ltc1629-6 Linear Technology Corporation, ltc1629-6 Datasheet - Page 26

• Manufacturer Part Number: ltc1629-6
• Description: Polyphase, Synchronous Step-down Switching Regulator
• Manufacturer: Linear Technology Corporation

LTC1629-6
TYPICAL APPLICATIO S
26
OPTIONAL
CLOCK IN
SYNC
V
V
SWITCHING FREQUENCY = 220kHz
IN
OUT
: 12V
: 3.3V/90A
0.33 F
0.01 F
0.01 F
47pF
47pF
0.33 F
24k
6.04k, 1%
10k
10k
1nF
1nF
75k
100pF
100pF
27.4k, 1%
47k
6800pF
1000pF
1000pF
1000pF
1000pF
1000pF
1000pF
MI – M18: IRF7811W
L1 – L6: 1 H PANASONIC ETQP6F1R0S
D7 – D12: CENTROL CMDSH-3TR
100pF
100pF
NC
NC
U
10
11
12
13
14
10
11
12
13
14
10
11
12
13
14
Figure 11. High Current 3.3V/90A 6-Phase Application
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
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
DIFFOUT
OS
OS
DIFFOUT
OS
OS
DIFFOUT
OS
OS
–
+
–
+
–
+
+
–
LTC1629-6
–
+
+
–
LTC1629-6
–
+
+
–
LTC1629-6
–
+
CLKOUT
BOOST1
BOOST2
CLKOUT
BOOST1
BOOST2
CLKOUT
BOOST1
BOOST2
PGOOD
EXTV
EXTV
EXTV
PGOOD
PGOOD
PGOOD
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
10k
1 F,25V
D8
0.47 F
1 F,25V
D10
0.47 F
1 F,25V
D12
0.47 F
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
M10
M13
M16
M1
M4
M7
2X150 F
2X150 F
2X150 F
16V
16V
16V
L1
L2
L3
L4
L5
L6
M11
M14
M17
M2
M5
M8
GND
GND
GND
M12
M25
M18
M3
M6
M9
0.003
3X470 F, 6.3V
3X470 F, 6.3V
0.003
KEMET CAP
KEMET CAP
0.003
D1
B320A
D2
B320A
D3
B320A
D4
B320A
D5
B320A
D6
B320A
0.003
1629 TA03
3X470 F, 6.3V
KEMET CAP
V
3.3V/90A
OUT1
V
12V
16296f
IN