Datasheet LT8640, LT8640-1 (Analog Devices) - 10
| 制造商 | Analog Devices |
| 描述 | 42V, 5A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current |
| 页数 / 页 | 30 / 10 — TYPICAL PERFORMANCE CHARACTERISTICS. Radiated EMI Performance. (CISPR25 … |
| 修订版 | C |
| 文件格式/大小 | PDF / 1.9 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Radiated EMI Performance. (CISPR25 Radiated Emission Test with Class 5 Peak Limits)
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LT8640/LT8640-1
TYPICAL PERFORMANCE CHARACTERISTICS Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Peak Limits)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 30 25 20 15 AMPLITUDE (dBµV/m) 10 5 CLASS 5 PEAK LIMIT 0 FIXED FREQUENCY MODE SPREAD SPECTRUM MODE -5 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) 50 HORIZONTAL POLARIZATION 45 PEAK DETECTOR 40 35 30 25 20 15 AMPLITUDE (dBµV/m) 10 5 CLASS 5 PEAK LIMIT 0 FIXED FREQUENCY MODE SPREAD SPECTRUM MODE -5 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) DC2202A DEMO BOARD (WITH EMI FILTER INSTALLED) 14V INPUT TO 5V OUTPUT AT 4A, fSW = 2MHz 8640 G42 Rev.C 10 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Peak Limits)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 30 25 20 15 AMPLITUDE (dBµV/m) 10 5 CLASS 5 PEAK LIMIT 0 FIXED FREQUENCY MODE SPREAD SPECTRUM MODE -5 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) 50 HORIZONTAL POLARIZATION 45 PEAK DETECTOR 40 35 30 25 20 15 AMPLITUDE (dBµV/m) 10 5 CLASS 5 PEAK LIMIT 0 FIXED FREQUENCY MODE SPREAD SPECTRUM MODE -5 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) DC2202A DEMO BOARD (WITH EMI FILTER INSTALLED) 14V INPUT TO 5V OUTPUT AT 4A, fSW = 2MHz 8640 G42 Rev.C 10 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Pin Configuration Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts