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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LM138 датащи(PDF) 3 Page - Linear Technology |
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LM138 датащи(HTML) 3 Page - Linear Technology |
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3 / 14 page  LT138A/LT338A LM138/LM338 3 138afd For more information www.linear.com/LT138A elecTrical characTerisTics SYMBOL PARAMETER CONDITIONS MIN LT138A TYP MAX MIN LM138 TYP MAX UNITS VREF Reference Voltage IOUT = 10mA, TJ = 25°C 1.238 1.250 1.262 V 3V ≤ (VIN – VOUT) ≤ 35V, 10mA ≤ IOUT ≤ 5A, P ≤ 50W l 1.225 1.250 1.270 1.119 1.24 1.29 V ΔVOUT ΔVIN Line Regulation 3V ≤ (VIN – VOUT) ≤ 35V, (Note 3) l 0.005 0.02 0.01 0.04 0.005 0.02 0.01 0.04 %/V %/V ΔVOUT ΔVOUT Load Regulation 10mA ≤ IOUT ≤ 5A, (Note 3) VOUT ≤ 5V VOUT ≥ 5V 5 0.1 15 0.3 5 0.1 15 0.3 mV % VOUT ≤ 5V VOUT ≥ 5V l l 20 0.3 30 0.6 20 0.3 30 0.6 mV % Thermal Regulation 20ms Pulse 0.002 0.01 0.002 0.01 %/W Ripple Rejection VOUT = 10V, f = 120Hz CADJ = 0µF CADJ = 10µF l l 60 60 75 60 60 75 dB dB IADJ Adjust Pin Current l 45 100 45 100 µA ΔIADJ Adjust Pin Current Change 10mA ≤ IOUT ≤ 5A, 3V ≤ (VIN – VOUT) ≤ 35V l 0.2 5 0.2 5 µA Minimum Load Current (VIN – VOUT) = 35V l 3.5 5 3.5 5 mA ISC Current Limit (VIN – VOUT) ≤ 10V DC 0.5ms Peak l l 5 6 8 12 5 6 8 12 A A (VIN – VOUT) = 30V, TJ = 25ºC 1 2 1 A ΔVOUT ΔTemp Temperature Stability l 1 2 1 % ΔVOUT ΔTime Long-Term Stability TA = 125ºC, 1000 Hours 0.3 1 0.3 1 % en RMS Output Noise (% of VOUT) 10HZ ≤ f ≤ 10kHz 0.001 0.003 % θJC Thermal Resistance Junction-to-Case K Package 1 1 ºC/W The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. SYMBOL PARAMETER CONDITIONS MIN LT138A TYP MAX MIN LM138 TYP MAX UNITS VREF Reference Voltage IOUT = 10mA 1.238 1.250 1.262 V 3V ≤ (VIN – VOUT) ≤ 35V, 10mA ≤ IOUT ≤ 5A, P ≤ 50W l 1.225 1.250 1.270 1.19 1.24 1.29 V ΔVOUT ΔVIN Line Regulation 3V ≤ (VIN – VOUT) ≤ 35V, (Note 3) l 0.005 0.02 0.01 0.04 0.005 0.02 0.03 0.06 %/V %/V ΔVOUT ΔVOUT Load Regulation 10mA ≤ IOUT ≤ 5A, (Note 3) VOUT ≤ 5V VOUT ≥ 5V 5 0.1 15 0.3 5 0.1 25 0.5 mV % VOUT ≤ 5V VOUT ≥ 5V l l 20 0.3 30 0.6 20 0.3 50 1 mV % Thermal Regulation 20ms Pulse 0.002 0.02 0.002 0.02 %/W |
Аналогичный номер детали - LM138_15 |
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Аналогичное описание - LM138_15 |
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