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LM-338K データシート(PDF) 3 Page - Linear Technology |
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LM-338K データシート(HTML) 3 Page - Linear Technology |
3 / 12 page 3 LT138A/LT338A LM138/LM338 ELECTRICAL CHARACTERISTICS The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) LT138A LM138 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS ∆VOUT Temperature Stability q 12 1 % ∆Temp ∆VOUT Long-Term Stability TA = 125°C, 1000 Hours 0.3 1 0.3 1 % ∆Time en RMS Output Noise (% of VOUT) 10Hz ≤ f ≤ 10kHz 0.001 0.003 % θJC Thermal Resistance K Package 1 1 °C/W Junction-to-Case The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 2) LT338A LM338 SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS VREF Reference Voltage IOUT = 10mA 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 0.03 %/V ∆VIN q 0.02 0.04 0.02 0.06 %/V ∆VOUT Load Regulation 10mA ≤ IOUT ≤ 5A, (Note 3) ∆IOUT VOUT ≤ 5V 5 15 5 25 mV VOUT ≥ 5V 0.1 0.3 0.1 0.5 % VOUT ≤ 5V q 20 30 20 50 mV VOUT ≥ 5V q 0.3 0.6 0.3 1 % Thermal Regulation 20ms Pulse 0.002 0.02 0.002 0.02 %/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 10 3.5 10 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 ∆VOUT Temperature Stability q 12 1 % ∆Temp ∆VOUT Long-Term Stability TA = 125°C, 1000 Hours 0.3 1 0.3 1 % ∆Time en RMS Output Noise (% of VOUT) 10Hz ≤ f ≤ 10kHz 0.001 0.003 % θJC Thermal Resistance K Package 1 1 °C/W Junction-to-Case Note 1: Absolute Maximum Ratings are those values beyond which the life of the device may be impaired. Note 2: Unless otherwise specified, these specifications apply: VIN – VOUT = 5V and IOUT = 2.5A. These specifications are applicable for power dissipations up to 50W. Note 3: See thermal regulation specifications for changes in output voltage due to heating effects. Load and line regulation are measured at a constant junction temperature by low duty cycle pulse testing. |
同様の部品番号 - LM-338K |
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同様の説明 - LM-338K |
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