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LM2576HVT-12 Datenblatt(PDF) 4 Page - Texas Instruments |
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LM2576HVT-12 Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 37 page LM2576, LM2576HV SNVS107C – JUNE 1999 – REVISED APRIL 2013 www.ti.com ELECTRICAL CHARACTERISTICS LM2576-5.0, LM2576HV-5.0 Specifications with standard type face are for TJ = 25°C, and those with Figure 21 and Figure 22 boldface type apply over full Operating Temperature Range. LM2576-5.0 Units LM2576HV-5.0 Symbol Parameter Conditions (Limits) Typ Limit (1) SYSTEM PARAMETERS Figure 21 and Figure 22(2) VOUT Output Voltage VIN = 12V, ILOAD = 0.5A 5.0 V Circuit of Figure 21 and Figure 22 4.900 V(Min) 5.100 V(Max) VOUT Output Voltage 0.5A ≤ ILOAD ≤ 3A, 5.0 V LM2576 8V ≤ VIN ≤ 40V 4.800/4.750 V(Min) Circuit of Figure 21 and Figure 22 5.200/5.250 V(Max) VOUT Output Voltage 0.5A ≤ ILOAD ≤ 3A, 5.0 V LM2576HV 8V ≤ VIN ≤ 60V 4.800/4.750 V(Min) Circuit of Figure 21 and Figure 22 5.225/5.275 V(Max) η Efficiency VIN = 12V, ILOAD = 3A 77 % (1) All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits are 100% production tested. All limits at temperature extremes are specified via correlation using standard Statistical Quality Control (SQC) methods. (2) External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the LM2576/LM2576HV is used as shown in Figure 21 and Figure 22, system performance will be as shown in ELECTRICAL CHARACTERISTICS ALL OUTPUT VOLTAGE VERSIONS. ELECTRICAL CHARACTERISTICS LM2576-12, LM2576HV-12 Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating Temperature Range. LM2576-12 Units LM2576HV-12 Symbol Parameter Conditions (Limits) Typ Limit (1) SYSTEM PARAMETERS Test Circuit Figure 21 and Figure 22(2) VOUT Output Voltage VIN = 25V, ILOAD = 0.5A 12 V Circuit of Figure 21 and Figure 22 V(Min) 11.76 12.24 V(Max) VOUT Output Voltage 0.5A ≤ ILOAD ≤ 3A, 12 V LM2576 15V ≤ VIN ≤ 40V V(Min) 11.52/11.40 Circuit of Figure 21 and Figure 22 and 12.48/12.60 V(Max) VOUT Output Voltage 0.5A ≤ ILOAD ≤ 3A, 12 V LM2576HV 15V ≤ VIN ≤ 60V V(Min) 11.52/11.40 Circuit of Figure 21 and Figure 22 12.54/12.66 V(Max) η Efficiency VIN = 15V, ILOAD = 3A 88 % (1) All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits are 100% production tested. All limits at temperature extremes are specified via correlation using standard Statistical Quality Control (SQC) methods. (2) External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the LM2576/LM2576HV is used as shown in Figure 21 and Figure 22, system performance will be as shown in ELECTRICAL CHARACTERISTICS ALL OUTPUT VOLTAGE VERSIONS. 4 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM2576 LM2576HV |
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Ähnliche Beschreibung - LM2576HVT-12 |
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