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LM2984T Datasheet(PDF) 2 Page - National Semiconductor (TI) |
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LM2984T Datasheet(HTML) 2 Page - National Semiconductor (TI) |
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2 / 16 page  Absolute Maximum Ratings (Note 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Input Voltage Survival Voltage (<100 ms) 60V Operational Voltage 26V Internal Power Dissipation Internally Limited Operating Temperature Range (T A) −40˚C to +125˚C Maximum Junction Temperature (Note 3) 150˚C Storage Temperature Range −65˚C to +150˚C Lead Temperature (Soldering, 10 sec.) 230˚C ESD Susceptability (Note 5) 2000V Electrical Characteristics V IN = 14V, IOUT = 5 mA, COUT = 10 µF, unless otherwise indicated. Boldface type refers to limits over the entire operating temperature range, −40˚C ≤ T A ≤ +125˚C, all other limits are for TA = Tj = 25˚C (Note 8) . Parameter Conditions Typical Limit Units (Note 4) V OUT (Pin 11) Output Voltage 5 mA ≤ I O ≤ 500 mA 5.00 4.85/4.75 V min 6V ≤ V IN ≤ 26V 5.15/5.25 V max Line Regulation 9V ≤ V IN ≤ 16V 2 25/25 mV max 7V ≤ V IN ≤ 26V 5 50/50 mV max Load Regulation 5 mA ≤ I OUT ≤ 500 mA 12 50/50 mV max Output Impedance 250 mA dc and 10 mArms,24 m Ω f o = 120 Hz Quiescent Current I OUT = 500 mA 38 100/100 mA max I OUT = 250 mA 14 50/50 mA max Output Noise Voltage 10 Hz–100 kHz, I OUT = 100 mA 100 µV Long Term Stability 20 mV/1000 hr Ripple Rejection f o = 120 Hz 70 60/50 dB min Dropout Voltage I OUT = 500 mA 0.53 0.80/1.1 V max I OUT = 250 mA 0.28 0.50/0.70 V max Current Limit 0.92 0.75/0.60 A min Maximum Operational Continuous DC 32 26/26 V min Input Voltage Maximum Line Transient V OUT ≤ 6V, ROUT = 100Ω,T ≤ 100 ms 65 60/60 V min Reverse Polarity V OUT ≥ −0.6V, ROUT = 100Ω −30 −15/−15 V min Input Voltage DC Reverse Polarity Input T ≤ 100 ms, R OUT = 100Ω −55 −35/−35 V min Voltage Transient Electrical Characteristics V IN = 14V, Ibuf = 5 mA, Cbuf = 10 µF, unless otherwise indicated. Boldface type refers to limits over the entire operating tem- perature range, −40˚C ≤ T A ≤ +125˚C, all other limits are for TA = Tj = 25˚C (Note 8) . Parameter Conditions Typical Limit Units (Note 4) V buffer (Pin 10) Output Voltage 5 mA ≤ I O ≤ 100 mA 5.00 4.85/4.75 V min 6V ≤ V IN ≤ 26V 5.15/5.25 V max Line Regulation 9V ≤ V IN ≤ 16V 2 25/25 mV max 7V ≤ V IN ≤ 26V 5 50/50 mV max Load Regulation 5 mA ≤ I buf ≤ 100 mA 15 50/50 mV max Output Impedance 50 mA dc and 10 mArms, 200 m Ω f O = 120 Hz Quiescent Current I buf = 100 mA 8.0 15/15 mA max www.national.com 2 |
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