Datasheet LT8609S (Analog Devices) - 8
| 制造商 | Analog Devices |
| 描述 | 42V, 2A/3A Peak Synchronous Step-Down Regulator with 2.5µA Quiescent Current |
| 页数 / 页 | 24 / 8 — TYPICAL PERFORMANCE CHARACTERISTICS. Conducted EMI Performance. Radiated … |
| 修订版 | D |
| 文件格式/大小 | PDF / 2.1 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Conducted EMI Performance. Radiated EMI Performance
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LT8609S
TYPICAL PERFORMANCE CHARACTERISTICS Conducted EMI Performance
80 PEAK DETECTOR 70 60 V) 50 40 30 20 AMPLITUDE (dBµ 10 0 CLASS 5 PEAK LIMIT –10 FIXED FREQUENCY SPREAD SPECTRUM MODE –20 0 3 6 9 12 15 18 21 24 27 30 FREQUENCY (MHz) 8609S G33 DC2522A DEMO BOARD WITH EMI FILTER INSTALLED 14V INPUT TO 5V OUTPUT AT 2A, fSW = 2MHz
Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Peak Limits)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 V/m) 30 25 20 15 10 AMPLITUDE (dBµ 5 0 CLASS 5 PEAK LIMIT –5 FIXED FREQUENCY SPREAD SPECTRUM MODE –10 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) 50 HORIZONTAL POLARIZATION 45 PEAK DETECTOR 40 35 V/m) 30 25 20 15 10 AMPLITUDE (dBµ 5 0 CLASS 5 PEAK LIMIT –5 FIXED FREQUENCY SPREAD SPECTRUM MODE –10 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) 8609S G34 DC2522A DEMO BOARD WITH EMI FILTER INSTALLED 14V INPUT TO 5V OUTPUT AT 2A, fSW = 2MHz Rev. D 8 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 Conducted EMI Performance
80 PEAK DETECTOR 70 60 V) 50 40 30 20 AMPLITUDE (dBµ 10 0 CLASS 5 PEAK LIMIT –10 FIXED FREQUENCY SPREAD SPECTRUM MODE –20 0 3 6 9 12 15 18 21 24 27 30 FREQUENCY (MHz) 8609S G33 DC2522A DEMO BOARD WITH EMI FILTER INSTALLED 14V INPUT TO 5V OUTPUT AT 2A, fSW = 2MHz
Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Peak Limits)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 V/m) 30 25 20 15 10 AMPLITUDE (dBµ 5 0 CLASS 5 PEAK LIMIT –5 FIXED FREQUENCY SPREAD SPECTRUM MODE –10 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) 50 HORIZONTAL POLARIZATION 45 PEAK DETECTOR 40 35 V/m) 30 25 20 15 10 AMPLITUDE (dBµ 5 0 CLASS 5 PEAK LIMIT –5 FIXED FREQUENCY SPREAD SPECTRUM MODE –10 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) 8609S G34 DC2522A DEMO BOARD WITH EMI FILTER INSTALLED 14V INPUT TO 5V OUTPUT AT 2A, fSW = 2MHz Rev. D 8 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