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TC6501P045VCTTR 数据表(PDF) 5 Page - Microchip Technology |
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TC6501P045VCTTR 数据表(HTML) 5 Page - Microchip Technology |
5 / 17 page 2004 Microchip Technology Inc. DS21451D-page 5 TC6501/2/3/4 3.0 PIN DESCRIPTIONS The descriptions of the pins are listed in Table 3-1. TABLE 3-1: PIN FUNCTION TABLE 3.1 Ground Connect the device ground pins directly to the PCB ground and minimize the length of the connection. The thermal resistance to the die is at a minimum at Pin 2. 3.2 Hysteresis Input (HYST) Either 2°C (GND) or 10°C (VCC) of hysteresis is selected by connecting HYST to GND or VCC. 3.3 Supply Input (VCC) A 100 pF or greater decoupling capacitor from VCC to GND is recommended. 3.4 Open-Drain, Active-Low Output (TC6501) (TOVER) The voltage at the TOVER pin is equal to a logic-low level if the sensor detects a temperature that is greater than the factory-programmed threshold temperature. Because this is an open-drain output, an external pull- up resistor is required (a 100 k Ω pull-up resistor is recommended). The voltage on this pin can be higher than VCC, though the voltage must not exceed the absolute maximum input voltage of 7.0V. 3.5 Push/Pull Active-High Output (TC6502) (TOVER) The voltage at TOVER is equal to a logic-high level if the sensor detects a temperature greater than the factory- programmed threshold temperature. 3.6 Open-Drain, Active-Low Output (TC6503) (TUNDER) The voltage at the TUNDER pin is equal to a logic-low level if the sensor detects a temperature that is less than the factory-programmed threshold temperature. Because this is an open-drain output, an external pull- up resistor is required (a 100 k Ω pull-up resistor is recommended). The voltage on this pin can be higher than VCC, though the voltage must not exceed the absolute maximum input voltage of 7.0V 3.7 Push/Pull Active-High Output (TC6504) (TUNDER) The voltage at TUNDER is equal to a logic-high level if the sensor detects a temperature less than the factory- programmed threshold temperature. TC6501 TC6502 TC6503 TC6504 Symbol Description 1, 2 1, 21, 21, 2GND Ground 3 3 3 3 HYST Hysteresis Input 44 4 4 VCC Supply Input (+2.7V to +5.5V) 5 ——— TOVER Open-Drain, Active-Low Output —5 —— TOVER Push/Pull Active-High Output —— 5 — TUNDER Open-Drain, Active-Low Output —— — 5 TUNDER Push/Pull Active-High Output |
类似零件编号 - TC6501P045VCTTR |
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类似说明 - TC6501P045VCTTR |
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