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LT8640 Datasheet(PDF) 29 Page - Analog Devices

Part # LT8640
Description  42V, 6A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8640 Datasheet(HTML) 29 Page - Analog Devices

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LT8640S/LT8643S/
LT8640SA/LT8643SA
29
Rev. D
For more information www.analog.com
TYPICAL APPLICATIONS
Figure 15. 12V, 6A Step-Down Converter
Figure 16. 24V, 6A Step-Down Converter
LT8640SA
8640S F15
SW
VIN
EN/UV
BIAS
RT
FB
GND
4.7pF
47µF
1210
X5R/X7R
1M
VOUT
12V
6A
4.7µF
VIN
12.7V TO 42V
41.2k
4.7µH
88.7k
fSW = 1MHz
L: XEL6060
PINS NOT USED IN THIS CIRCUIT:
BST, CLKOUT, INTVCC,
PG, SYNC/MODE, TR/SS
LT8640SA
8640S F16
SW
VIN
EN/UV
BIAS
RT
FB
GND
4.7pF
10µF x4
1210
35V
X5R/X7R/X7S
1M
VOUT
24V
6A
4.7µF
VIN
25V TO 42V
41.2k
4.7µH
42.2k
fSW = 1MHz
L: XEL6060
PINS NOT USED IN THIS CIRCUIT:
BST, CLKOUT, INTVCC,
PG, SYNC/MODE, TR/SS
* VC pin and components only apply to LT8643S/LT8643SA.



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