降压型稳压器
内部电源开关 - 降压型稳压器:凌力尔特公司制造了门类宽泛、具有同步和异步内部开关的高性能降压型开关稳压器产品线。这些稳压器提供了 2.25V 至 30V 的典型输入电压能力、高达4MHz的开关频率以及效率高达 96% 的高效运作。这些特点的组合造就了非常小巧的电路实现方案,并优化了电池供电型手持式设备中的电池运行时间。(156)
型号 |
Vin Min |
Vin Max |
Output Current |
Vout Min |
Frequency |
Synchronous |
Multiple Output |
Packages |
数据手册DataSheet下载 |
LTC3642 |
4.5 |
60 |
0.05 |
0.8 |
|
yes |
no |
MS-8, DFN-8 |
LTC3642 |
LT1934-1 |
3.2 |
34 |
0.07 |
1.25 |
|
no |
no |
ThinSOT |
LT1934-1 |
LT3470 |
4 |
40 |
0.2 |
1.25 |
|
no |
no |
ThinSOT, DFN-8 |
LT3470 |
LT3470A |
4 |
40 |
0.25 |
1.25 |
|
no |
no |
DFN-8 |
LT3470A |
LTC1779 |
2.5 |
9.8 |
0.25 |
0.8 |
550 |
no |
no |
ThinSOT |
LTC1779 |
LTC3100 |
0.65 |
5 |
0.25 |
0.6 |
1,500 |
|
yes |
QFN-16 |
LTC3100 |
LTC3549 |
1.6 |
5.5 |
0.25 |
0.611 |
2,250 |
yes |
no |
DFN-6 |
LTC3549 |
LT1934 |
3.2 |
34 |
0.3 |
1.25 |
|
no |
no |
ThinSOT, DFN-6 |
LT1934 |
LTC3405A |
2.65 |
5.5 |
0.3 |
0.8 |
1,500 |
yes |
no |
ThinSOT |
LTC3405A |
LTC3405A-1.375 |
2.5 |
5.5 |
0.3 |
1.375 |
1,500 |
yes |
no |
ThinSOT |
LTC3405A-1.375 |
LTC3405A-1.5 |
2.65 |
5.5 |
0.3 |
1.5 |
1,500 |
yes |
no |
ThinSOT |
LTC3405A-1.5 |
LTC3405A-1.8 |
2.65 |
5.5 |
0.3 |
1.8 |
1,500 |
yes |
no |
ThinSOT |
LTC3405A-1.8 |
LTC3410 |
2.5 |
5.5 |
0.3 |
0.8 |
2,250 |
yes |
no |
SC-70 |
LTC3410 |
LTC3410-1.875 |
2.5 |
5.5 |
0.3 |
1.875 |
2,250 |
yes |
no |
SC-70 |
LTC3410-1.875 |
LTC3410B |
2.5 |
5.5 |
0.3 |
0.8 |
2,250 |
yes |
no |
SC-70 |
LTC3410B |
LTC3544 |
2.25 |
5.5 |
0.3 |
0.8 |
2.25 |
yes |
yes |
QFN-16 |
LTC3544 |
LTC3544B |
2.25 |
5.5 |
0.3 |
0.8 |
2,250 |
yes |
yes |
QFN-16 |
LTC3544B |
LTC3547 |
2.5 |
5.5 |
0.3 |
0.6 |
2,250 |
yes |
yes |
DFN-8 |
LTC3547 |
LTC3547B |
2.5 |
5.5 |
0.3 |
0.6 |
2,250 |
yes |
yes |
DFN-8 |
LTC3547B |
LT3437 |
3.3 |
80 |
0.4 |
1.25 |
200 |
no |
no |
DFN-10, TSSOP-16 |
LT3437 |
LTC3522 |
2.4 |
5.5 |
0.4 |
0.6 |
1,000 |
yes |
yes |
QFN-10 |
LTC3522 |
LTC3559 |
3 |
5.5 |
0.4 |
0.8 |
2.25 |
yes |
yes |
QFN-16 |
LTC3559 |
LTC3670 |
2.5 |
5.5 |
0.4 |
0.8 |
2,250 |
yes |
yes |
DFN-12 |
LTC3670 |
LTC3672B-1 |
2.9 |
5.5 |
0.4 |
1.8 |
2,250 |
yes |
yes |
DFN-8 |
LTC3672B-1 |
LTC3672B-2 |
2.9 |
5.5 |
0.4 |
1.2 |
2,250 |
yes |
yes |
DFN-8 |
LTC3672B-2 |
LTC1174 |
4 |
13.5 |
0.432 |
1.25 |
200 |
no |
no |
N-8,SO-8 |
LTC1174 |
LTC1174HV |
4 |
18.5 |
0.432 |
1.25 |
200 |
no |
no |
N-8,SO-8 |
LTC1174HV |
LT1676 |
7.4 |
60 |
0.44 |
1.24 |
100 |
no |
no |
SO-8 |
LT1676 |
LT1777 |
7 |
48 |
0.44 |
1.24 |
100 |
no |
no |
SO-16 |
LT1777 |
LT1612 |
2 |
5.5 |
0.48 |
0.62 |
800 |
yes |
no |
SO-8,MS-8 |
LT1612 |
LTC1433 |
3.5 |
13.5 |
0.48 |
1.3 |
240 |
no |
no |
TSSOP-16, TSSOP-20 |
LTC1433 |
LTC1434 |
3.5 |
13.5 |
0.48 |
1.3 |
240 |
no |
no |
SSOP-16, SSOP-20 |
LTC1434 |
LT3502 |
3 |
40 |
0.5 |
0.8 |
2,200 |
no |
no |
DFN-8, MS-10 |
LT3502 |
LTC1504A |
4 |
10 |
0.5 |
1.27 |
200 |
no |
no |
SO-8 |
LTC1504A |
LTC3541 |
2.7 |
5.5 |
0.5 |
0.4 |
2,250 |
yes |
yes |
DFN-10 |
LTC3541 |
LTC3541-1 |
2.7 |
5.5 |
0.5 |
0.8 |
2,250 |
yes |
yes |
DFN-10 |
LTC3541-1 |
LTC3541-2 |
2.7 |
5.5 |
0.5 |
1.5 |
2,250 |
yes |
yes |
DFN-10 |
LTC3541-2 |
LTC3541-3 |
2.7 |
5.5 |
0.5 |
1.575 |
2,250 |
yes |
yes |
DFN-10 |
LTC3541-3 |
LTC3542 |
2.5 |
5.5 |
0.5 |
0.6 |
2,250 |
yes |
no |
DFN-6, ThinSOT |
LTC3542 |
LTC3563 |
2.5 |
5.5 |
0.5 |
1.28 |
2,250 |
yes |
no |
DFN-6 |
LTC3563 |
LT1616 |
3.6 |
25 |
0.504 |
1.25 |
1,400 |
no |
no |
ThinSOT |
LT1616 |
LT1776 |
7.4 |
40 |
0.56 |
1.24 |
200 |
no |
no |
N-8,SO-8 |
LT1776 |
LT1933 |
3.6 |
36 |
0.6 |
1.245 |
500 |
no |
no |
ThinSOT, DFN-6 |
LT1933 |
LTC1707 |
2.9 |
8.5 |
0.6 |
0.8 |
350 |
yes |
no |
SO-8 |
LTC1707 |
LTC1877 |
2.65 |
10 |
0.6 |
0.8 |
550 |
yes |
no |
MS-8 |
LTC1877 |
LTC1878 |
2.65 |
6 |
0.6 |
0.8 |
550 |
yes |
no |
MS-8 |
LTC1878 |
LTC3403 |
2.5 |
5 |
0.6 |
0.3 |
1,500 |
yes |
no |
DFN-8 |
LTC3403 |
LTC3404 |
2.65 |
5.5 |
0.6 |
0.8 |
1,400 |
yes |
no |
MS-8 |
LTC3404 |
LTC3406 |
2.5 |
5.5 |
0.6 |
0.6 |
1,500 |
yes |
no |
ThinSOT |
LTC3406 |
LTC3406-1.2 |
2.5 |
5.5 |
0.6 |
1.2 |
1,500 |
yes |
no |
ThinSOT |
LTC3406-1.2 |
LTC3406-1.5 |
2.5 |
5.5 |
0.6 |
1.5 |
1,500 |
yes |
no |
ThinSOT |
LTC3406-1.5 |
LTC3406-1.8 |
2.5 |
5.5 |
0.6 |
1.8 |
1,500 |
yes |
no |
ThinSOT |
LTC3406-1.8 |
LTC3406A |
2.5 |
5.5 |
0.6 |
0.6 |
1,500 |
yes |
no |
ThinSOT |
LTC3406A |
LTC3406AB |
2.5 |
5.5 |
0.6 |
0.6 |
1,500 |
yes |
no |
ThinSOT |
LTC3406AB |
LTC3406AB-2 |
2.5 |
5.5 |
0.6 |
0.6 |
2,250 |
yes |
no |
ThinSOT |
LTC3406AB-2 |
LTC3406B |
2.5 |
5.5 |
0.6 |
0.6 |
1,500 |
yes |
no |
ThinSOT |
LTC3406B |
LTC3406B-1.2 |
2.5 |
5.5 |
0.6 |
1.2 |
1,500 |
yes |
no |
ThinSOT |
LTC3406B-1.2 |
LTC3406B-2 |
2.5 |
5.5 |
0.6 |
0.6 |
2,250 |
yes |
no |
ThinSOT |
LTC3406B-2 |
LTC3407A |
2.5 |
5.5 |
0.6 |
0.6 |
1,500 |
yes |
yes |
DFN-10, MS-10 |
LTC3407A |
LTC3408 |
2.5 |
5 |
0.6 |
0.3 |
1,500 |
yes |
no |
ThinSOT |
LTC3408 |
LTC3409 |
1.6 |
5.5 |
0.6 |
0.62 |
|
yes |
no |
DFN-8 |
LTC3409 |
LTC3419 |
2.5 |
5.5 |
0.6 |
0.6 |
2,250 |
yes |
yes |
DFN-8, MS-10 |
LTC3419 |
LTC3445 |
2.5 |
5.5 |
0.6 |
0.85 |
1,500 |
yes |
yes |
QFN-24 |
LTC3445 |
LTC3447 |
2.5 |
5.5 |
0.6 |
0.69 |
1,000 |
yes |
no |
DFN-10 |
LTC3447 |
LTC3448 |
2.5 |
5.5 |
0.6 |
0.6 |
2,250 |
yes |
no |
DFN-8, MS-8 |
LTC3448 |
LTC3543 |
2.5 |
5.5 |
0.6 |
0.6 |
2,250 |
yes |
no |
DFN-6 |
LTC3543 |
LTC3562 |
2.85 |
5.5 |
0.6 |
0.425 |
2,250 |
yes |
yes |
QFN-20 |
LTC3562 |
LTC1627 |
2.65 |
8.5 |
0.64 |
0.8 |
350 |
yes |
no |
SO-8 |
LTC1627 |
LTC1701 |
2.5 |
5 |
0.72 |
1.25 |
1,000 |
no |
no |
ThinSOT |
LTC1701 |
LTC1701B |
2.5 |
5 |
0.72 |
1.25 |
1,000 |
no |
no |
ThinSOT |
LTC1701B |
LTC3407-3 |
3.3 |
5.5 |
0.8 |
1.8 |
2,250 |
yes |
yes |
DFN-10 |
LTC3407-3 |
LTC3407-4 |
2.5 |
5.5 |
0.8 |
0.6 |
2,250 |
yes |
yes |
DFN-10, MS-10 |
LTC3407-4 |
LTC3407A-2 |
2.5 |
5.5 |
0.8 |
0.6 |
2,250 |
yes |
yes |
DFN-10, MS-10 |
LTC3407A-2 |
LTC3545 |
2.25 |
5.5 |
0.8 |
0.6 |
|
yes |
yes |
QFN-16 |
LTC3545 |
LTC3548 |
2.5 |
5.5 |
0.8 |
0.6 |
2,250 |
yes |
yes |
DFN-10, MS-10 |
LTC3548 |
LTC3548-1 |
2.5 |
5.5 |
0.8 |
1.575 |
2,250 |
yes |
yes |
DFN-10 |
LTC3548-1 |
LTC3548-2 |
2.5 |
5.5 |
0.8 |
0.6 |
2,250 |
yes |
yes |
DFN-10 |
LTC3548-2 |
LTC3560 |
2.5 |
5.5 |
0.8 |
0.6 |
2,250 |
yes |
no |
ThinSOT |
LTC3560 |
LT1176 |
7.3 |
35 |
0.96 |
2.2 |
100 |
no |
no |
N-8,SO-20 |
LT1176 |
LTC1265 |
4 |
13 |
0.96 |
1.25 |
700 |
no |
no |
SO-14 |
LTC1265 |
LT3503 |
3.6 |
20 |
1 |
0.78 |
2,200 |
no |
no |
DFN-6 |
LT3503 |
LT3682 |
3.6 |
36 |
1 |
0.8 |
2,200 |
no |
no |
DFN-12 |
LT3682 |
LTC3446 |
2.7 |
5.5 |
1 |
0.4 |
2,250 |
yes |
yes |
DFN-14 |
LTC3446 |
LTC3520 |
2.2 |
5.5 |
1 |
0.8 |
2,000 |
yes |
yes |
QFN-24 |
LTC3520 |
LTC3561 |
2.625 |
5.5 |
1 |
0.8 |
4,000 |
yes |
no |
DFN-8 |
LTC3561 |
LTC3561A |
2.5 |
5.5 |
1 |
0.8 |
4,000 |
yes |
no |
DFN-8 |
LTC3561A |
LT1375 |
5 |
25 |
1.2 |
2.42 |
500 |
no |
no |
N-8,SO-8,SO-16 |
LT1375 |
LT1375HV |
5 |
30 |
1.2 |
2.42 |
500 |
no |
no |
N-8,SO-8,SO-16 |
LT1375HV |
LT1766 |
5.5 |
60 |
1.2 |
1.2 |
200 |
no |
no |
TSSOP-16, TSSOP-16E |
LT1766 |
LT1767 |
3 |
25 |
1.2 |
1.2 |
1,250 |
no |
no |
MS-8, MS-8E |
LT1767 |
LT1956 |
5.5 |
60 |
1.2 |
1.2 |
500 |
no |
no |
TSSOP-16, TSSOP-16E |
LT1956 |
LT3493 |
3.6 |
40 |
1.2 |
0.78 |
750 |
no |
no |
DFN-6 |
LT3493 |
LT3493-3 |
6.8 |
40 |
1.2 |
0.78 |
750 |
no |
no |
DFN-6 |
LT3493-3 |
LT3505 |
3.6 |
36 |
1.2 |
0.78 |
3,000 |
no |
no |
DFN-8, MS-8E |
LT3505 |
LT3653 |
7.5 |
30 |
1.2 |
5 |
1,500 |
no |
no |
DFN-8 |
LT3653 |
LTC1879 |
2.65 |
10 |
1.2 |
0.8 |
550 |
yes |
no |
TSSOP-16 |
LTC1879 |
LT1976 |
3.3 |
60 |
1.24 |
1.2 |
200 |
no |
no |
TSSOP-16, TSSOP-16E |
LT1976 |
LT1977 |
3.3 |
60 |
1.24 |
1.2 |
500 |
no |
no |
TSSOP-16 |
LT1977 |
LTC3411 |
2.5 |
5.5 |
1.25 |
0.8 |
4,000 |
yes |
no |
DFN-10, MS-10 |
LTC3411 |
LTC3411A |
2.5 |
5.5 |
1.25 |
0.8 |
4,000 |
yes |
no |
DFN-10, MS-10 |
LTC3411A |
LTC3564 |
2.5 |
5.5 |
1.25 |
0.6 |
2,250 |
yes |
no |
SOT-23, DFN-6 |
LTC3564 |
LT1936 |
3.6 |
36 |
1.4 |
1.2 |
500 |
no |
no |
MS-8E |
LT1936 |
LT1940 |
3.6 |
25 |
1.4 |
1.25 |
1,100 |
no |
yes |
TSSOP-16E |
LT1940 |
LT1940L |
3.6 |
7 |
1.4 |
1.25 |
1,100 |
no |
yes |
TSSOP-16E |
LT1940L |
LT3508 |
3.7 |
36 |
1.4 |
0.8 |
2,500 |
no |
yes |
TSSOP-16, QFN-24 |
LT3508 |
LTC3417 |
2.25 |
5.5 |
1.4 |
0.8 |
4,000 |
yes |
yes |
DFN-16, TSSOP-20 |
LTC3417 |
LT3570 |
2.5 |
36 |
1.5 |
0.8 |
2,500 |
no |
yes |
QFN-24, TSSOP-20 |
LT3570 |
LTC1875 |
2.65 |
6 |
1.5 |
0.8 |
550 |
yes |
no |
TSSOP-16 |
LTC1875 |
LTC3417A |
2.25 |
5.5 |
1.5 |
0.8 |
4,000 |
yes |
yes |
DFN-16, TSSOP-20 |
LTC3417A |
LTC3417A-1 |
2.25 |
5.5 |
1.5 |
0.8 |
4,000 |
yes |
yes |
DFN-16, TSSOP-20 |
LTC3417A-1 |
LTC3417A-2 |
2.25 |
5.5 |
1.5 |
0.8 |
1,500 |
yes |
yes |
DFN-20, TSSOP-20 |
LTC3417A-2 |
LT1076 |
7.3 |
45 |
1.6 |
2.21 |
|
no |
no |
DD-5, DD-7, T5, T7 |
LT1076 |
LT1076-5 |
7.3 |
45 |
1.6 |
5 |
100 |
no |
no |
DD-5, DD-7,T5,T7 |
LT1076-5 |
LT1076HV |
7.3 |
64 |
1.6 |
2.21 |
|
no |
no |
DD-5, DD-7, T5, T7 |
LT1076HV |
LT3506 |
3.6 |
25 |
1.6 |
0.8 |
575 |
no |
yes |
DFN-16, TSSOP-16 |
LT3506 |
LT3506A |
3.6 |
25 |
1.6 |
0.8 |
1,100 |
no |
yes |
DFN-16, TSSOP-16 |
LT3506A |
LTC3568 |
2.5 |
5.5 |
1.8 |
0.8 |
4,000 |
yes |
no |
DFN-10 |
LTC3568 |
LT1912 |
3.6 |
36 |
2 |
0.79 |
500 |
no |
no |
MS-10 |
LT1912 |
LT1939 |
3 |
25 |
2 |
0.8 |
2,200 |
no |
yes |
DFN-12 |
LT1939 |
LT3480 |
3.6 |
60 |
2 |
0.79 |
2,400 |
no |
no |
DFN-10, MS-10 |
LT3480 |
LT3481 |
3.6 |
36 |
2 |
1.265 |
2,800 |
no |
no |
MS-10, DFN-10 |
LT3481 |
LT3500 |
3 |
40 |
2 |
0.8 |
2,200 |
no |
yes |
DFN-12 |
LT3500 |
LT3510 |
3.3 |
25 |
2 |
0.8 |
1,500 |
no |
yes |
TSSOP-20 |
LT3510 |
LT3681 |
3.6 |
36 |
2 |
1.265 |
2,800 |
no |
no |
DFN-14 |
LT3681 |
LT3684 |
3.6 |
36 |
2 |
1.265 |
2,800 |
no |
no |
MS-10, DFN-10 |
LT3684 |
LT3685 |
3.6 |
60 |
2 |
0.79 |
2,400 |
no |
no |
DFN-10, MS-10 |
LT3685 |
LT1938 |
3.6 |
25 |
2.2 |
1.265 |
2,800 |
no |
no |
DFN-10 |
LT1938 |
LT1765 |
3 |
25 |
2.4 |
1.2 |
1,250 |
no |
no |
SO-8, TSSOP-16E |
LT1765 |
LT1943 |
4.5 |
22 |
2.4 |
1.25 |
1,200 |
no |
yes |
TSSOP-28E |
LT1943 |
LT3435 |
3.3 |
60 |
2.4 |
1.25 |
500 |
no |
no |
TSSOP-16 |
LT3435 |
LT3507 |
4 |
36 |
2.4 |
0.8 |
2,500 |
no |
yes |
QFN-38 |
LT3507 |
LTC3412 |
2.625 |
5.5 |
2.5 |
0.8 |
4,000 |
yes |
no |
TSSOP-16E, QFN-16 |
LTC3412 |
LTC3602 |
4.5 |
10 |
2.5 |
0.6 |
3,000 |
yes |
no |
TSSOP-16, QFN-20 |
LTC3602 |
LT3430 |
5.5 |
60 |
2.75 |
1.2 |
200 |
no |
no |
TSSOP-16E |
LT3430 |
LT3430-1 |
5.5 |
60 |
2.75 |
1.2 |
100 |
no |
no |
TSSOP-16E |
LT3430-1 |
LT3431 |
5.5 |
60 |
2.75 |
1.2 |
500 |
no |
no |
TSSOP-16E |
LT3431 |
LT1941 |
3.5 |
25 |
3 |
1.25 |
1,100 |
no |
yes |
TSSOP-28 |
LT1941 |
LT3501 |
3.3 |
25 |
3 |
0.8 |
1,500 |
no |
yes |
TSSOP-20 |
LT3501 |
LTC3412A |
2.25 |
5.5 |
3 |
0.8 |
4,000 |
yes |
no |
TSSOP-16, QFN-16 |
LTC3412A |
LT1913 |
3.6 |
25 |
3.5 |
0.79 |
2,400 |
no |
no |
DFN-10 |
LT1913 |
LT3680 |
3.6 |
36 |
3.5 |
0.79 |
2,400 |
no |
no |
MS-10, DFN-10 |
LT3680 |
LT3693 |
3.6 |
36 |
3.5 |
0.79 |
2,400 |
no |
no |
MS-10, DFN-10 |
LT3693 |
LT3972 |
3.6 |
33 |
3.5 |
0.79 |
2,400 |
no |
no |
MS-10, DFN-10 |
LT3972 |
LT1374 |
5 |
25 |
3.6 |
2.42 |
500 |
no |
no |
SO-8, DD-7, T5, TSSOP-16 |
LT1374 |
LT1374HV |
5 |
32 |
3.6 |
2.42 |
500 |
no |
no |
SO-8, DD-7, T5, TSSOP-16 |
LT1374HV |
LT1959 |
4 |
15 |
3.6 |
1.21 |
500 |
no |
no |
SO-8,DD-7 |
LT1959 |
LTC3414 |
2.3 |
5.5 |
4 |
0.8 |
4,000 |
yes |
no |
TSSOP-20E |
LTC3414 |
LTC3416 |
2.25 |
5.5 |
4 |
0.8 |
4,000 |
yes |
no |
TSSOP-20 |
LTC3416 |
LT1074 |
7.3 |
45 |
4.4 |
2.21 |
|
no |
no |
DD-5, DD-7, T5, T7 |
LT1074 |
LT1074HV |
7.3 |
65 |
4.5 |
2.21 |
|
no |
no |
DD-5, DD-7, T5, T7 |
LT1074HV |
LTC3609 |
4 |
32 |
6 |
0.6 |
|
yes |
no |
QFN-52 |
LTC3609 |
LTC3415 |
2.5 |
5.5 |
7 |
0.6 |
2,250 |
yes |
no |
QFN-38 |
LTC3415 |
LTC3418 |
2.25 |
5.5 |
8 |
0.8 |
4,000 |
yes |
no |
QFN-38 |
LTC3418 |
LTC3608 |
4 |
18 |
8 |
0.6 |
|
yes |
no |
QFN-52 |
LTC3608 |
LTC3611 |
4.5 |
32 |
10 |
0.6 |
1,000 |
yes |
no |
QFN-64 |
LTC3611 |
LTC3610 |
4 |
28 |
12 |
0.6 |
|
yes |
no |
QFN-64 |
LTC3610 |