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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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HV9921 bảng dữ liệu(PDF) 2 Page - Supertex, Inc |
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HV9921 bảng dữ liệu(HTML) 2 Page - Supertex, Inc |
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2 / 10 page  HV9921/22 NR040805 2 Electrical Characteristics (The * denotes the specifications which apply over the full operating junction temperature range of -40 °C < T A < +85°C, otherwise the specifications are at TA=25°C, VDRAIN=50V, unless otherwise noted) Current Sense Comparator Symbol Parameter Min Typ Max Units Conditions ITH Threshold Current – HV9921 20.5 25.5 mA * ITH Threshold Current – HV9922 52 63 mA * TBLANK Leading Edge Blanking Delay 200 300 400 ns * TON(MIN) Minimum ON Time 650 ns OFF-Time Generator Symbol Parameter Min Typ Max Units Conditions TOFF OFF Time 8 10.5 13 µs Regulator (VDD) Symbol Parameter Min Typ Max Units Conditions VDD VDD Regulator Output 7.1 7.5 7.8 V VDRAIN VDRAIN Supply Voltage 20 V VUVLO VDD Undervoltage Threshold 5.0 V ∆VUVLO VDD Undervoltage Lockout Hysteresis 200 mV IDD Operating Supply Current 200 350 µA VDD(EXT) = 8.5V, VDRAIN = 40V Output (DRAIN) Symbol Parameter Min Typ Max Units Conditions VBR Breakdown Voltage 500 V RON ON Resistance – HV9921 110 210 Ω IDRAIN = 20mA RON ON Resistance – HV9922 100 200 Ω IDRAIN = 50mA CDRAIN Output Capacitance 1 5 pF VDRAIN = 400V ISAT MOSFET Saturation Current 100 150 mA Ordering Information Package Options DEVICE TO-92 SOT-89 HV9921 HV9921N3 HV9921N8 HV9922 HV9922N3 HV9922N8 Absolute Maximum Ratings Supply Voltage, VDD -0.3 to +10V Supply Current, IDD +5mA Operating Ambient Temperature Range -40°C to +85°C Operating Junction Temperature Range -40° to +125°C Storage Temperature Range -65° to +150°C Power Dissipation @ 25°C, TO-92 740mW Power Dissipation @ 25°C, SOT-89 1600mW † † Mounted on FR4 board, 25mm x 25mm x 1.57mm. Stresses beyond those listed under “Absolute Maximum 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 beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. |
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