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TC651 Scheda tecnica(PDF) 3 Page - Microchip Technology |
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TC651 Scheda tecnica(HTML) 3 Page - Microchip Technology |
3 / 18 page 2001-2012 Microchip Technology Inc. DS21450D-page 3 TC650/TC651 1.0 ELECTRICAL CHARACTERISTICS Absolute Maximum Ratings† Input Voltage (VDD to GND) ...................................+6V Output Voltage (OUT to GND) ................................. 6V Voltage On Any Pin ....... (GND – 0.3V) to (VDD + 0.3V) Operating Temperature Range ......... –40 C to +125C Storage Temperature ........................ –65 C to +150C † Notice: Stresses above those listed under "Absolute Maxi- mum Ratings" may cause permanent damage to the device. These are stress ratings only and functional operation of the device at these or any other conditions above those indicated in the operation sections of the specifications is not implied. Exposure to Absolute Maximum Rating conditions for extended periods may affect device reliability. DC CHARACTERISTICS Electrical Specifications: Unless otherwise specified, VDD = 2.8V to 5.5V, SHDN = VDD, TA = –40C to +125C. Parameters Sym Min Typ Max Units Conditions Supply Voltage VDD 2.8 — 5.5 V Supply Current IDD —50 90 µA PWM, TOVER are open SHDN Input SHDN Input High Threshold VIH 65 — — %VDD SHDN Input Low Threshold VIL —— 15 %VDD PWM Output PWM Output Low Voltage VOL — — 0.3 V ISINK = 1 mA PWM Output High Voltage VOH VDD – 0.5 — — V ISOURCE = 5 mA PWM Rise Time tR —10 — µs IOH = 5 mA, 1 nF from PWM to GND PWM Fall Time tF —10 — µs IOL = 1 mA, 1 nF from PWM to GND PWM Frequency fOUT 10 15 — Hz Start-up Time tSTARTUP — 32/fOUT —sec VDD Rises from GND or SHDN Released Temperature Accuracy High Temperature Accuracy TH ACC TH – 3 TH TH + 3 °C Note 1 Temperature Range Accuracy (TH –TL) ACC –1.0 — +1.0 °C (TH – TL) 20C –2.5 — +2.5 °C (TH – TL) 20C Auto-shutdown Hysteresis THYST —(TH -TL)/5 — °C TC651 Only TOVER Output TOVER Output High Voltage VHIGH VDD – 0.5 — — V ISOURCE = 1.2 mA TOVER Output Low Voltage VLOW — — 0.4 V ISINK = 2.5 mA Absolute Accuracy TOVER ACC —TH + 10 — °C At Trip Point Trip Point Hysteresis TOVER HYST —5 — °C Note 1: Transition from 90% to 100% Duty Cycle. |
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