LT3491_集成电路资料查询网

26
ltc1629/ltc1629-pg
图示 11. 高 电流 3.3v/90a 6-阶段 应用
典型 applicatio S
U
V
在
: 12v
V
输出
: 3.3v/90a
切换 频率 = 220khz
mi – m24: fds6680a
l1 – l6: 1
µ
h panasonic etqp6f1r0s
d7 – d12: centrol cmdsh-3tr
输出 电容: kemet t510x477m006as
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CLKOUT
TG1
SW1
BOOST1
V
在
BG1
EXTV
CC
INTV
CC
PGND
BG2
BOOST2
SW2
TG2
AMPMD
run/ss
SENSE1
+
SENSE1
–
EAIN
PLLFLTR
PLLIN
PHASMD
I
TH
SGND
V
DIFFOUT
V
OS
–
V
OS
+
SENSE2
–
SENSE2
+
LTC1629
M7 M8M6M5
0.33
µ
F
0.33
µ
F
OPTIONAL
同步
时钟 在
8.06k, 1%
47k
25.5k, 1%
1000pF
1000pF
6800pF
470pF
100pF
2X150
µ
F
16V
地
M3 M4M2M1
D1
MBRS
340T3
D2
MBRS
340T3
0.47
µ
F
22
µ
F
6.3v
+
+
1
µ
F
1
µ
f,25v
5V
10
Ω
0.47
µ
F
3X470
µ
f, 6.3v
kemet cap
V
OUT1
3.3v/90a
+
L1
0.003
Ω
24k 75k
L2
0.003
Ω
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CLKOUT
TG1
SW1
BOOST1
V
在
BG1
EXTV
CC
INTV
CC
PGND
BG2
BOOST2
SW2
TG2
AMPMD
run/ss
SENSE1
+
SENSE1
–
EAIN
PLLFLTR
PLLIN
PHASMD
I
TH
SGND
V
DIFFOUT
V
OS
–
V
OS
+
SENSE2
–
SENSE2
+
LTC1629
M15 M16M14M13
1nF
10k
1000pF
1000pF
100pF
NC
2X150
µ
F
16V
地
M11 M12M10M9
D3
MBRS
340T3
D4
MBRS
340T3
0.47
µ
F
1
µ
F
10
Ω
0.47
µ
F
3X470
µ
f, 6.3v
kemet cap
V
在
12V
+
L3
0.003
Ω
3X470
µ
f, 6.3v
kemet cap
L4
0.003
Ω
1629 ta03
0.01
µ
F
47pF
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CLKOUT
TG1
SW1
BOOST1
V
在
BG1
EXTV
CC
INTV
CC
PGND
BG2
BOOST2
SW2
TG2
AMPMD
run/ss
SENSE1
+
SENSE1
–
EAIN
PLLFLTR
PLLIN
PHASMD
I
TH
SGND
V
DIFFOUT
V
OS
–
V
OS
+
SENSE2
–
SENSE2
+
LTC1629
M23 M24M22M21
1nF
10k
1000pF
1000pF
NC
2X150
µ
F
16V
地
M19 M20M18M17
D5
MBRS
340T3
D6
MBRS
340T3
0.47
µ
F
D8
D10
D12
1
µ
F
10
Ω
0.47
µ
F
D7
D9
D11
+
L5
0.003
Ω
L6
0.003
Ω
0.01
µ
F
47pF
100pF
22
µ
F
6.3v
+
1
µ
f,25v
5V
22
µ
F
6.3v
+
1
µ
f,25v
5V
++

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26 ltc1629/ltc1629-pg 图示 11. 高电流 3.3v/90a 6-阶段应用典型 applicatio S U V 在 : 12v V 输出 : 3.3v/90a 切换频率 = 220khz mi – m24: fds6680a l1 – l6: 1 µ h panasonic etqp6f1r0s d7 – d12: centrol cmdsh-3tr 输出电容: kemet t510x477m006as 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CLKOUT TG1 SW1 BOOST1 V 在 BG1 EXTV CC INTV CC PGND BG2 BOOST2 SW2 TG2 AMPMD run/ss SENSE1 + SENSE1 – EAIN PLLFLTR PLLIN PHASMD I TH SGND V DIFFOUT V OS – V OS + SENSE2 – SENSE2 + LTC1629 M7 M8M6M5 0.33 µ F 0.33 µ F OPTIONAL 同步时钟在 8.06k, 1% 47k 25.5k, 1% 1000pF 1000pF 6800pF 470pF 100pF 2X150 µ F 16V 地 M3 M4M2M1 D1 MBRS 340T3 D2 MBRS 340T3 0.47 µ F 22 µ F 6.3v + + 1 µ F 1 µ f,25v 5V 10 Ω 0.47 µ F 3X470 µ f, 6.3v kemet cap V OUT1 3.3v/90a + L1 0.003 Ω 24k 75k L2 0.003 Ω 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CLKOUT TG1 SW1 BOOST1 V 在 BG1 EXTV CC INTV CC PGND BG2 BOOST2 SW2 TG2 AMPMD run/ss SENSE1 + SENSE1 – EAIN PLLFLTR PLLIN PHASMD I TH SGND V DIFFOUT V OS – V OS + SENSE2 – SENSE2 + LTC1629 M15 M16M14M13 1nF 10k 1000pF 1000pF 100pF NC 2X150 µ F 16V 地 M11 M12M10M9 D3 MBRS 340T3 D4 MBRS 340T3 0.47 µ F 1 µ F 10 Ω 0.47 µ F 3X470 µ f, 6.3v kemet cap V 在 12V + L3 0.003 Ω 3X470 µ f, 6.3v kemet cap L4 0.003 Ω 1629 ta03 0.01 µ F 47pF 28 27 26 25 24 23 22 21 20 19 18 17 16 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 CLKOUT TG1 SW1 BOOST1 V 在 BG1 EXTV CC INTV CC PGND BG2 BOOST2 SW2 TG2 AMPMD run/ss SENSE1 + SENSE1 – EAIN PLLFLTR PLLIN PHASMD I TH SGND V DIFFOUT V OS – V OS + SENSE2 – SENSE2 + LTC1629 M23 M24M22M21 1nF 10k 1000pF 1000pF NC 2X150 µ F 16V 地 M19 M20M18M17 D5 MBRS 340T3 D6 MBRS 340T3 0.47 µ F D8 D10 D12 1 µ F 10 Ω 0.47 µ F D7 D9 D11 + L5 0.003 Ω L6 0.003 Ω 0.01 µ F 47pF 100pF 22 µ F 6.3v + 1 µ f,25v 5V 22 µ F 6.3v + 1 µ f,25v 5V ++

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