поискавой системы для электроныых деталей |
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TS2580 датащи(PDF) 3 Page - Taiwan Semiconductor Company, Ltd |
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TS2580 датащи(HTML) 3 Page - Taiwan Semiconductor Company, Ltd |
3 / 5 page TS2580 2A / 52KHz Buck Switching Regulator 3/5 Version: B11 Pin Function Description VIN This is the positive input supply for the IC switching regulator. A suitable input bypass capacitor must be presented at this pin to minimize voltage transients and to supply the switching currents needed by the regulator. Ground Circuit ground SW Output Internal switch. The voltage at this pin switches between (+Vcc – Vsat) and approximately – 0.5V, with a duty cycle of approximately Vout / Vcc. To minimize coupling to sensitive circuitry, the PC board copper area connected to this pin should be minimized. Adjustable Adjustment Input Enable Allows the switching regulator circuit to be shutdown using logic level signals thus dropping the total input supply current to approximately 100uA. Pulling this pin below a threshold voltage of approximately 1.3V turns the regulator on, and pulling this pin above 1.3V (up to a maximum of Vcc) shuts the regulator down. If this shutdown feature is not needed, the EN pin can be wired to the ground pin. Typical Application Circuit 1. Adjustable output voltage version Resistor select for output voltage setting Vout R1 R2 5V 4.7K 1.5K 5.6K 1.8K 3.3V 2.5K 1.5K 3.0K 1.8K 2.5V 1.8K 1.8K 1.8V 0.82K 1.8K L1 recommend value (IOUT=2A) Vout 2.5V 3.3V 5V 12V VIN=12V 120uH 120uH 120uH NA VIN=24V 120uH 120uH 120uH 150uH |
Аналогичный номер детали - TS2580 |
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Аналогичное описание - TS2580 |
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