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TC652XXVUA Datasheet(PDF) 3 Page - Microchip Technology |
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TC652XXVUA Datasheet(HTML) 3 Page - Microchip Technology |
3 / 16 page 2002-2012 Microchip Technology Inc. DS21452C-page 3 TC652/TC653 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) Package Thermal Resistance ( JA ) ........... 250°C/W Operating Temperature Range ......... -40°C to +125°C Storage Temperature ......................... -65°C to +150°C *Stresses above those listed under "Absolute Maximum Rat- ings" 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. Expo- sure to Absolute Maximum Rating conditions for extended periods may affect device reliability. TC652/TC653 ELECTRICAL SPECIFICATIONS Electrical Characteristics: VDD = 2.8V to 5.5V, SHDN = VDD, TA = -40C to 125C unless otherwise specified. Symbol Parameter Min Typ. Max Units Test Conditions VDD Supply Voltage 2.8 — 5.5 V IDD Supply Current — 50 90 APWM, FAULT, T OVER are open SHDN Input VIH SHDN Input High Threshold 65 — — %VDD VIL SHDN Input Low Threshold — — 15 %VDD PWM Output VOL PWM Output Low Voltage — — 0.3 V ISINK = 1mA VOH PWM Output High Voltage VDD – 0.5 — — V ISOURCE = 5mA tR PWM Rise Time — 10 — sec IOH = 5mA, 1nF from PWM to GND tF PWM Fall Time — 10 — sec IOL = 1mA, 1nF from PWM to GND fOUT PWM Frequency 10 15 — Hz tSTARTUP Start-up Time — 32/fOUT —sec VDD Rises from GND, or SHDN Released VTH (SENSE) Sense Input — 70 — mV Sense Input Threshold Voltage with Repect to Ground Temperature Accuracy TH ACC High Temperature Accuracy TH - 3 TH TH + 3 C Note 1 (TH –TL) ACC Temp. Range Accuracy -1.0 — +1.0 C(T H – TL) 20C -2.5 — +2.5 C(T H – TL) 20C THYST Auto-shutdown Hysteresis — (TH – TL)/5 — C TC653 Only FAULT Output VHIGH FAULT Output High Voltage VDD – 0.5 — — V ISOURCE = 1.2mA VLOW FAULT Output Low Voltage — — 0.4 V ISINK = 2.5mA tmp Missing Pulse Detector Time-out — — 32/fOUT Sec TOVER Output VHIGH TOVER Output High Voltage VDD – 0.5 — — V ISOURCE = 1.2mA VLOW TOVER Output Low Voltage — — 0.4 V ISINK = 2.5mA TOVER ACC Absolute Accuracy — TH + 10 — °C At Trip Point TOVER HYST Trip Point Hysteresis — 5 — °C Note 1: Transition from 90% to 100% Duty Cycle. |
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