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LM9072S Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM9072S Datasheet(HTML) 2 Page - National Semiconductor (TI) |
2 / 15 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. Input Voltage (Continuous) −45V to 45V Input Voltage (Transient, t ≤ 400 ms) 60V Forced Output Voltages Main Output −0.3V to 7V Tracking Output −0.3V to 27V ON/OFF Input Voltage (Note 6) −0.3V to 16V ON/OFF Input Current ± 20 mA Keep Alive In, Reset Out, C DELAY Voltage −0.3V to 7V Junction Temperature 150˚C Storage Temperature Range −65˚C to +150˚C ESD Susceptibility (Note 2) 2000V Lead Temperature (Soldering, 10 seconds) 265˚C Operating Ratings (Note 1) Input Voltage Range 6V to 27V Ambient Temperature Range −40˚C to +125˚C Thermal Resistance, θ J-C 4˚C/W Thermal Resistance, θ J-A 43˚C/W Electrical Characteristics 6.0V ≤ V IN ≤ 19V, TCASE = 25˚C, unless otherwise specified. COUT ≥ 6 µF with 0.3Ω≤ ESR ≤ 3Ω on each regulator output. Symbol Parameter Conditions Min Max Units MAIN REGULATOR V MAIN Output Voltage 5 mA ≤ I LOAD ≤ 350 mA −40˚C ≤ T CASE ≤ 125˚C 4.9 5.1 V 19V ≤ V IN ≤ VSD, 5mA ≤ I LOAD ≤ 350 mA −40˚C ≤ T CASE ≤ 125˚C 4.8 5.2 V R MLOAD Load Regulation V IN = 16V, 5 mA ≤ ILOAD ≤ 350 mA 25 mV R MLINE Line Regulation I LOAD = 350 mA, 8V ≤ VIN ≤ 16V 25 mV V MDO Dropout Voltage, V IN–VMAIN V IN > 5.5V, 5 mA ≤ ILOAD ≤ 350 mA (Note 5) 0.8 V V SD Overvoltage Shutdown Threshold 30 36 V I MSC Output Short Circuit Current R L = 1Ω 450 1000 mA R MRR Ripple Rejection V IN = 9V, 50 ≤ Freq ≤ 20 kHz, V RIPPLE = 4VP-P 40 dB TRACKING REGULATOR V TRACK Output Voltage 1 mA ≤ I LOAD ≤ 80 mA −40˚C ≤ T CASE ≤ 125˚C 4.85 5.15 V 19V ≤ V IN ≤ VSD 1mA ≤ I LOAD ≤ 80 mA −40˚C ≤ T CASE ≤ 125˚C 4.725 5.275 V V ERROR Output Tracking Error (V MAIN–VTRACK) 1mA ≤ I LOAD ≤ 80 mA −50 50 mV V TDO Dropout Voltage, V IN–VTRACK V IN > 5.5V, 1 mA ≤ ILOAD ≤ 80 mA (Note 5) 0.8 V V SD Overvoltage Shutdown Threshold 30 36 V I TSC Output Short Circuit Current R L = 1Ω 200 mA V TSC Output Short Circuit Voltage No Effect On Other Functions −2 27 V R TRR Ripple Rejection V IN = 9V, 50 ≤ Freq ≤ 20 kHz, V RIPPLE = 4VP-P 40 dB INPUT CURRENT I qOFF Quiescent Input Current with Both Regulators OFF 8V ≤ V IN ≤ 16V 40 µA 16V ≤ V IN ≤ 42V 10 mA I q No Load Quiescent Current 8V ≤ V IN ≤ 19V, IL = 0mA 15 mA In ON Additional Input Current with Both Regulators ON V IN > 8V, ILtotal = ILmain +ILtrack I Ltotal = 350 mA+80mA = 430 mA 1.2 x I Ltotal Iin do Additional Input Current in Dropout 0V < V IN < 8V, (Note 4) I Ltotal = ILmain +ILtrack I Ltotal = 350 mA+80mA = 430 mA 1.5 x I Ltotal www.national.com 2 |
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