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TC646B Fiches technique(PDF) 4 Page - Microchip Technology |
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TC646B Fiches technique(HTML) 4 Page - Microchip Technology |
4 / 36 page TC646B/TC648B/TC649B DS21755C-page 4 2002-2013 Microchip Technology Inc. TEMPERATURE SPECIFICATIONS Pulse-Width Modulator PWM Frequency fPWM 26 30 34 Hz CF = 1.0 µF SENSE Input (TC646B & TC649B) SENSE Input Threshold Voltage with Respect to GND VTH(SENSE) 50 70 90 mV Blanking time to ignore pulse due to VOUT turn-on tBLANK — 3.0 — µsec FAULT / OTF Output Output Low Voltage VOL —— 0.3 V IOL = 2.5 mA Missing Pulse Detector Timer tMP — 32/f — sec TC646B and TC649B, Note 2 Start-up Timer tSTARTUP — 32/f — sec Note 2 Diagnostic Timer tDIAG — 3/f — sec TC646B and TC649B ELECTRICAL CHARACTERISTICS (CONTINUED) Electrical Specifications: Unless otherwise specified, all limits are specified for -40°C < TA < +85°C, VDD = 3.0V to 5.5V. Parameters Sym Min Typ Max Units Conditions Note 1: Ensured by design, tested during characterization. 2: For VDD < 3.7V, tSTARTUP and tMP timers are typically 13/f. Electrical Characteristics: Unless otherwise noted, all parameters apply at VDD = 3.0V to 5.5V Parameters Sym Min Typ Max Units Conditions Temperature Ranges Specified Temperature Range TA -40 — +85 °C Operating Temperature Range TA -40 — +125 °C Storage Temperature Range TA -65 — +150 °C Thermal Package Resistances Thermal Package Resistance, 8-Pin MSOP JA — 200 — °C/W Thermal Package Resistance, 8-Pin SOIC JA — 155 — °C/W Thermal Package Resistance, 8-Pin PDIP JA — 125 — °C/W |
Numéro de pièce similaire - TC646B_13 |
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Description similaire - TC646B_13 |
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