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HV9921 Datasheet(PDF) 4 Page - Microchip Technology |
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HV9921 Datasheet(HTML) 4 Page - Microchip Technology |
4 / 19 page HV9921/HV9922/HV9923 DS20005311A-page 4 2014 Microchip Technology Inc. 1.0 ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS Supply Voltage VDD................................-0.3V to +10V Supply Current IDD ..............................................+5mA Operating Ambient temperature ...........-40°C to +85°C Operating Junction Temperature ........-40°C to +125°C Storage temperature ..........................-65°C to +150°C Power dissipation @+25°C for TO-92 .............740 mW Power dissipation @+25°C for SOT-89....... 1600 mW* * Mounted on FR4 board, 24mmx25mmx1.57mm Note: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other condi- tions, above those indicated in the operational listings of this specification, is not implied. Exposure to maxi- mum rating conditions for extended periods may affect device reliability. 1.1 ELECTRICAL SPECIFICATIONS TABLE 1-1: ELECTRICAL CHARACTERISTICS1 Symbol Parameter Notes Min Typ Max Units Conditions Regulator (VDD) VDD VDD Regulator Output - - 7.5 - V VDRAIN VDRAIN Supply Voltage - 20 - - V VUVLO VDD Under-voltage Threshold - 5.0 - - V ΔVUVLO VDD Under-voltage Lockout Hysteresis - - 200 - mV IDD Operating Supply Current - - 200 350 μA VDD(EXT) = 8.5V, VDRAIN = 40V Output (DRAIN) VBR Breakdown Voltage 2 475 - - V RON ON Resistance - - - 210 Ω IDRAIN= 20mA (HV9921) IDRAIN= 50mA (HV9922) IDRAIN= 30mA (HV9923) CDRAIN Output Capacitance 3 -1 5 pF VDRAIN = 400V ISAT MOSFET Saturation Current 3 100 150 - mA Current Sense Comparator ITHL Threshold Current - HV9921 2 18.5 - 25.5 mA Threshold Current - HV9922 2 49 - 63 mA Threshold Current - HV9923 2 28.2 - 38.2 mA TBLANK Leading Edge Blanking Delay 2, 3 200 300 400 ns TON(MIN) Minimum ON Time - - - 650 ns OFF-Time Generator TOFF OFF Time - 8 10.5 13 μS 1 Specifications are TA = 25°C, VDRAIN = 50V unless otherwise noted. 2 Applies over the full operating ambient temperature range of -40°C < TA < +125°C. 3 For design guidance only |
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