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LM2940CS-12 Datenblatt(PDF) 6 Page - Texas Instruments |
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LM2940CS-12 Datenblatt(HTML) 6 Page - Texas Instruments |
6 / 37 page LM2940-N, LM2940C SNVS769J – MARCH 2000 – REVISED DECEMBER 2014 www.ti.com Electrical Characteristics (5 V and 8 V) (continued) Unless otherwise specified: VIN = VOUT + 5 V, IOUT = 1 A and COUT = 22 µF. MIN (minimum) and MAX (maximum) limits apply over the recommended operating temperature range, unless otherwise noted; typical limits apply for TA = TJ = 25°C. 5 V 8 V PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX Short-circuit See(1), TJ = 25°C 1.6 1.9 1.6 1.9 A current ROUT = 100Ω, T ≤ 100 ms LM2940-N 60 75 60 75 Maximum line V ROUT = 100Ω, T ≤ 1 ms transient LM2940C 45 55 45 555 TJ = 25°C ROUT = 100 Ω LM2940-N –15 –30 –15 –30 Reverse polarity V ROUT = 100 Ω DC input voltage LM2940C –15 –30 –15 –30 TJ = 25°C Reverse polarity ROUT = 100 Ω, T ≤ 100 ms LM2940-N –50 –75 –50 –75 Transient Input V ROUT = 100 Ω, T ≤ 1 ms LM2940C –45 –55 Voltage (1) Output current will decrease with increasing temperature but will not drop below 1 A at the maximum specified temperature. 6.6 Electrical Characteristics (9 V and 10 V) Unless otherwise specified: VIN = VOUT + 5 V, IOUT = 1 A and COUT = 22 µF. MIN (minimum) and MAX (maximum) limits apply over the recommended operating temperature range, unless otherwise noted; typical limits apply for TA = TJ = 25°C. 9 V 10 V PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX Input voltage 5 mA ≤ IOUT ≤ 1 A 10.5 26 11.5 26 5 mA ≤ IOUT ≤ 1A 8.55 9 9.45 9.5 10 10.5 V Output voltage 5 mA ≤ IOUT ≤ 1A, TJ = 25°C 8.73 9 9.27 9.7 10 10.3 VOUT + 2 V ≤ VIN ≤ 26 V, IOUT = 5 mA Line regulation 20 90 20 100 mV TJ = 25°C 50 mA ≤ IOUT ≤ 1 A LM2940-N 60 150 65 165 Load regulation 50 mA ≤ IOUT ≤ 1 A LM2940-N 60 90 65 100 mV TJ = 25°C LM2940C 60 90 Output 100 mADC, 20 mArms, ƒOUT = 120 Hz 60 65 m Ω impedance VOUT + 2 V ≤ VIN ≤ 26 V, LM2940-N 10 20 10 20 IOUT = 5 mA VOUT + 2 V ≤ VIN ≤ 26 V, LM2940-N 10 15 15 IOUT = 5 mA Quiescent current LM2940C 10 15 mA TJ = 25°C VIN = VOUT + 5 V, IOUT = 1 A 30 60 30 60 VIN = VOUT + 5 V, IOUT = 1 A 30 45 30 45 TJ = 25°C Output noise 10 Hz to 100 kHz, IOUT = 5 mA 270 300 µVrms voltage ƒOUT = 120 Hz, 1 Vrms LM2940-N 46 64 45 63 IOUT = 100 mA Ripple rejection dB ƒOUT = 120 Hz, 1 Vrms LM2940-N 52 64 51 63 IOUT = 100 mA LM2940C 52 64 TJ = 25°C Long-term mV/1000 34 36 stability Hr IOUT = 1A 0.5 1 0.5 1 V IOUT = 1A, TJ = 25°C 0.5 0.8 0.5 0.8 Dropout voltage IOUT = 100 mA 110 200 110 200 mV IOUT = 100 mA, TJ = 25°C 110 150 110 150 6 Submit Documentation Feedback Copyright © 2000–2014, Texas Instruments Incorporated Product Folder Links: LM2940-N LM2940C |
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