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LR8K4-G Datasheet(PDF) 2 Page - Supertex, Inc |
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LR8K4-G Datasheet(HTML) 2 Page - Supertex, Inc |
2 / 9 page ![]() 2 LR8 Ordering Information DEVICE Package Option TO-243AA TO-252 TO-92 LR8 LR8N8-G LR8K4-G LR8N3-G -G indicates package is RoHS compliant (‘Green’) Absolute Maximum Ratings Parameter Value V IN input voltage (voltages ref to ADJ) -0.5V to +480V Output voltage range -0.5V to +470V Operating ambient temperature range -40°C to +85°C Operating junction temperature range -40°C to +125°C Storage temperature range -65°C to +150°C 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. Pin Configurations Electrical Characteristics (Test conditions unless otherwise specified: -40°C < TA < 85°C.) TO-252 (D-PAK) (top view) V OUT V IN ADJ TO-243AA (SOT-89) (top view) V IN V OUT ADJ V OUT V IN V OUT ADJ TO-92 (front view) Product marking for TO-243AA: where = 2-week alpha date code LR8 Symbol Parameter Min Typ Max Units Conditions V IN - VOUT Input to output voltage difference 12 - 450 V --- V OUT Overall output voltage regulation 1.14 1.20 1.26 V 13.2V < V IN< 400V, R1 = 2.4KΩ, R2 = 0 V OUT Overall output voltage regulation 375 400 425 V R1 = 2.4KΩ, R2 = 782KΩ ΔV OUT Line regulation - 0.003 0.01 %/V 17V < V IN< 400V, VOUT = 5V, I OUT = 0.5mA ΔV OUT Load regulation - 1.4 3.0 % V IN = 17V, VOUT = 5V, 0.5mA <I OUT< 10mA ΔV OUT Temperature regulation -1 - +1 % V IN = 17V, VOUT = 5V, IOUT = 10mA, -40°C < T A < 85°C I OUT Output current limit 10 - 30 mA T J < 85°C, VIN - VOUT = 12V I OUT Output current limit - - 0.5 mA T J > 125°C, VIN - VOUT = 450V I OUT Minimum output current - 0.3 0.5 mA Includes R1 and load current I ADJ Adjust output current 5 10 15 µA --- C2 Minimum output load capacitance 1 - - µF --- DV OUT/DVIN Ripple rejection ratio 50 60 - dB 120Hz, V OUT = 5V T LIMIT Junction temperature limit 125 - - °C --- Product Marking |
Similar Part No. - LR8K4-G |
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Similar Description - LR8K4-G |
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