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TC670 Datasheet(PDF) 2 Page - Microchip Technology |
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TC670 Datasheet(HTML) 2 Page - Microchip Technology |
2 / 14 page TC670 DS21688C-page 2 2003 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings† VDD...................................................................................6.0V All Inputs and Outputs. ............ (GND − 0.3V) to (VDD + 0.3V) Output Short-Circuit Current .................................continuous Current at Input Pin ................................................... +/-2 mA Current at Output Pin .............................................. +/-25 mA Junction Temperature, TJ ............................................. 150°C ESD protection on all pins ..................................................≥ 4kV Operating Temperature Range........................-40°C to +85°C Storage Temperature Range.........................-55°C to +150°C † Notice: Stresses above those listed under "Maximum Ratings" may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for extended periods may affect device reliability. TABLE 1-1: PIN FUNCTION TABLE DC CHARACTERISTICS Symbol Description THRESHOLD Analog Input GND Ground Terminal CLEAR Digital Input VDD Bias Supply Input ALERT Digital (Open-Drain) Output SENSE Analog Input Electrical Specifications: Unless otherwise specified, all limits are specified at +25°C, VDD = 3.0V to 5.5V, CLEAR = Low. Boldface type specifications apply for temperature range of -40°C to +85°C. Parameters Sym Min Typ Max Units Conditions Power Supply Supply Voltage VDD 3.0 — 5.5 V Supply Current IDD —90 150 µA CLEAR Input Logic Input High Level VIH 0.8VDD —— V Logic Input Low Level VIL —— 0.2VDD V SENSE Input Input Level Threshold Voltage VTH(SENSE) —124 —mV Input Resistance RSENSE —50 — k Ω THRESHOLD Input Input Voltage Minimum — 0.0 — V Input Voltage Maximum — 2.4 — V Input Resistance — 100 — M Ω Programmed Fan Speed Alert Accuracy (Note 1) ALERTACC -10 — +10 % VDD = 3.0V ALERT Output Output Low Voltage VLOW —— 0.3 VISINK = 2.5 mA Output Delay Time tDELAY —176 — ms Temperature Ranges Specified Temperature Range TA -40 — +85 °C Operating Temperature Range TA -40 — +125 °C Thermal Package Resistances Thermal Resistance, 6L-SOT-23 θJA —230 — °C/W Note 1: The TC670 will operate properly over the entire power supply range of 3.0V to 5.5V. As VDD varies from 3.0V, accuracy will degrade based on the percentage of VDD, as shown in Section 2.0, “Typical Performance Curves”. |
Similar Part No. - TC670_03 |
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Similar Description - TC670_03 |
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