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LM2597N-3.3 데이터시트(PDF) 11 Page - Texas Instruments |
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LM2597N-3.3 데이터시트(HTML) 11 Page - Texas Instruments |
11 / 48 page LM2597, LM2597HV www.ti.com SNVS119C – MARCH 1998 – REVISED APRIL 2013 Typical Performance Characteristics (continued) Continuous Mode Switching Waveforms Discontinuous Mode Switching Waveforms VIN = 20V, VOUT = 5V, ILOAD = 400 mA VIN = 20V, VOUT = 5V, ILOAD = 200 mA L = 100 μH, COUT = 120 μF, COUT ESR = 140 mΩ L = 33 μH, COUT = 220 μF, COUT ESR = 60 mΩ A: Output Pin Voltage, 10V/div. A: Output Pin Voltage, 10V/div. B: Inductor Current 0.2A/div. B: Inductor Current 0.2A/div. C: Output Ripple Voltage, 20 mV/div. C: Output Ripple Voltage, 20 mV/div. Figure 22. Horizontal Time Base: 2 μs/div. Figure 23. Horizontal Time Base: 2 μs/div. Load Transient Response for Continuous Mode Load Transient Response for Discontinuous Mode VIN = 20V, VOUT = 5V, ILOAD = 200 mA to 500 mA VIN = 20V, VOUT = 5V, ILOAD = 100 mA to 200 mA L = 100 μH, COUT = 120 μF, COUT ESR = 140 mΩ L = 33 μH, COUT = 220 μF, COUT ESR = 60 mΩ A: Output Voltage, 50 mV/div. (AC) A: Output Voltage, 50 mV/div. (AC) B: 100 mA to 200 mA Load Pulse B: 200 mA to 500 mA Load Pulse Figure 24. Horizontal Time Base: 50 μs/div. Figure 25. Horizontal Time Base: 200 μs/div. Copyright © 1998–2013, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: LM2597 LM2597HV |
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