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LM2576HVS-15 Datasheet(PDF) 4 Page - National Semiconductor (TI) |
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LM2576HVS-15 Datasheet(HTML) 4 Page - National Semiconductor (TI) |
4 / 24 page LM2576-5.0, LM2576HV-5.0 Electrical Characteristics (Continued) Specifications with standard type face are for T J = 25˚C, and those with Figure 2 boldface type apply over full Operating Tem- perature Range. Symbol Parameter Conditions LM2576-5.0 Units (Limits) LM2576HV-5.0 Typ Limit (Note 2) SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2 η Efficiency V IN = 12V, ILOAD =3A 77 % LM2576-12, LM2576HV-12 Electrical Characteristics Specifications with standard type face are for T J = 25˚C, and those with boldface type apply over full Operating Temperature Range. Symbol Parameter Conditions LM2576-12 Units (Limits) LM2576HV-12 Typ Limit (Note 2) SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2 V OUT Output Voltage V IN = 25V, ILOAD = 0.5A 12 V Circuit of Figure 2 11.76 V(Min) 12.24 V(Max) V OUT Output Voltage 0.5A ≤ I LOAD ≤ 3A, 12 V LM2576 15V ≤ V IN ≤ 40V 11.52/11.40 V(Min) Circuit of Figure 2 12.48/12.60 V(Max) V OUT Output Voltage 0.5A ≤ I LOAD ≤ 3A, 12 V LM2576HV 15V ≤ V IN ≤ 60V 11.52/11.40 V(Min) Circuit of Figure 2 12.54/12.66 V(Max) η Efficiency V IN = 15V, ILOAD =3A 88 % LM2576-15, LM2576HV-15 Electrical Characteristics Specifications with standard type face are for T J = 25˚C, and those with boldface type apply over full Operating Temperature Range. Symbol Parameter Conditions LM2576-15 Units (Limits) LM2576HV-15 Typ Limit (Note 2) SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2 V OUT Output Voltage V IN = 25V, ILOAD = 0.5A 15 V Circuit of Figure 2 14.70 V(Min) 15.30 V(Max) V OUT Output Voltage 0.5A ≤ I LOAD ≤ 3A, 15 V LM2576 18V ≤ V IN ≤ 40V 14.40/14.25 V(Min) Circuit of Figure 2 15.60/15.75 V(Max) V OUT Output Voltage 0.5A ≤ I LOAD ≤ 3A, 15 V LM2576HV 18V ≤ V IN ≤ 60V 14.40/14.25 V(Min) Circuit of Figure 2 15.68/15.83 V(Max) η Efficiency V IN = 18V, ILOAD =3A 88 % www.national.com 4 |
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