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TPS3307-25DGNRG4 датащи(PDF) 2 Page - Texas Instruments |
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TPS3307-25DGNRG4 датащи(HTML) 2 Page - Texas Instruments |
2 / 14 page www.ti.com FUNCTION/TRUTH TABLES TPS3307-18, TPS3307-25, TPS3307-33 SLVS199B – DECEMBER 1998 – REVISED OCTOBER 2004 An internal timer delays the return of the RESET output to the inactive state (high) to ensure proper system reset. The delay time, td (typ) = 200ms, starts after all SENSEn inputs have risen above the threshold voltage VIT+. When the voltage at any SENSE input drops below the threshold voltage VIT-, the RESET output becomes active (low) again. The TPS3307-xx family of devices incorporates a manual reset input, MR. A low level at MR causes RESET to become active. In addition to the active-low RESET output, the TPS3307-xx family includes an active-high RESET output. The devices are available in either 8-pin MSOP or standard 8-pin SO packages. The TPS3307-xx devices are characterized for operation over a temperature range of –40 °C to 85°C. SUPPLY VOLTAGE MONITORING NOMINAL SUPERVISED VOLTAGE THRESHOLD VOLTAGE (TYP) DEVICE SENSE1 SENSE2 SENSE3 SENSE1 SENSE2 SENSE3 TPS3307-18 3.3V 1.8V User defined 2.93V 1.68V 1.25V(1) TPS3307-25 3.3V 2.5V User defined 2.93V 2.25V 1.25V(1) TPS3307-33 5V 3.3V User defined 4.55V 2.93V 1.25V(1) (1) The actual sense voltage has to be adjusted by an external resistor divider according to the application requirements. AVAILABLE OPTIONS PACKAGED DEVICES MARKING CHIP FORM PowerPAD™ TA SMALL OUTLINE DGN PACKAGE (Y) µ-SMALL OUTLINE (D) (DGN) TPS3307-18D TPS3307-18DGN TIAAP TPS3307-18Y -40 °C to 85°C TPS3307-25D TPS3307-25DGN TIAAQ TPS3307-25Y TPS3307-33D TPS3307-33DGN TIAAR TPS3307-33Y MR SENSE1 > VIT1 SENSE2 > VIT2 SENSE3 > VIT3 RESET RESET L X(1) X(1) X L H H 0 0 0 L H H 0 0 1 L H H 0 1 0 L H H 0 1 1 L H H 1 0 0 L H H 1 0 1 L H H 1 1 0 L H H 1 1 1 H L (1) X = Don't care 2 |
Аналогичный номер детали - TPS3307-25DGNRG4 |
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Аналогичное описание - TPS3307-25DGNRG4 |
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