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ManualsBrandsLinear Technology ManualsDC / DC Adjustable Switching RegulatorsSwitching Regulator IC Step-Down QFN-3.3 ... 25V
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LT8641
23
Rev B
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2MHz 5V, 3.5A Step-Down Converter
2MHz 3.3V, 3.5A Step-Down Converter
V
IN2
V
IN1
EN/UV
PG
LT8641
8641 TA03
BST
SYNC/MODE SW
TR/SS BIAS
INTV
CC
FB
RT GND
0.1µF
4.7pF
47µF
1210
X5R/X7R
1M
V
OUT
5V
3.5A
1µF
0603
1µF
0603
4.7µF
V
IN
5.5V TO 65V
10nF
18.2k
1µF
2.2µH
191k
GND2GND1
f
SW
= 2MHz
L: VISHAY IHLP2525CZ-01
V
IN2
V
IN1
EN/UV
PG
LT8641
8641 TA06
BST
SYNC/MODE SW
TR/SS BIAS
INTV
CC
FB
RT GND
0.1µF
4.7pF
47µF
1210
X5R/X7R
1M
V
OUT
3.3V
3.5A
1µF
0603
1µF
0603
4.7µF
V
IN
3.8V TO 65V
10nF
18.2k
1µF
1.5µH
324k
GND2GND1
f
SW
= 2MHz
L: VISHAY IHLP2525CZ-01
TYPICAL APPLICATIONS
12V, 3.5A Step-Down Converter
V
IN2
V
IN1
EN/UV
PG
LT8641
8641 TA04
BST
SYNC/MODE SW
TR/SS BIAS
INTV
CC
FB
RT GND
0.1µF
4.7pF
47µF
1210
X5R/X7R
1M
V
OUT
12V
3.5A
1µF
0603
1µF
0603
4.7µF
V
IN
12.5V TO 65V
10nF
41.2k
1µF
6.8µH
71.5k
GND2GND1
f
SW
= 1MHz
L: VISHAY IHLP2525EZ-01
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