comparable power MOSFET available on the market.
The reduced conduction and switching losses allow practical circuits to operate at higher-than-normal switching frequencies, enabling a reduction in the size of the circuit’s passive components. For example, a 10% increase in switching frequency can lead to a 10% reduction in passive components required by the output filter.
The STD60N3LH5 is a dedicated device for the HS switch due to its low Qg (8.8 nC) and low input capacitance ( 1350 pF) resulting in low switching losses. The STD85N3LH5 and STD95N2LH5 are to be used for LS switches due to the low RDS(on), providing very low conduction losses.
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| Datasheets and product selector |
 STripFET V |
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| Features |
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Extremely low RDS(on) |
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Very low switching gate charge |
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Best FOM, up to 45% lower compared to previous generation |
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High avalanche ruggedness |
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Low gate drive power losses |
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| Applications |
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Notebooks |
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Servers |
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Desktop |
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Telecommunications |
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Networking |
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PSpice models |
Sales type |
Lib
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| STL65N3LLH5 |
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| STU60N3LH5 |
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| STD60N3LH5 |
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| STU85N3LH5 |
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| STD85N3LH5 |
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| Presentation |
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| STripFET™ V |
Download (Feb. 2008,
2Mb) |
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| Promotional documents |
| Title |
Reference |
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| STripFET V |
FLSTRIP0308 |
Download (Mar. 2008, 159 Kb) |
| Power MOSFETs selection guide |
SGPMOS1107 |
Download (Oct. 2007, 893 Kb) |
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