Power Management Products for Altera FPGAs, Including Inductorless Switching Regulators, Buck Regulators, Synchonous Buck Controllers, and Linear Regulators Home->Altera

National Power Management Solutions for Altera FPGAs and CPLDs

The Power Management Design Guide for Altera FPGAs features individual National Semiconductor device solutions for different Altera families. This parametric table contains those parts mentioned in the design guide.

Recommended Vccint and Vccio Regulators Summary

Recommended Vccint and Vccio Regulators Summary

Inductorless Switching Regulators 

Part Number Vin min Vin max Vout options for FPGAs / CPLDs Iout max Shut
down		 Sync
rectifica-
tion		 Fsw (kHz) Comments Package Temp Range
2.6 5.5 1.5, 1.8, 2.0 120mA Ö   500   MSOP-10 -40 to 125
2.6 5.5 1.5, 1.8, 2.0 120mA Ö   500 Power Good flag MSOP-10 -40 to 125
2.5 5.5 2.5, 3.0, 3.3 200mA Ö   900   TSSOP-16 -40 to 125
2.7 5.5 1.2, 1.5 250mA Ö   700 sleep mode LLP-10 -30 to 105


Switching Buck Regulators 

Part Number Vin min Vin max Vout options for FPGAs / CPLDs Iout max Shut
down		 Sync
rectifica-
tion		 Fsw (kHz) Comments Package Temp Range
2.5 5.5 1.2, 1.5, 1.8, 2.5, 3.3 & ADJ (0.7V & up) 350mA Ö Ö 1000   SOT23-5 -40 to 125
2.8 5.5 ADJ (1.5V & up) 500mA Ö Ö 500 - 1000   TSSOP-14 -25 to 85
8 40 3.3 & ADJ (1.21 & up) 500mA Ö   260 - 400 Webench Tool SO-8, LLP-16, DIP-8 -40 to 125
2.5 5.5 1.2, 1.5, 1.8 & ADJ (0.5V & up) 600mA Ö Ö 2000   SOT23-5 -40 to 125
3 18 ADJ (1.25V & up) 750mA Ö   550, 1600, 3000 Webench Tool SOT23-5 -40 to 125
3 20 ADJ (0.8V & up) 1000mA Ö   550, 1600, 3000 Webench Tool SOT23-5 -40 to 125
4 14 1.8, 2.5, 3.3 & ADJ (1.24 & up) 1500mA Ö Ö 300 Webench Tool TSSOP-16 -40 to 125
4 14 ADJ (1.2V & up) 1500mA Ö Ö 300 Power Good flag TSSOP-16 -40 to 125
4 14 3.3 & ADJ (1.23 & up) 2500mA Ö Ö 300   TSSOP-16 -40 to 125
4.5 40 3.3 & ADJ (1.23 & up) 3000mA Ö   150 Webench Tool TO263-7, TO220-7 -40 to 125
4.5 18 ADJ (1.25 & up) 3000mA Ö Ö 90-300 Sync clock SO-24 -40 to 125
8 40 3.3 & ADJ (1.21 & up) 3000mA     260 Webench Tool TO263-7, LLP-14, TO220-7 -40 to 125
8 40 3.3 & ADJ (1.21 & up) 5000mA     260 Webench Tool TO263-7, LLP-14, TO220-7 -40 to 125


Synchronous Buck Controllers 

Part Number Vin min Vin max Vout options for FPGAs / CPLDs Iout max Shut
down		 Sync rectifica-
tion		 Fsw (kHz) Comments Package Temp Range
1 16 ADJ (0.6V & up) 1A to 20A Ö Ö 50-2000 Single Controller TSSOP-14 -40 to 125
5.5 28 ADJ (0.6V & up) 1A to 20A Ö Ö 200 - 500 Dual Controller TSSOP-28, LLP-28 -5 to 125
4.5 36 ADJ (1.25V & up) 1A to 20A Ö Ö 150 - 250 Dual Controller TSSOP-28 -40 to 125
4.5 30 ADJ (0.9V & up) 1A to 20A Ö Ö 250 Dual + LDO TSSOP-48 -40 to 125
4.5 30 ADJ (1.25V & up) 1A to 20A Ö Ö 200, 300 Dual + LDO + 3.3V TSSOP-48 0 to 125


Linear Regulators 

Part Number Vin min Vin max Vout options for FPGAs / CPLDs Iout max Shut
down		 Sync
rectifica-
tion		 Fsw (kHz) Comments Package Temp Range
2 6 1.2, 1.5, 1.8, 2.5, 3.3 150mA Ö     0.47uF Cout SOT23-5, LLP-6, uSMD-4 -40 to 125
2.1 16 3.3 & ADJ (1.24 & up) 200mA Ö     Power Good flag LLP-8, MSOP-8, SO-8 -40 to 125
2.5 16 1.5, 1.8, 2.5, 3.0, 3.3 250mA Ö     Power Good flag SOT23-5, LLP-6 -40 to 125
2.7 6 2.5, 3.3 300mA Ö     Low noise LDO SO-8, LLP-6 -40 to 125
2.5 6 1.8, 2.5, 3.0, 3.3 & ADJ (1.25 & up) 300mA Ö     Power Good flag SO-8, LLP-8 -40 to 125
4.75 26 2.5, 3.3 500mA       Transient protection SOT223-4, TO263-3, TO220-3 -40 to 125
2.1 16 1.8, 2.5, 3.3 500mA Ö     Power Good flag MSOP-8, SO-8, LLP-8 -40 to 125
2.7 10 1.8, 2.5, 3.3 & ADJ (1.25 & up) 500mA         TO252-3, LLP-6 0 to 125
2.5 7 1.2, 1.8, 2.5, 3.3 & ADJ (1.2 & up) 800mA Ö     Sense pin SOT223-5, TO263-5, TO220-5 -40 to 125
2.5 7 1.2, 1.8, 2.5, 3.3 & ADJ (1.2 & up) 1500mA Ö     Sense pin SOT223-5, TO263-5, TO220-5 -40 to 125


Select Voltage Supervisors / Power-on-Reset ICs 

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
2.35, 2.5, 2.8, 3.3, 5.0 (1) Low 1.4, 28, 200, 1600 ms (2) Ö Ö Ö   Ö 10-pin MSOP, 9 pin Micro-SMD
2.5, 3.3, 5.0 (1) High 1.4, 28, 200, 1600 ms (2) Ö Ö Ö    Ö 10-pin MSOP, 9 pin Micro-SMD
2.5, 3.3, 4.8, 5.0 (1) Low 1.4, 28, 200, 1600 ms (2) Ö Ö Ö Ö Ö 10-pin MSOP, 9 pin Micro-SMD
2.5, 3.3, 5.0 (1) High 1.4, 28, 200, 1600 ms (2) Ö Ö Ö Ö Ö 10-pin MSOP, 9 pin Micro-SMD
2.5, 3.3, 5.0 Low 190 ms   Ö     Ö 5 pin SOT-23
2.5, 3.3, 5.0 High 190 ms   Ö     Ö 5 pin SOT-23
2.5, 3.3, 5.0 Low 190 ms   Ö     Ö 5 pin SOT-23
2.8, 3.1, 3.3, 3.9, 4.3, 4.7, 5.0 (1) Low Adj. w/ external cap.         Ö 5 pin SOT-23
3.3 and 5.0 (Dual) Low Adj. w/ external cap.   Ö     Ö 8 pin SOIC
2.5, 3.0, 3.3, 5.0 Low Adj. w/ external cap.         Ö 5 pin SOT-23

(1) For custom reset threshold voltages between 2.2V and 5V in 10mV increments, contact National Semiconductor
(2) Factory programmed options. Some of these options are available upon request. Please contact your National Sales representative for more information

Other devices from the National Semiconductor Portfolio can be found at Power feature site national.com/power
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