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Datasheet

ManualsBrandsLinear Technology ManualsDC / DC Adjustable Switching RegulatorsSwitching Regulator IC Step-Down MSOP- 41.5V
17181920212223242526
LT8609/LT8609A/LT8609B
21
Rev. H
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TYPICAL APPLICATIONS
3.3V Step-Down
5V Step-Down
C1
0.1µF
C2
4.7µF
C3
1µF
C4
22µF
1206
C5
10pF
L1
2.2µH
R1
18.2k
R2
1M
R3
309k
R4
100k
C6
10nF
V
IN
EN/UV
SYNC
LT8609
INTV
CC
TR/SS
RT
GND
FB
PG
SW
BST
V
IN
4.3V
TO 42V
POWER
GOOD
f
SW
= 2MHz
L1 = COILCRAFT XFL4020-222ME
V
OUT
3.3V
3A
8609 TA02
C1
0.1µF
C2
4.7µF
C3
1µF
C4
22µF
1206
C5
10pF
L1
2.2µH
R1
18.2k
R2
1M
R3
187k
R4
100k
C6
10nF
V
IN
EN/UV
SYNC
LT8609
INTV
CC
TR/SS
RT
GND
FB
PG
SW
BST
V
IN
6V
TO 42V
POWER
GOOD
f
SW
= 2MHz
L1 = COILCRAFT XFL4020-222ME
V
OUT
5V
3A
8609 TA03
12V Step-Down
C1
0.1µF
C2
4.7µF
C3
1µF
C4
22µF
1210
C5
10pF
L1
10µH
R1
40.2k
R2
1M
R3
69.8k
R4
100k
C6
10nF
V
IN
EN/UV
SYNC
LT8609
INTV
CC
TR/SS
RT
GND
FB
PG
SW
BST
V
IN
13V
TO 42V
POWER
GOOD
F
SW
= 1MHz
L1 = COILCRAFT XAL4040-103ME
V
OUT
12V
3A
8609 TA04
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