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LT8640 Datasheet(PDF) 9 Page - Analog Devices

Part # LT8640
Description  18V, 10A Synchronous Step-Down Silent Switcher
PDF  26 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8640 Datasheet(HTML) 9 Page - Analog Devices

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LT8642-1
9
Rev. 0
For more information www.analog.com
Radiated EMI Performance
(CISPR32 Radiated Emission Test with Class B Limits)
TYPICAL PERFORMANCE CHARACTERISTICS
Conducted EMI Performance
DC2560A DEMO BOARD USING LT8642S
(WITH EMI FILTER INSTALLED)
12V INPUT TO 1.2V OUTPUT AT 10A, fSW = 2MHz
FORCED CONTINUOUS MODE
SPREAD SPECTRUM MODE
FREQUENCY (MHz)
0
3
6
9
12
15
18
21
24
27
30
–40
–30
–20
–10
0
10
20
30
40
50
60
86421 G38
DC2560A DEMO BOARD USING LT8642S
12V INPUT TO 1.2V OUTPUT AT 10A, fSW = 2MHz
CLASS B LIMIT
WITH EMI FILTER
SPREAD SPECTRUM MODE
FIXED FREQUENCY MODE
FREQUENCY (MHz)
0
100
200
300
400
500
600
700
800
900
1000
–10
–5
0
5
10
15
20
25
30
35
40
45
50
86421 G39
DC2560A DEMO BOARD USING LT8642S
12V INPUT TO 1.2V OUTPUT AT 10A, fSW = 2MHz
NO EMI FILTER
SPREAD SPECTRUM MODE
FIXED FREQUENCY MODE
FREQUENCY (MHz)
0
100
200
300
400
500
600
700
800
900
1000
–10
–5
0
5
10
15
20
25
30
35
40
45
50
86421 G40
CLASS B LIMIT



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