LTC1629 LINER [Linear Technology], LTC1629 Datasheet - Page 26

• Manufacturer Part Number: LTC1629
• Description: PolyPhase, High Efficiency, Synchronous Step-Down Switching Regulators
• Manufacturer: LINER [Linear Technology]

LTC1629/LTC1629-PG
OPTIONAL
TYPICAL APPLICATIO S
26
CLOCK IN
SYNC
V
V
SWITCHING FREQUENCY = 220kHz
IN
OUT
: 12V
: 3.3V/90A
0.01 F
0.01 F
0.33 F
47k
47pF
47pF
0.33 F
24k
8.06k, 1%
10k
10k
1nF
1nF
75k
470pF
25.5k, 1%
100pF
6800pF
1000pF
1000pF
1000pF
1000pF
1000pF
1000pF
MI – M24: FDS6680A
L1 – L6: 1 H PANASONIC ETQP6F1R0S
D7 – D12: CENTROL CMDSH-3TR
100pF
100pF
NC
NC
10
11
12
13
14
10
11
12
13
14
10
11
12
13
14
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
U
RUN/SS
SENSE1
SENSE1
EAIN
PLLFLTR
PLLIN
PHASMD
I
SGND
V
V
V
SENSE2
SENSE2
RUN/SS
SENSE1
SENSE1
EAIN
PLLFLTR
PLLIN
PHASMD
I
SGND
V
V
V
SENSE2
SENSE2
RUN/SS
SENSE1
SENSE1
EAIN
PLLFLTR
PLLIN
PHASMD
I
SGND
V
V
V
SENSE2
SENSE2
TH
TH
TH
Figure 11. High Current 3.3V/90A 6-Phase Application
DIFFOUT
OS
OS
DIFFOUT
OS
OS
DIFFOUT
OS
OS
–
+
–
+
–
+
LTC1629
LTC1629
LTC1629
+
–
–
+
+
–
–
+
+
–
–
+
CLKOUT
BOOST1
BOOST2
CLKOUT
BOOST1
BOOST2
CLKOUT
BOOST1
BOOST2
AMPMD
AMPMD
AMPMD
EXTV
EXTV
EXTV
INTV
INTV
INTV
PGND
PGND
PGND
SW1
SW2
SW1
SW2
SW1
SW2
TG1
BG1
BG2
TG2
TG1
BG1
BG2
TG2
TG1
BG1
BG2
TG2
V
V
V
CC
CC
CC
CC
CC
CC
IN
IN
IN
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28
27
26
25
24
23
22
21
20
19
18
17
16
15
5V
5V
5V
OUTPUT CAPACITORS: KEMET T510X477M006AS
0.47 F
0.47 F
0.47 F
1 F,25V
D8
1 F,25V
D10
1 F,25V
D12
0.47 F
0.47 F
0.47 F
D7
D9
D11
22 F
6.3V
22 F
6.3V
22 F
6.3V
1 F
1 F
1 F
10
10
10
M13
M17
M21
M1
M5
M9
2X150 F
16V
2X150 F
16V
2X150 F
16V
M10
M14
M18
M22
M2
M6
L1
L2
L3
L4
L5
L6
GND
GND
GND
M11
M15
M19
M23
M3
M7
0.003
0.003
0.003
0.003
0.003
0.003
M12
M16
M20
M24
M4
M8
3X470 F, 6.3V
3X470 F, 6.3V
KEMET CAP
KEMET CAP
D1
MBRS
340T3
D2
MBRS
340T3
D3
MBRS
340T3
D4
MBRS
340T3
D5
MBRS
340T3
D6
MBRS
340T3
1629 TA03
3X470 F, 6.3V
KEMET CAP
V
3.3V/90A
OUT1
V
12V
IN