LTC3418EUHF Просмотр технического описания (PDF) - Linear Technology
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LTC3418EUHF Datasheet PDF : 20 Pages
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LTC3418
TYPICAL APPLICATIONS
VIN
5V
RSVIN
100Ω
3.3V, 8A Step-Down Regulator Synchronized to 1.25MHz
CIN
100μF
×2
RSS RPG
2.2M 100k
CSVIN
1μF
X7R CSS
1000pF
X7R
3
PVIN
4
PVIN
9
PVIN
10
PVIN
22
PVIN
23
PVIN
28
PVIN
29
PVIN
24
SVIN
1
SW
2
SW
11
SW
12
SW
20
SW
21
SW
30
SW
31
SW
25
VFB
LTC3418
35
TRACK
5
PGOOD
16
VREF
38
PGND
7
RUN/SS
37
PGND
CITH
RITH
2k
2200pF
X7R C1
47pF
26
ROSC 69.8k 6
8
13
ITH
RT
SGND
PGND
36
PGND
34
PGND
33
PGND
32
PGND
X7R
14
19
PGND
PGND
15
PGND
18
PGND
27
17
SYNC/MODE PGND
L1
0.33μH
C1
1000pF
X7R
R1
6.34k
R2
2k
COUT
100μF
×3
VOUT
3.3V
8A
CREF
2.2μF
VREF
X7R
1.25MHz CLOCK
CIN, COUT: TDK C3225X5R0J107M
L1: VISHAY DALE IHLP-2525CZ-01
3418 TA02
16
1.2V, 8A Step-Down Regulator at 2MHz, Forced Continuous Mode
VIN
3.3V
RSVIN
100Ω
CIN
100μF
×4
RSS RPG
2.2M 100k
CSVIN
1μF
X7R
CSS
1000pF
X7R
3
PVIN
4
PVIN
9
PVIN
10
PVIN
22
PVIN
23
PVIN
28
PVIN
29
PVIN
24
SVIN
1
SW
2
SW
11
SW
12
SW
20
SW
21
SW
30
SW
31
SW
25
VFB
LTC3418
35
TRACK
27
SYNC/MODE
16
VREF
38
PGND
5
PGOOD
37
PGND
7
RUN/SS
36
PGND
CITH
RITH
4.99k
2200pF
X7R C1
47pF
26
ROSC 30.1k 6
8
14
ITH
RT
SGND
PGND
34
PGND
33
PGND
32
PGND
19
PGND
X7R
15
18
PGND
PGND
13
PGND
17
PGND
L1
0.2μH
C1
1000pF
X7R
R1
1k
R2
2k
COUT
100μF
×3
VOUT
1.2V
8A
CREF
2.2μF
X7R
VREF
CIN, COUT: AVX 12106D107MAT
L1: COOPER FP3-R20
3418 TA03
3418fb
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