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