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LM138 数据表(PDF) 2 Page - Linear Technology |
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LM138 数据表(HTML) 2 Page - Linear Technology |
2 / 12 page 2 LT138A/LT338A LM138/LM338 A G A U A R BSOLUTEXI TI S Power Dissipation .............................. Internally Limited Input-to-Output Voltage Differential ........................ 35V Operating Junction Temperature Range LT138A/LM138 ............................... – 55 °C to 150°C LT338A/LM338 ................................... 0 °C to 125°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C PRECONDITIONI G 100% Thermal Limit Burn-In (Note 1) LT138A LM138 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS VREF Reference Voltage IOUT = 10mA, TJ = 25°C 1.238 1.250 1.262 V 3V ≤ (VIN – VOUT) ≤ 35V, q 1.225 1.250 1.270 1.19 1.24 1.29 V 10mA ≤ IOUT ≤ 5A, P ≤ 50W ∆VOUT Line Regulation 3V ≤ (VIN – VOUT) ≤ 35V, (Note 3) 0.005 0.01 0.005 0.01 %/V ∆VIN q 0.02 0.04 0.02 0.04 %/V ∆VOUT Load Regulation 10mA ≤ IOUT ≤ 5A, (Note 3) ∆IOUT VOUT ≤ 5V 5 15 5 15 mV VOUT ≥ 5V 0.1 0.3 0.1 0.3 % VOUT ≤ 5V q 20 30 20 30 mV VOUT ≥ 5V q 0.3 0.6 0.3 0.6 % Thermal Regulation 20ms Pulse 0.002 0.01 0.002 0.01 %/W Ripple Rejection VOUT = 10V, f = 120Hz CADJ = 0µF q 60 60 dB CADJ = 10µF q 60 75 60 75 dB IADJ Adjust Pin Current q 45 100 45 100 µA ∆IADJ Adjust Pin Current Change 10mA ≤ IOUT ≤ 5A, q 0.2 5 0.2 5 µA 3V ≤ (VIN – VOUT) ≤ 35V Minimum Load Current (VIN – VOUT) = 35V q 3.5 5 3.5 5 mA ISC Current Limit (VIN – VOUT) ≤ 10V DC q 58 58 A 0.5ms Peak q 612 6 12 A (VIN – VOUT) = 30V, TJ = 25°C1 2 1 A ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) PACKAGE/ORDER I FOR ATIO ORDER PART NUMBER LT138AK LT338AK LM138K LM338K TJMAX = 150°C, θJA = 35°C/ W, θJC = 1°C/ W (LT138A/LT138) TJMAX = 125°C, θJA = 35°C/ W, θJC = 1°C/ W (LT338A/LT338) Consult factory for Industrial grade parts. ORDER PART NUMBER LM338P VOUT VIN ADJ 3 2 1 FRONT VIEW P PACKAGE 3-LEAD PLASTIC TO-3P TJMAX = 125°C, θJA = 45°C/ W 2 1 VIN CASE IS OUTPUT ADJ K PACKAGE 2-LEAD TO-3 METAL CAN BOTTOM VIEW |
类似零件编号 - LM138 |
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类似说明 - LM138 |
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