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LM2574N-5.0 数据表(PDF) 8 Page - National Semiconductor (TI) |
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LM2574N-5.0 数据表(HTML) 8 Page - National Semiconductor (TI) |
8 / 24 page Typical Performance Characteristics (Circuit of Figure 2) (Continued) Feedback Pin Current DS011394-39 Junction to Ambient Thermal Resistance DS011394-40 Continuous Mode Switching Waveforms V OUT = 5V, 500 mA Load Current, L = 330 µH DS011394-6 Notes: A: Output Pin Voltage, 10V/div B: Inductor Current, 0.2 A/div C: Output Ripple Voltage, 20 mV/div, AC-Coupled Horizontal Time Base: 5 µs/div Discontinuous Mode Switching Waveforms V OUT = 5V, 100 mA Load Current, L = 100 µH DS011394-7 Notes: A: Output Pin Voltage, 10V/div B: Inductor Current, 0.2 A/div C: Output Ripple Voltage, 20 mV/div, AC-Coupled Horizontal Time Base: 5 µs/div 500 mA Load Transient Response for Continuous Mode Operation. L = 330 µH, C OUT = 300 µF DS011394-8 Notes: A: Output Voltage, 50 mV/div. AC Coupled B: 100 mA to 500 mA Load Pulse Horizontal Time Base: 200 µs/div 250 mA Load Transient Response for Discontinuous Mode Operation. L = 68 µH, C OUT = 470 µF DS011394-9 Notes: A: Output Voltage, 50 mV/div. AC Coupled B: 50 mA to 250 mA Load Pulse Horizontal Time Base: 200 µs/div www.national.com 8 |
类似零件编号 - LM2574N-5.0 |
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类似说明 - LM2574N-5.0 |
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