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LM2940T-12.0 数据表(PDF) 7 Page - Texas Instruments |
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LM2940T-12.0 数据表(HTML) 7 Page - Texas Instruments |
7 / 37 page LM2940-N, LM2940C www.ti.com SNVS769J – MARCH 2000 – REVISED DECEMBER 2014 Electrical Characteristics (9 V and 10 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. 9 V 10 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 ≤ 100 ms transient LM2940C 45 55 TJ = 25°C ROUT = 100 Ω LM2940-N –15 –30 –15 –30 Reverse polarity V ROUT = 100 Ω –15 –30 DC input voltage LM2940C TJ = 25°C Reverse polarity LM2940-N –50 –75 –50 –75 Transient Input ROUT = 100 Ω, T ≤ 100 ms V LM2940C –45 –55 Voltage (1) Output current will decrease with increasing temperature but will not drop below 1 A at the maximum specified temperature. 6.7 Electrical Characteristics (12 V and 15 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. 12 V 15 V PARAMETER TEST CONDITIONS UNIT MIN TYP MAX MIN TYP MAX Input voltage 5 mA ≤ IOUT ≤ 1 A 13.6 26 16.75 26 5 mA ≤ IOUT ≤ 1A 11.40 12 12.6 14.25 15 15.75 V Output voltage 5 mA ≤ IOUT ≤ 1A, TJ = 25°C 11.64 12 12.36 14.55 15 15.45 VOUT + 2 V ≤ VIN ≤ 26 V, IOUT = 5 mA Line regulation 20 120 20 150 mV TJ = 25°C 50 mA ≤ IOUT ≤ 1 A LM2940-N 55 200 Load regulation 50 mA ≤ IOUT ≤ 1 A LM2940-N 55 120 mV TJ = 25°C LM2940C 55 120 70 150 Output 100 mADC, 20 mArms, ƒOUT = 120 Hz 80 100 m Ω impedance VOUT + 2 V ≤ VIN ≤ 26 V, LM2940-N 10 20 IOUT = 5 mA VOUT + 2 V ≤ VIN ≤ 26 V, LM2940-N 10 15 IOUT = 5 mA Quiescent current LM2940C 10 15 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 360 450 µVrms voltage ƒOUT = 120 Hz, 1 Vrms, IOUT = LM2940-N 48 66 100 mA Ripple rejection dB ƒOUT = 120 Hz, 1 Vrms, IOUT = LM2940-N 54 66 100 mA LM2940C 54 66 52 64 TJ = 25°C Long-term mV/1000 48 60 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 Copyright © 2000–2014, Texas Instruments Incorporated Submit Documentation Feedback 7 Product Folder Links: LM2940-N LM2940C |
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类似说明 - LM2940T-12.0 |
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