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TC646EUA Datasheet(PDF) 4 Page - Microchip Technology |
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TC646EUA Datasheet(HTML) 4 Page - Microchip Technology |
4 / 28 page TC646 DS21446C-page 4 2002 Microchip Technology Inc. VIN, VAS Inputs VC(MAX),VOTF Voltage at VIN for 100% Duty Cycle and Overtemp. Fault 2.5 2.65 2.8 V VC(SPAN) VC(MAX) - VC(MIN) 1.3 1.4 1.5 V VAS Auto-shutdown Threshold VC(MAX) ~ VC(SPAN) — VC(MAX) V VSHDN Voltage Applied to VIN to ensure Reset/Shutdown —— VDD x 0.13 V VREL Voltage Applied to VIN to Release Reset Mode VDD x 0.19 — — V VDD = 5V, See Figure 5-11 VHYST Hysteresis on VSHDN, VREL —0.01 x VDD —V VHAS Hysteresis on Auto-shutdown Comparator —70 — mV Pulse Width Modulator FOSC PWM Frequency 26 30 34 Hz CF = 1.0 µF DC ELECTRICAL SPECIFICATIONS (CONTINUED) Electrical Characteristics: Unless otherwise specified, TMIN ≤ TA ≤ TMAX, VDD = 3.0V to 5.5V Symbol Parameter Min Typ Max Units Test Conditions Note 1: Ensured by design, not tested. |
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