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LM5020SDX-1 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM5020SDX-1 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 12 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V IN to GND -0.3V to 100V V CC to GND -0.3V to 16V RT to GND -0.3V to 5.5V All other pins to GND -0.3V to 7V Power Dissipation Internally Limited ESD Rating (Note 2) Human Body Model 2kV Storage Temperature -55˚C to +150˚C Junction Temperature 150˚C Operating Ratings V IN Voltage 13V to 90V External Voltage applied to V CC 8V to 15V Operating Junction Temperature -40˚C to +125˚C Electrical Characteristics Specifications in standard type face are for T J= +25˚C and those in boldface type apply over the full operating junction tem- perature range. Unless otherwise specified: V IN = 48V, VCC = 10V, and RT = 31.6K Ω Symbol Parameter Conditions Min Typ Max Units Startup Regulator V CCReg V CC Regulation Open ckt 7.4 7.7 8.0 V V CC Current Limit (Note 4) 15 22 mA I-V IN Startup Regulator Leakage V IN = 100V 150 500 µA I IN Shutdown Current V UVLO = 0V, VCC = open 250 350 µA V CC Supply V CC UVLO (Rising) VccReg - 300mV VccReg - 100mV V V CC UVLO (Falling) 5.3 6.0 6.7 V I CC Supply Current Cload = 0 2 3 mA Error Amplifier GBW Gain Bandwidth 4 MHz DC Gain 75 dB Input Voltage V FB = COMP 1.225 1.25 1.275 V COMP Sink Capability V FB = 1.5V COMP= 1V 5 17 mA Line UVLO Shutdown Shutdown Threshold 1.225 1.25 1.275 V Undervoltage Shutdown Hysteresis Current Source 16 20 24 µA Current Limit ILIM Delay to Output CS step from 0 to 0.6V Time to onset of OUT Transition (90%) 30 ns CS Cycle by Cycle CS Threshold Voltage 0.45 0.5 0.55 V Leading Edge Blanking Time 50 ns CS Sink Impedance (clocked) 35 55 Ω Soft Start Softstart Current Source 7 10 13 µA Softstart to COMP Offset 0.35 0.55 0.75 V www.national.com 4 |
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Similar Description - LM5020SDX-1 |
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