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LT8646SEVPBF Datasheet(PDF) 27 Page - Analog Devices

Part # LT8646SEVPBF
Description  65V, 8A Synchronous Step-Down Silent Switcher 2 with 2.5μA Quiescent Current
PDF  30 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8646SEVPBF Datasheet(HTML) 27 Page - Analog Devices

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LT8645S/LT8646S
27
Rev. B
For more information www.analog.com
Figure 11. 2MHz 5V, 8A Step-Down Converter
Figure 13. 12V, 8A Step-Down Converter
TYPICAL APPLICATIONS
Figure 12. 2MHz 3.3V, 8A Step-Down Converter
LT8645S/
LT8646S
SW
BIAS
FB
VIN
5.5V TO 65V
GND
PINS NOT USED
IN THIS CIRCUIT:
BST, CLKOUT,
INTVCC, PG,
SYNC/MODE, TR/SS
*VC PIN AND COMPONENTS
ONLY APPLY TO LT8646S.
RT
VIN
EN/UV
VOUT
5V
8A
100µF
1210
X5R/X7R
4.7pF
8645S F11
4.7µF
17.8k
1M
243k
1µH
fSW = 2MHz
L: XEL6030
VC*
7.5k
330pF
LT8645S/
LT8646S
SW
BIAS
FB
VIN
3.8V TO 42V
(65V TRANSIENT)
GND
PINS NOT USED
IN THIS CIRCUIT:
BST, CLKOUT,
INTVCC, PG,
SYNC/MODE, TR/SS
*VC PIN AND COMPONENTS
ONLY APPLY TO LT8646S.
RT
VIN
EN/UV
VOUT
3.3V
8A
100µF
1210
X5R/X7R
4.7pF
8645S F12
4.7µF
17.8k
1M
412k
0.82µH
fSW = 2MHz
L: XEL6030
VC*
8.87k
330pF
LT8645S
SW
BIAS
FB
VIN
12.5V TO 65V
GND
RT
VIN
EN/UV
VOUT
12V
8A
47µF
1210
X5R/X7R
2.2pF
8645S F13
4.7µF
41.2k
1M
88.7k
4.7µH
fSW = 1MHz
L: XEL6060
PINS NOT USED
IN THIS CIRCUIT:
BST, CLKOUT,
INTVCC, PG,
SYNC/MODE, TR/SS



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