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TC622COA 데이터시트(PDF) 3 Page - TelCom Semiconductor, Inc |
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TC622COA 데이터시트(HTML) 3 Page - TelCom Semiconductor, Inc |
3 / 3 page 2-23 TELCOM SEMICONDUCTOR, INC. 7 6 5 4 3 1 2 8 Hysteresis To prevent output "chattering" at the trip point tempera- ture, the temperature detector in the TC622/624 has 2 °C of hysteresis (See Figure 1). The outputs are driven active when the temperature crosses the setpoint determined by the external resistor. As temperature declines below the setpoint, the hysteresis action will hold the outputs true until the temperature drops 2 °C below the threshold. SET POINT TEMPERATURE OUT (SET POINT - 2 DEGREE C) OUT Figure 1. TC622/624 Hysteresis PIN CONFIGURATIONS 8-Pin DIP 8-Pin SOIC GND NC OUT OUT NC NC VDD VDD GND NC T SET T SET NC OUT OUT NC GND NC OUT OUT NC NC VDD T SET GND NC OUT OUT NC NC VDD T SET 12 3 4 5 TC622EAT TC622VAT 8 7 6 5 1 2 3 4 1 8 2 7 3 6 4 5 8 7 6 5 1 2 3 4 1 8 2 7 3 6 4 5 TC622CPA TC622EPA TC622VPA TC624CPA TC624EPA TC624VPA TC622COA TC622EOA TC622VOA TC624COA TC624EOA TC624VOA 8-Pin DIP 8-Pin SOIC 5-Pin TO-220 NOTE: For TO-220 Package, Pin 3 is connected to case heatsink. LOW COST, SINGLE TRIP POINT TEMPERATURE SENSOR TC622 TC624 |
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