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LM2576HVS-12 데이터시트(PDF) 3 Page - National Semiconductor (TI) |
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LM2576HVS-12 데이터시트(HTML) 3 Page - National Semiconductor (TI) |
3 / 24 page Absolute Maximum Ratings (Note 1) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Maximum Supply Voltage LM2576 45V LM2576HV 63V ON /OFF Pin Input Voltage −0.3V ≤ V ≤ +V IN Output Voltage to Ground (Steady State) −1V Power Dissipation Internally Limited Storage Temperature Range −65˚C to +150˚C Maximum Junction Temperature 150˚C Minimum ESD Rating (C = 100 pF, R = 1.5 k Ω)2 kV Lead Temperature (Soldering, 10 Seconds) 260˚C Operating Ratings Temperature Range LM2576/LM2576HV −40˚C ≤ T J ≤ +125˚C Supply Voltage LM2576 40V LM2576HV 60V LM2576-3.3, LM2576HV-3.3 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 LM2576-3.3 Units (Limits) LM2576HV-3.3 Typ Limit (Note 2) SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2 V OUT Output Voltage V IN = 12V, ILOAD = 0.5A 3.3 V Circuit of Figure 2 3.234 V(Min) 3.366 V(Max) V OUT Output Voltage 6V ≤ V IN ≤ 40V, 0.5A ≤ I LOAD ≤ 3A 3.3 V LM2576 Circuit of Figure 2 3.168/3.135 V(Min) 3.432/3.465 V(Max) V OUT Output Voltage 6V ≤ V IN ≤ 60V, 0.5A ≤ I LOAD ≤ 3A 3.3 V LM2576HV Circuit of Figure 2 3.168/3.135 V(Min) 3.450/3.482 V(Max) η Efficiency V IN = 12V, ILOAD =3A 75 % LM2576-5.0, LM2576HV-5.0 Electrical Characteristics 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 V OUT Output Voltage V IN = 12V, ILOAD = 0.5A 5.0 V Circuit of Figure 2 4.900 V(Min) 5.100 V(Max) V OUT Output Voltage 0.5A ≤ I LOAD ≤ 3A, 5.0 V LM2576 8V ≤ V IN ≤ 40V 4.800/4.750 V(Min) Circuit of Figure 2 5.200/5.250 V(Max) V OUT Output Voltage 0.5A ≤ I LOAD ≤ 3A, 5.0 V LM2576HV 8V ≤ V IN ≤ 60V 4.800/4.750 V(Min) Circuit of Figure 2 5.225/5.275 V(Max) www.national.com 3 |
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