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LM2990T-5.0 数据表(PDF) 3 Page - National Semiconductor (TI) |
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LM2990T-5.0 数据表(HTML) 3 Page - National Semiconductor (TI) |
3 / 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. Input Voltage −26V to +0.3V ESD Susceptibility (Note 2) 2 kV Power Dissipation (Note 3) Internally Limited Junction Temperature (T Jmax) 125˚C Storage Temperature −65˚C to +150˚C Lead Temperature (Soldering, 10 sec.) 260˚C Operating Ratings(Note 1) Junction Temperature Range (T J) −40˚C to +125˚C Maximum Input Voltage (Operational) −26V Electrical Characteristics V IN = −5V+VO(NOM) (Note 6) , IO = 1A, CO = 47 µF, unless otherwise specified. Boldface limits apply over the entire operat- ing temperature range, −40˚C ≤ T J ≤ 125˚C, all other limits apply for TJ = 25˚C. LM2990-5.0 LM2990-5.2 Units (Limit) Parameter Conditions Typ Limit Typ Limit (Note 4) (Note 5) (Note 4) (Note 5) Output Voltage (V O)5 mA ≤ IO ≤ 1A −5 −4.90 −5.2 −5.10 V (max) −5.10 −5.30 mV (min) V 5mA ≤ I O ≤ 1A −4.75 −4.94 V (max) −5.25 −5.46 V (min) Line Regulation I O = 5 mA, 4 40 4 40 mV (max) V O(NOM) −1V > VIN > −26V Load Regulation 50 mA ≤ I O ≤ 1A 1 40 1 40 mV (max) Dropout Voltage I O = 0.1A, ∆VO ≤ 100 mV 0.1 0.3 0.1 0.3 V (max) I O = 1A, ∆VO ≤ 100 mV 0.6 1 0.6 1 V (max) Quiescent Current (I q)IO ≤ 1A 1515 mA (max) I O = 1A, VIN = VO(NOM) 9 50 9 50 mA (max) Short Circuit Current R L = 1Ω (Note 7) 1.8 1.5 1.8 1.5 A (min) Maximum Output Current (Note 7) 1.8 1.5 1.8 1.5 A (min) Ripple Rejection V ripple = 1Vrms, 58 50 58 50 dB (min) ƒ ripple = 1 kHz, IO = 5mA Output Noise Voltage 10 Hz–100 kHz, I O = 5 mA 250 750 250 750 µV (max) Long Term Stability 1000 Hours 2000 2000 ppm Electrical Characteristics V IN = −5V+VO(NOM) (Note 6) , IO = 1A, CO = 47 µF, unless otherwise specified. Boldface limits apply over the entire operat- ing temperature range, −40˚C ≤ T J ≤ 125˚C, all other limits apply for TJ = 25˚C. LM2990-12 LM2990-15 Units (Limit) Parameter Conditions Typ Limit Typ Limit (Note 4) (Note 5) (Note 4) (Note 5) Output Voltage (V O)5 mA ≤ IO ≤ 1A −12 −11.76 −15 −14.70 V (max) −12.24 −15.30 V (min) V 5mA ≤ I O ≤ 1A −11.40 −14.25 V (max) −12.60 −15.75 V (min) Line Regulation I O = 5 mA, 6 60 6 60 mV (max) V O(NOM) −1V > VIN > −26V Load Regulation 50 mA ≤ I O ≤ 1A 3 50 3 50 mV (max) Dropout Voltage I O = 0.1A, ∆VO ≤ 100 mV 0.1 0.3 0.1 0.3 V (max) I O = 1A, ∆VO ≤ 100 mV 0.6 1 0.6 1 V (max) Quiescent Current (I q)IO ≤ 1A 1515 mA (max) I O = 1A, VIN = VO(NOM) 9 50 9 50 mA (max) www.national.com 3 |
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