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LM2574HVM-3.3 数据表(PDF) 4 Page - Texas Instruments |
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LM2574HVM-3.3 数据表(HTML) 4 Page - Texas Instruments |
4 / 35 page LM2574, LM2574HV SNVS104C – JUNE 1999 – REVISED APRIL 2013 www.ti.com LM2574-5.0, LM2574HV-5.0 Electrical Characteristics Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating Temperature Range. Symbol Parameter Conditions LM2574-5.0 Units (Limits) LM2574HV-5.0 Typ Limit (1) SYSTEM PARAMETERS Test Circuit in Figure 23 and Figure 24,(2) VOUT Output Voltage VIN = 12V, ILOAD = 100 mA 5 V 4.900 V(Min) 5.100 V(Max) VOUT Output Voltage 7V ≤ VIN ≤ 40V, 0.1A ≤ ILOAD ≤ 0.5A 5 V LM2574 4.800/4.750 V(Min) 5.200/5.250 V(Max) VOUT Output Voltage 7V ≤ VIN ≤ 60V, 0.1A ≤ ILOAD ≤ 0.5A 5 4.800/4.750 V(Min) LM2574HV 5.225/5.275 V(Max) η Efficiency VIN = 12V, ILOAD = 0.5A 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. All limits are used to calculate Average Outgoing Quality Level. (2) External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the LM2574 is used as shown in the Figure 24 test circuit, system performance will be as shown in system parameters section of Electrical Characteristics. LM2574-12, LM2574HV-12 Electrical Characteristics Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating Temperature Range. Symbol Parameter Conditions LM2574-12 Units LM2574HV-12 (Limits) Typ Limit (1) SYSTEM PARAMETERS Test Circuit in Figure 23 and Figure 24,(2) VOUT Output Voltage VIN = 25V, ILOAD = 100 mA 12 V 11.76 V(Min) 12.24 V(Max) VOUT Output Voltage 15V ≤ VIN ≤ 40V, 0.1A ≤ ILOAD ≤ 0.5A 12 V LM2574 11.52/11.40 V(Min) 12.48/12.60 V(Max) VOUT Output Voltage 15V ≤ VIN ≤ 60V, 0.1A ≤ ILOAD ≤ 0.5A 12 11.52/11.40 V(Min) LM2574HV 12.54/12.66 V(Max) η Efficiency VIN = 15V, ILOAD = 0.5A 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. All limits are used to calculate Average Outgoing Quality Level. (2) External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance. When the LM2574 is used as shown in the Figure 24 test circuit, system performance will be as shown in system parameters section of Electrical Characteristics. 4 Submit Documentation Feedback Copyright © 1999–2013, Texas Instruments Incorporated Product Folder Links: LM2574 LM2574HV |
类似零件编号 - LM2574HVM-3.3 |
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类似说明 - LM2574HVM-3.3 |
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