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LM2594 データシート(PDF) 5 Page - Texas Instruments |
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LM2594 データシート(HTML) 5 Page - Texas Instruments |
5 / 41 page 5 LM2594, LM2594HV www.ti.com SNVS118D – DECEMBER 1999 – REVISED MAY 2016 Product Folder Links: LM2594 LM2594HV Submit Documentation Feedback Copyright © 1999–2016, Texas Instruments Incorporated (1) Typical numbers are at 25°C and represent the most likely norm. (2) All limits ensured at room temperature and at temperature extremes. 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 (AOQL). (3) External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect switching regulator system performance. When the LM2594xx is used as shown in the Figure 35 test circuit, system performance is as shown in the system parameters. 7.5 Electrical Characteristics – 3.3 V Specifications are for TJ = 25°C, VINmax= 40 V for the LM2594 and 60 V for the LM2594HV (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP(1) MAX(2) UNIT SYSTEM PARAMETERS(3) (see Figure 35 for test circuit) VOUT Output voltage 4.75 V ≤ VIN ≤ VINmax, 0.1 A ≤ ILOAD ≤ 0.5 A TJ = 25°C 3.432 3.3 3.168 V Over full operating temperature range 3.465 3.135 η Efficiency VIN = 12 V, ILOAD = 0.5 A 80% (1) Typical numbers are at 25°C and represent the most likely norm. (2) All limits ensured at room temperature and at temperature extremes. 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 (AOQL). (3) External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect switching regulator system performance. When the LM2594xx is used as shown in the Figure 35 test circuit, system performance is as shown in the system parameters. 7.6 Electrical Characteristics – 5 V Specifications are for TJ = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP(1) MAX(2) UNIT SYSTEM PARAMETERS(3) (see Figure 35 for test circuit) VOUT Output voltage 7 V ≤ VIN ≤ VINmax, 0.1 A ≤ ILOAD ≤ 0.5 A TJ = 25°C 4.8 5 5.2 V Over full operating temperature range 4.75 5.25 η Efficiency VIN = 12 V, ILOAD = 0.5 A 82% (1) Typical numbers are at 25°C and represent the most likely norm. (2) All limits ensured at room temperature and at temperature extremes. 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 (AOQL). (3) External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect switching regulator system performance. When the LM2594/LM2594HV is used as shown in the Figure 35 test circuit, system performance is as shown in the system parameters. 7.7 Electrical Characteristics – 12 V Specifications are for TJ = 25°C (unless otherwise noted). PARAMETER TEST CONDITIONS MIN TYP(1) MAX(2) UNIT SYSTEM PARAMETERS(3) (see Figure 35 for test circuit) VOUT Output voltage 15 V ≤ VIN ≤ VINmax, 0.1 A ≤ ILOAD ≤ 0.5 A TJ = 25°C 11.52 12 12.48 V Over full operating temperature range 11.4 12.6 η Efficiency VIN = 25 V, ILOAD = 0.5 A 88% |
同様の部品番号 - LM2594 |
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同様の説明 - LM2594 |
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