LTC3415 Datasheet, PDF (24/28 Pages) Linear Technology – 7A, PolyPhase Synchronous Step-Down Regulator

LTC3415
TYPICAL APPLICATIONS
Dual LTC3415 Dual Output Sequencing Application
SHDNB
0.01μF
100k
V_IN
22μF
3x
10k
100pF
0.1μF
1Ω
10k 100pF
1000pF
10pF
SGND
CLKIN
SV_IN
38 37 36 35 34 33 32
1 ^{CLKOUT RUN PVIN PVIN SVIN ITHM ITH} 31
NC
NC
2
30
SGND
TRACK
3
PLLLPF
4
29
V_FB
28
5 ^PVIN
PV_IN
27
PV_IN
6
SW
7
SW
LTC3415EUHF
PV_IN
26
SW
25
SW
8
SW
24
SW
9
23
SW
SW
10
22
MODE
11
PGND (39)
PGOOD
21
CLKIN
BSEL
12
20
PHMODE
MGN
PGND PGND PGND PGND PGND PGND PGND
13 14 15 16 17 18 19
47μF
3x
9.53k
SV_IN
30.5k
100k
SV_IN
BSEL
MGN
V_OUT (2.5V)
0.2μH
100k
SHDNB
0.1μF
1Ω
V_IN
10k 100pF
1000pF
22μF
3x
10k ^SGND
100pF 10pF
CLKIN2
SGND
PHMODE
38 37 36 35 34 33 32
1 ^{CLKOUT RUN PVIN PVIN SVIN ITHM ITH} 31
NC
NC
2
SGND
30
TRACK
3
29
PLLLPF
4
5 ^PVIN
PV_IN
6
SW
7
LTC3415EUHF
V_FB
28
PV_IN
27
PV_IN
26
SW
25
SW
SW
8
SW
24
SW
9
23
SW
SW
10
22
MODE
11
PGND (39)
PGOOD
21
CLKIN
BSEL
12
20
PHMODE
MGN
PGND PGND PGND PGND PGND PGND PGND
13 14 15 16 17 18 19
15k
SV_IN
30.5k
100k
SV_IN
BSEL
MGN
0.2μH
47μF
3x
V_OUT (1.8V)
V_OUT (1.8V)
3415 TA05
OUTPUT SEQUENCING
SHDNB
V_OUT1 = 2.5V
V_OUT2 = 1.8V
24
3415fa