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LP3981ILD-3.03 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LP3981ILD-3.03 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 11 page Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. V IN,VEN −0.3 to 6.5V V OUT,VOUT-SENSE −0.3 to V IN + 0.3, Max 6.5V Junction Temperature 150˚C Storage Temperature −65˚C to +150˚C Lead Temp. Pad Temp. Power Dissipation (Note 3) θ JA (MSOP-8) θ JA (LLP-6) 210˚C/W 50˚C/W Maximum Power Dissipation at 25˚C MSOP-8 LLP-6 595mW 2.5W ESD Rating(Note 4) Human Body Model Machine Model 2kV 200V Operating Ratings (Notes 1, 2) V IN 2.7 to 6V V EN 0toV IN Junction Temperature −40˚C to +125˚C Maximum Power Dissipation (Note 5) MSOP-8 LLP-6 476mW 2.0W Electrical Characteristics Unless otherwise specified: V EN = 1.2V, VIN =VOUT + 0.5V, CIN = 2.2 µF, CBP = 0.033 µF, IOUT = 1mA, COUT = 2.2 µF. Typi- cal values and imits appearing in standard typeface are for T J = 25˚C. Limits appearing in boldface type apply over the entire junction temperature range for operation, −40˚C to +125˚C. (Notes 6, 7) Symbol Parameter Conditions Typ Limit Units Min Max ∆V OUT Output Voltage Tolerance −2 −3 2 3 %of V OUT(nom) Line Regulation Error V IN =VOUT + 0.5V to 6.0V, TA < +85˚C 0.005 −0.1 0.1 %/V V IN =VOUT + 0.5V to 6.0V, TJ ≤125˚C −0.2 0.2 %/V Load Regulation Error (Note 8) I OUT = 1 mA to 300 mA 0.0003 0.005 %/mA PSRR Power Supply Rejection Ratio (Note 10) V IN =VOUT(nom) + 1V, f = 1 kHz, I OUT = 50mA(Figure 2) 50 dB V IN =VOUT(nom) + 1V, f = 10 kHz, I OUT = 50mA(Figure 2) 55 I Q Quiescent Current V EN = 1.2V, IOUT = 1 mA 70 120 µA V EN = 1.2V, IOUT = 1 to 300 mA, V OUT = 2.5V(Note 12) 170 210 V EN = 0.4V 0.003 1.5 Dropout Voltage (Note 9) I OUT =1mA 0.5 5 mV I OUT = 200 mA 88 133 I OUT = 300 mA 132 200 I SC Short Circuit Current Limit Output Grounded (Steady State) 600 mA e n Output Noise Voltage BW = 10 Hz to 100 kHz, C BP = 0.033µF 35 µVrms TSD Thermal Shutdown Temperature 160 ˚C Thermal Shutdown Hysteresis 20 ˚C I OUT(PK) Peak Output Current V OUT ≥ V OUT (nom) - 5% 455 300 I EN Maximum Input Current at V EN V EN = 0 and VIN 0.001 µA V IL Logic Low Input threshold V IN = 2.7 to 6.0V 0.4 V V IH Logic High Input threshold V IN = 2.7 to 6.0V 1.4 V www.national.com 4 |
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