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LT8610AB Datasheet(PDF) 25 Page - Analog Devices

Part # LT8610AB
Description  42V, 10A/12A Peak Synchronous Step-Down Silent Switcher 2
PDF  28 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT8610AB Datasheet(HTML) 25 Page - Analog Devices

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LT8638S
25
Rev. 0
For more information www.analog.com
Figure 10. 400kHz 5V 10A Step-Down Converter with Soft-Start and Power Good
Figure 11. 400kHz 3.3V, 10A Step-Down Converter with Soft-Start and Power Good
TYPICAL APPLICATIONS
LT8638S
SW
BIAS
FB
VIN
5.4V TO 42V
GND
RT
VIN
EN/UV
VOUT
5V
10A
47µF
x3
1210
X5R/X7R
33pF
4.7µF
BST
1F
105k
100k
13.7k
3.3µH
0.1µF
fSW = 400kHz
L: XAL1010
SS
10nF
PG
SYNC/MODE
CLKOUT
INTVCC
100k
PHMODE
VC
820pF
9.31k
8638S F10
LT8638S
SW
BIAS
FB
VIN
3.7V TO 42V
GND
RT
VIN
EN/UV
VOUT
3.3V
10A
47µF
×3
1210
X5R/X7R
33pF
4.7µF
105k
100k
22.1k
2.2µH
fSW = 400kHz
L: XAL8080
SS
10nF
PG
SYNC/MODE
CLKOUT
100k
PHMODE
VC
BST
1F
0.1µF
INTVCC
820pF
8.87k
8638S F11
Figure 12. Ultralow EMI 3.3V, 10A Step-Down Converter with Spread Spectrum
PINS NOT USED IN
THIS CIRCUIT:
CLKOUT, PG, SS,
PHMODE
LT8638S
SW
BIAS
FB
VIN
3.9V TO 42V
GND
RT
VC
EN/UV
VOUT
3.3V
10A
47µF
x2
1210
X5R/X7R
15pF
16.9k
1F
INTVCC
100k
22.1k
0.47µH
fSW = 2MHz
L: XEL6030
FB1 BEAD: WE-MPSB 10Ω 10.5A 1206
10µF
×2
1210
FB1
BEAD
10µF
1210
10µF
1210
1µF
0603
VIN
GND
1µF
0603
VIN
GND
SYNC/MODE
INTVCC
BST
0.1µF
8638S F12
220pF
12.1k



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