针对Altera FPGA和CPLD的电源管理
美国国家半导体公司提供了帮您找到满足您的Altera FPGA和设计要求的最佳电源管理解决方案的全套工具。
- 无电感开关稳压器Inductorless Switching Regulators
- 开关降压稳压器Switching Buck Regulators
- 同步步降控制器Synchronous Buck Controllers
- 线性稳压器Linear Regulators
- 可调电压监控/上电复位器Select Voltage Supervisors / Power-on-Reset ICs
无电感开关稳压器Inductorless Switching Regulators
| Part Number |
Vin min |
Vin max |
Vout options for FPGAs / CPLDs |
Iout max |
Shut down |
Syncrectifica-tion |
Fsw (kHz) |
Comments |
Package |
Temp Range |
| LM2788 |
2.6 |
5.5 |
1.5, 1.8, 2.0 |
120mA |
|
|
500 |
|
MSOP-10 |
-40 to 125 |
| LM2798 |
2.6 |
5.5 |
1.5, 1.8, 2.0 |
120mA |
|
|
500 |
Power Good flag |
MSOP-10 |
-40 to 125 |
| LM3352 |
2.5 |
5.5 |
2.5, 3.0, 3.3 |
200mA |
|
|
900 |
|
TSSOP-16 |
-40 to 125 |
| LM2770 |
2.7 |
5.5 |
1.2, 1.5 |
250mA |
|
|
700 |
sleep mode |
LLP-10 |
-30 to 105 |
开关降压稳压器Switching Buck Regulators
| Part Number |
Vin min |
Vin max |
Vout options for FPGAs / CPLDs |
Iout max |
Shut down |
Sync rectification |
Fsw (kHz) |
Comments |
Package |
Temp Range |
| LM3670 |
2.5 |
5.5 |
1.2, 1.5, 1.8, 2.5, 3.3 & ADJ (0.7V & up) |
350mA |
|
|
1000 |
|
SOT23-5 |
-40 to 125 |
| LM2619 |
2.8 |
5.5 |
ADJ (1.5V & up) |
500mA |
|
|
500 - 1000 |
|
TSSOP-14 |
-25 to 85 |
| LM2671 |
8 |
40 |
3.3 & ADJ (1.21 & up) |
500mA |
|
|
260 - 400 |
Webench Tool |
SO-8, LLP-16, DIP-8 |
-40 to 125 |
| LM3671 |
2.5 |
5.5 |
1.2, 1.5, 1.8 & ADJ (0.5V & up) |
600mA |
|
|
2000 |
|
SOT23-5 |
-40 to 125 |
| LM2736 |
3 |
18 |
ADJ (1.25V & up) |
750mA |
|
|
550, 1600, 3000 |
Webench Tool |
SOT23-5 |
-40 to 125 |
| LM2734 |
3 |
20 |
ADJ (0.8V & up) |
1000mA |
|
|
550, 1600, 3000 |
Webench Tool |
SOT23-5 |
-40 to 125 |
| LM2651 |
4 |
14 |
1.8, 2.5, 3.3 & ADJ (1.24 & up) |
1500mA |
|
|
300 |
Webench Tool |
TSSOP-16 |
-40 to 125 |
| LM2653 |
4 |
14 |
ADJ (1.2V & up) |
1500mA |
|
|
300 |
Power Good flag |
TSSOP-16 |
-40 to 125 |
| LM2655 |
4 |
14 |
3.3 & ADJ (1.23 & up) |
2500mA |
|
|
300 |
|
TSSOP-16 |
-40 to 125 |
| LM2599 |
4.5 |
40 |
3.3 & ADJ (1.23 & up) |
3000mA |
|
|
150 |
Webench Tool |
TO263-7, TO220-7 |
-40 to 125 |
| LM2650 |
4.5 |
18 |
ADJ (1.25 & up) |
3000mA |
|
|
90-300 |
Sync clock |
SO-24 |
-40 to 125 |
| LM2673 |
8 |
40 |
3.3 & ADJ (1.21 & up) |
3000mA |
|
|
260 |
Webench Tool |
TO263-7, LLP-14, TO220-7 |
-40 to 125 |
| LM2679 |
8 |
40 |
3.3 & ADJ (1.21 & up) |
5000mA |
|
|
260 |
Webench Tool |
TO263-7, LLP-14, TO220-7 |
-40 to 125 |
同步降压控制器Synchronous Buck Controllers（5）
| Part Number |
Vin min |
Vin max |
Vout options for FPGAs / CPLDs |
Iout max |
Shut down |
Sync rectification |
Fsw (kHz) |
Comments |
Package |
Temp Range |
| LM2743 |
1 |
16 |
ADJ (0.6V & up) |
1A to 20A |
|
|
50-2000 |
Single Controller |
TSSOP-14 |
-40 to 125 |
| LM2647 |
5.5 |
28 |
ADJ (0.6V & up) |
1A to 20A |
|
|
200 - 500 |
Dual Controller |
TSSOP-28, LLP-28 |
-5 to 125 |
| LM5642 |
4.5 |
36 |
ADJ (1.25V & up) |
1A to 20A |
|
|
150 - 250 |
Dual Controller |
TSSOP-28 |
-40 to 125 |
| LM2633 |
4.5 |
30 |
ADJ (0.9V & up) |
1A to 20A |
|
|
250 |
Dual + LDO |
TSSOP-48 |
-40 to 125 |
| LM2645 |
4.5 |
30 |
ADJ (1.25V & up) |
1A to 20A |
|
|
200, 300 |
Dual + LDO + 3.3V |
TSSOP-48 |
0 to 125 |
线性稳压器Linear Regulators
| Part Number |
Vin min |
Vin max |
Vout options for FPGAs / CPLDs |
Iout max |
Shut down |
Sync rectification |
Fsw (kHz) |
Comments |
Package |
Temp Range |
| LP3990 |
2 |
6 |
1.2, 1.5, 1.8, 2.5, 3.3 |
150mA |
|
|
|
0.47uF Cout |
SOT23-5, LLP-6, uSMD-4 |
-40 to 125 |
| LP2986 |
2.1 |
16 |
3.3 & ADJ (1.24 & up) |
200mA |
|
|
|
Power Good flag |
LLP-8, MSOP-8, SO-8 |
-40 to 125 |
| LP2992 |
2.5 |
16 |
1.5, 1.8, 2.5, 3.0, 3.3 |
250mA |
|
|
|
Power Good flag |
SOT23-5, LLP-6 |
-40 to 125 |
| LP3981 |
2.7 |
6 |
2.5, 3.3 |
300mA |
|
|
|
Low noise LDO |
SO-8, LLP-6 |
-40 to 125 |
| LP3982 |
2.5 |
6 |
1.8, 2.5, 3.0, 3.3 & ADJ (1.25 & up) |
300mA |
|
|
|
Power Good flag |
SO-8, LLP-8 |
-40 to 125 |
| LM2937 |
4.75 |
26 |
2.5, 3.3 |
500mA |
|
|
|
Transient protection |
SOT223-4, TO263-3, TO220-3 |
-40 to 125 |
| LP2989 |
2.1 |
16 |
1.8, 2.5, 3.3 |
500mA |
|
|
|
Power Good flag |
MSOP-8, SO-8, LLP-8 |
-40 to 125 |
| LP8345 |
2.7 |
10 |
1.8, 2.5, 3.3 & ADJ (1.25 & up) |
500mA |
|
|
|
|
TO252-3, LLP-6 |
0 to 125 |
| LP3874 |
2.5 |
7 |
1.2, 1.8, 2.5, 3.3 & ADJ (1.2 & up) |
800mA |
|
|
|
Sense pin |
SOT223-5, TO263-5, TO220-5 |
-40 to 125 |
| LP3875 |
2.5 |
7 |
1.2, 1.8, 2.5, 3.3 & ADJ (1.2 & up) |
1500mA |
|
|
|
Sense pin |
SOT223-5, TO263-5, TO220-5 |
-40 to 125 |
可调电压监控/上电复位器 Select Voltage Supervisors / Power-on-Reset ICs（10）
| Part Number |
Voltage Rails Supervised |
Reset Flag Active |
Reset Timout period |
Low-Line Output |
Manual Reset |
Power Fail Comp. |
Watch Dog |
Supply Reset (POR) |
Package |
| LM3704 |
2.35, 2.5, 2.8, 3.3, 5.0 (1) |
Low |
1.4, 28, 200, 1600 ms (2) |
|
|
|
|
|
10-pin MSOP, 9 pin Micro-SMD |
| LM3705 |
2.5, 3.3, 5.0 (1) |
High |
1.4, 28, 200, 1600 ms (2) |
|
|
|
|
Ö |
10-pin MSOP, 9 pin Micro-SMD |
| LM3710 |
2.5, 3.3, 4.8, 5.0 (1) |
Low |
1.4, 28, 200, 1600 ms (2) |
|
|
|
|
|
10-pin MSOP, 9 pin Micro-SMD |
| LM3711 |
2.5, 3.3, 5.0 (1) |
High |
1.4, 28, 200, 1600 ms (2) |
|
|
|
|
|
10-pin MSOP, 9 pin Micro-SMD |
| LM3722 |
2.5, 3.3, 5.0 |
Low |
190 ms |
|
|
|
|
|
5 pin SOT-23 |
| LM3723 |
2.5, 3.3, 5.0 |
High |
190 ms |
|
|
|
|
|
5 pin SOT-23 |
| LM3724 |
2.5, 3.3, 5.0 |
Low |
190 ms |
|
|
|
|
|
5 pin SOT-23 |
| LP3470 |
2.8, 3.1, 3.3, 3.9, 4.3, 4.7, 5.0 (1) |
Low |
Adj. w/ external cap. |
|
|
|
|
|
5 pin SOT-23 |
| LMC6953 |
3.3 and 5.0 (Dual) |
Low |
Adj. w/ external cap. |
|
|
|
|
|
8 pin SOIC |
| LM8365 |
2.5, 3.0, 3.3, 5.0 |
Low |
Adj. w/ external cap. |
|
|
|
|
|
5 pin SOT-23 |
