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MIC4680 データシート(PDF) 1 Page - Microchip Technology |
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MIC4680 データシート(HTML) 1 Page - Microchip Technology |
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1 / 24 page  2021 Microchip Technology Inc. and its subsidiaries DS20006623A-page 1 MIC4680 Features • SOIC-8 Package with Up to 1.3A Output Current • All Surface Mount Solution • Only Four External Components Required • Fixed 200 kHz Operation • 3.3V, 5V, and Adjustable Output Versions • Internally Compensated with Fast Transient Response • Wide 4V to 34V Operating Input Voltage Range • Less than 2 µA Typical Shutdown Mode Current • Up to 90% Efficiency • Thermal Shutdown • Overcurrent Protection Applications • Simple 1A High-Efficiency Step-Down Regulator • Replacement TO-220 and TO-263 Designs • Efficient Pre-Regulator (5V to 2.5V, 12V to 3.3V, etc.) • On-Card Switching Regulators • Positive-to-Negative Converter (Inverting Buck-Boost) • Simple Battery Charger • Negative Boost Converter • Higher Output Current Regulator using External FET General Description The MIC4680 SuperSwitcher™ is an easy-to-use fixed or adjustable output voltage step-down (buck) switch-mode voltage regulator. The 200 kHz MIC4680 achieves up to 1.3A of continuous output current over a wide input range in a 8-lead SOIC. The MIC4680 is available in 3.3V and 5V fixed output versions or adjustable output down to 1.25V. The MIC4680 has an input voltage range of 4V to 34V, with excellent line, load, and transient response. The regulator performs cycle-by-cycle current limiting and thermal shutdown for protection under fault conditions. In shutdown mode, the regulator draws less than 2 μA of standby current. The MIC4680 SuperSwitcher regulator requires a minimum number of external components and can operate using a standard series of inductors and capacitors. Frequency compensation is provided internally for fast transient response and ease of use. Package Type 1 SHDN IN SW FB 8 GND GND GND GND 7 6 5 2 3 4 MIC4680 8-Lead SOIC (M) (Top View) 1A 200 kHz SuperSwitcher™ Buck Regulator |
同様の部品番号 - MIC4680 |
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同様の説明 - MIC4680 |
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