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LM1575J-15-QML データシート(PDF) 6 Page - National Semiconductor (TI) |
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LM1575J-15-QML データシート(HTML) 6 Page - National Semiconductor (TI) |
6 / 27 page LM1575-5.0, LM2575-5.0, LM2575HV-5.0 Electrical Characteristics (Continued) Specifications with standard type face are for T J = 25˚C, and those with boldface type apply over full Operating Tempera- ture Range. Symbol Parameter Conditions Typ LM1575-5.0 LM2575-5.0 Units (Limits) LM2575HV-5.0 Limit Limit (Note 2) (Note 3) η Efficiency V IN = 12V, ILOAD =1A 77 % LM1575-12, LM2575-12, LM2575HV-12 Electrical Characteristics Specifications with standard type face are for T J = 25˚C, and those with boldface type apply over full Operating Tempera- ture Range . Symbol Parameter Conditions Typ LM1575-12 LM2575-12 Units (Limits) LM2575HV-12 Limit Limit (Note 2) (Note 3) SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2 V OUT Output Voltage V IN = 25V, ILOAD = 0.2A 12 V Circuit of Figure 2 11.88 11.76 V(Min) 12.12 12.24 V(Max) V OUT Output Voltage 0.2A ≤ I LOAD ≤ 1A, 12 V LM1575/LM2575 15V ≤ V IN ≤ 40V 11.64/11.52 11.52/11.40 V(Min) Circuit of Figure 2 12.36/12.48 12.48/12.60 V(Max) V OUT Output Voltage 0.2A ≤ I LOAD ≤ 1A, 12 V LM2575HV 15V ≤ V IN ≤ 60V 11.64/11.52 11.52/11.40 V(Min) Circuit of Figure 2 12.42/12.54 12.54/12.66 V(Max) η Efficiency V IN = 15V, ILOAD =1A 88 % LM1575-15, LM2575-15, LM2575HV-15 Electrical Characteristics Specifications with standard type face are for T J = 25˚C, and those with boldface type apply over full Operating Tempera- ture Range . Symbol Parameter Conditions Typ LM1575-15 LM2575-15 Units (Limits) LM2575HV-15 Limit Limit (Note 2) (Note 3) SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2 V OUT Output Voltage V IN = 30V, ILOAD = 0.2A 15 V Circuit of Figure 2 14.85 14.70 V(Min) 15.15 15.30 V(Max) V OUT Output Voltage 0.2A ≤ I LOAD ≤ 1A, 15 V LM1575/LM2575 18V ≤ V IN ≤ 40V 14.55/14.40 14.40/14.25 V(Min) Circuit of Figure 2 15.45/15.60 15.60/15.75 V(Max) V OUT Output Voltage 0.2A ≤ I LOAD ≤ 1A, 15 V LM2575HV 18V ≤ V IN ≤ 60V 14.55/14.40 14.40/14.25 V(Min) Circuit of Figure 2 15.525/15.675 15.68/15.83 V(Max) η Efficiency V IN = 18V, ILOAD =1A 88 % www.national.com 6 |
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