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LM138K データシート(PDF) 3 Page - STMicroelectronics |
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LM138K データシート(HTML) 3 Page - STMicroelectronics |
3 / 12 page ELECTRICAL CHARACTERISTICS LM138: -55 ≤ Tj ≤ 150 oC, VI -VO = 5V, IO =2.5A LM238: -25 ≤ Tj ≤ 150 oC, VI -VO = 5V, IO =2.5A LM338: 0 ≤ Tj ≤ 150 oC, VI -VO = 5V, IO = 2.5A Although power dissipation is internally limited, these specifications apply to power dissipation up to 50W (unless otherwise specified). Symbol Parameter LM138-LM238 LM338 Unit Min. Typ. Max. Min. Typ. Max. KVI Line Regulation - (note 1) Tamb =25 oC, 3 V ≤ (VI -VO) ≤ 35 V 0.005 0.01 0.005 0.03 %/V KVO Load Regulation Tamb =25 oC, 10 mA ≤ IO ≤ 5A VO ≤ 5V - (note 1) VO ≥ 5V - (note 1) 5 0.1 15 0.3 5 0.1 25 0.5 mV % Thermal Regulation (pulse = 20 ms) 0.002 0.01 0.002 0.02 %/W Iadj Adjustment Pin Current 45 100 45 100 µA ∆Iadj Adjustment Pin Current Change 10 mA ≤ IL ≤ 5A, 3 V ≤ (VI -VO) ≤ 35 V 0.2 5 0.2 5 µA v(ref) Reference Voltage 3V ≤ (VI -VO) ≤ 35 V, 10 mA ≤ IO ≤ 5A, P ≤ 50W 1.19 1.24 1.29 1.19 1.24 1.29 V KVI Line Regulation - (note 1) 3V ≤ (VI -VO) ≤ 35 V 0.02 0.04 0.02 0.06 %/V KVO Load Regulation 10 mA ≤ IO ≤ 5A VO ≤ 5V - (note 1) VO ≥ 5V - (note 1) 20 0.3 30 0.6 20 0.3 50 1 mV % KVT Temperature Stability (Tmin ≤ Tj ≤ Tmax)1 1 % IO(min) Minimum Load Current (VI -VO ≤ 35 V) 3.5 5 3.5 10 mA IO(max) Current Limit (VI -VO ≤ 10 V) DC 0.5 ms Peak VI -VO =30 V 5 7 8 12 1 5 7 8 12 1 A RMS Output Noise, % of VO (Tamb =25 oC, 10 Hz ≤ f ≤ 10 KHz) 0.003 0.003 % Rvf Ripple Rejection Ratio VO = 10 V, f = 120 Hz Cadi =10 µF60 60 75 60 60 75 dB KVH Long Term Stability (Tamb = 125 oC) 0.3 1 0.3 1 % Note 1 : Regulation is measured at constant junction temperature. Changes in output voltage due to heating effects are taken into account separately by thermal rejection. LM138-LM238-LM338 3/12 |
同様の部品番号 - LM138K |
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同様の説明 - LM138K |
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