Datasheet LT8653S (Analog Devices) - 9
| 制造商 | Analog Devices |
| 描述 | Dual Channel 2A, 42V, Synchronous Step-Down Silent Switcher 2 with 6.2μA Quiescent Current |
| 页数 / 页 | 30 / 9 — TYPICAL PERFORMANCE CHARACTERISTICS. Conducted EMI Performance. Radiated … |
| 文件格式/大小 | PDF / 2.2 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Conducted EMI Performance. Radiated EMI Performance
文件文字版本
LT8653S
TYPICAL PERFORMANCE CHARACTERISTICS Conducted EMI Performance
60 50 40 30 V/m) 20 10 0 –10 AMPLITUDE (dBµ –20 –30 SPREAD SPECTRUM MODE FIXED FREQUENCY MODE –40 0 3 6 9 12 15 18 21 24 27 30 FREQUENCY (MHz) DC2535A DEMO BOARD 8653S G42 (WITH EMI FILTER INSTALLED) 14V INPUT TO 5V OUTPUT1 AT 2A AND 3.3V OUTPUT2 AT 2A, fSW = 2MHz
Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Peak)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 V/m) 30 25 20 15 AMPLITUDE (dBµ 10 5 CLASS 5 PEAK LIMIT SPREAD SPECTRUM MODE 0 FIXED FREQUENCY MODE –5 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) DC2535A DEMO BOARD 8653S G43 (WITH EMI FILTER INSTALLED) 14V INPUT TO 5V OUTPUT1 AT 2A AND 3.3V OUTPUT2 AT 2A, fSW = 2MHz
Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Average Limits)
40 VERTICAL POLARIZATION 35 AVERAGE DETECTOR 30 25 V/m) 20 15 10 5 AMPLITUDE (dBµ 0 –5 CLASS 5 AVERAGE LIMIT –10 SPREAD SPECTRUM MODE FIXED FREQUENCY MODE –15 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) DC2535A DEMO BOARD 8653S G44 (WITH EMI FILTER INSTALLED) 14V INPUT TO 5V OUTPUT1 AT 2A AND 3.3V OUTPUT2 AT 2A, fSW = 2MHz Rev. 0 For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Conducted EMI Performance
60 50 40 30 V/m) 20 10 0 –10 AMPLITUDE (dBµ –20 –30 SPREAD SPECTRUM MODE FIXED FREQUENCY MODE –40 0 3 6 9 12 15 18 21 24 27 30 FREQUENCY (MHz) DC2535A DEMO BOARD 8653S G42 (WITH EMI FILTER INSTALLED) 14V INPUT TO 5V OUTPUT1 AT 2A AND 3.3V OUTPUT2 AT 2A, fSW = 2MHz
Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Peak)
50 VERTICAL POLARIZATION 45 PEAK DETECTOR 40 35 V/m) 30 25 20 15 AMPLITUDE (dBµ 10 5 CLASS 5 PEAK LIMIT SPREAD SPECTRUM MODE 0 FIXED FREQUENCY MODE –5 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) DC2535A DEMO BOARD 8653S G43 (WITH EMI FILTER INSTALLED) 14V INPUT TO 5V OUTPUT1 AT 2A AND 3.3V OUTPUT2 AT 2A, fSW = 2MHz
Radiated EMI Performance (CISPR25 Radiated Emission Test with Class 5 Average Limits)
40 VERTICAL POLARIZATION 35 AVERAGE DETECTOR 30 25 V/m) 20 15 10 5 AMPLITUDE (dBµ 0 –5 CLASS 5 AVERAGE LIMIT –10 SPREAD SPECTRUM MODE FIXED FREQUENCY MODE –15 0 100 200 300 400 500 600 700 800 900 1000 FREQUENCY (MHz) DC2535A DEMO BOARD 8653S G44 (WITH EMI FILTER INSTALLED) 14V INPUT TO 5V OUTPUT1 AT 2A AND 3.3V OUTPUT2 AT 2A, fSW = 2MHz Rev. 0 For more information www.analog.com 9 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Typical Application Related Parts