| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Part Status | Function | Output Configuration | Output Type | Number of Outputs | Voltage - Input (Min) | Topology | Voltage - Input (Max) | Voltage - Output (Min/Fixed) | Voltage - Output (Max) | Current - Output | Frequency - Switching | Qualification | Synchronous Rectifier | Grade | Operating Temperature | Mounting Style | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC1174HVCS8-5#PBFIC REG BUCK BOOST 5V 8SO |
151 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Step-Up, Step-Down, Step-Up/Step-Down | Positive or Negative | Fixed | 1 | 4V | Buck, Buck-Boost | 18.5V | 5V | - | 340mA, 600mA | 200kHz | - | No | - | 0°C ~ 70°C (TA) | Surface Mount | 8-SO |
|
LTC1174HVCS8-3.3#PBFIC REG BUCK BOOST 3.3V 8SO |
100 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Step-Up, Step-Down, Step-Up/Step-Down | Positive or Negative | Fixed | 1 | 4V | Buck, Buck-Boost | 18.5V | 3.3V | - | 340mA, 600mA | 200kHz | - | No | - | 0°C ~ 70°C (TA) | Surface Mount | 8-SO |
|
LTC1174HVCS8#PBFIC REG BUCK BOOST ADJ 8SO |
4,449 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Step-Up, Step-Down, Step-Up/Step-Down | Positive or Negative | Adjustable | 1 | 4V | Buck, Buck-Boost | 18.5V | 1.25V | 18V | 340mA, 600mA | 200kHz | - | No | - | 0°C ~ 70°C (TA) | Surface Mount | 8-SO |
|
LT1172HVCQ#PBFIC REG BCK BST ADJ 1.25A DDPAK-5 |
663 |
|
Datasheet |
- | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA | Tube | Active | Step-Up, Step-Down, Step-Up/Step-Down | Positive or Negative | Adjustable | 1 | 3V | Buck, Boost, Cuk, Flyback, Forward Converter | 60V | 1.244V | 75V (Switch) | 1.25A (Switch) | 100kHz | - | No | - | 0°C ~ 100°C (TJ) | Surface Mount | DDPAK-5 |
|
LT1374CS8-5#PBFIC REG BUCK SEPIC 5V 4.5A 8SO |
701 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Step-Down | Positive | Fixed | 1 | 5V | Buck, SEPIC | 25V | 5V | - | 4.5A (Switch) | 500kHz | - | No | - | 0°C ~ 125°C (TJ) | Surface Mount | 8-SO |
|
LT1506CS8#PBFIC REG BUCK ADJ 4.5A 8SO |
700 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Step-Down | Positive | Adjustable | 1 | 4V | Buck | 15V | 2.42V | 13.95V | 4.5A | 500kHz | - | No | - | 0°C ~ 125°C (TJ) | Surface Mount | 8-SO |
|
LT3435EFE#PBFIC REG BUCK ADJ 3A 16TSSOP |
149 |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 1 | 3V | Buck | 60V | 1.25V | 55.2V | 3A (Switch) | 500kHz | - | No | - | 0°C ~ 125°C (TJ) | Surface Mount | 16-TSSOP-EP |
|
|
LT8602EUJ#PBFIC REG BUCK ADJ QUAD 40QFN |
2,623 |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 4 | 2.6V | Buck | 42V | 0.8V, 1V | 42V | 1.5A, 1.8A, 2.5A | 250kHz ~ 2.2MHz | - | Yes | - | -40°C ~ 125°C (TJ) | Surface Mount | 40-QFN (6x6) |
|
LTC3374AIUHF#PBFIC REG BUCK ADJ 1A 8OUT 38QFN |
983 |
|
Datasheet |
- | 38-WFQFN Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 8 | 2.7V | Buck | 5.5V | 0.8V | 5.5V | 1A | 2MHz | - | No | - | -40°C ~ 125°C (TJ) | Surface Mount | 38-QFN (5x7) |
|
LT3680HMSE#PBFIC REG BUCK ADJ 3.5A 10MSOP |
4,933 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 1 | 3.6V | Buck | 36V | 0.79V | 30V | 3.5A | 230kHz ~ 2.45MHz | - | No | - | -40°C ~ 150°C (TJ) | Surface Mount | 10-MSOP-EP |
|
LT1371CR#TRPBFIC REG BUCK BOOST ADJ 3A DDPAK-7 |
2,342 |
|
Datasheet |
- | TO-263-8, D2PAK (7 Leads + Tab), TO-263CA | Tape & Reel (TR) | Active | Step-Up, Step-Down, Step-Up/Step-Down | Positive or Negative | Adjustable | 1 | 2.7V | Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC | 30V | 1.245V | 35V (Switch) | 3A (Switch) | 500kHz | - | No | - | 0°C ~ 70°C (TA) | Surface Mount | DDPAK-7 |
|
LTC3375EUK#PBFIC REG BUCK ADJ 1A 8OUT 48QFN |
135 |
|
Datasheet |
- | 48-WFQFN Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 8 | 2.7V | Buck | 5.5V | 0.425V | 5.5V | 1A | 2MHz | - | No | - | -40°C ~ 150°C (TJ) | Surface Mount | 48-QFN (7x7) |
|
LT8640JUDCF-1#WPBFIC REG BUCK ADJ 5A 20QFN |
121 |
|
Datasheet |
Silent Switcher®1 | 20-WFQFN, 18 Leads, Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 1 | 3.4V | Buck | 42V | 0.97V | 42V | 5A | 210kHz ~ 2MHz | AEC-Q100 | Yes | Automotive | -40°C ~ 150°C (TJ) | Surface Mount, Wettable Flank | 20-QFN (3x4) |
|
LT1082CN8#PBFIC REG BUCK BST ADJ 1.07A 8PDIP |
1,496 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Step-Up/Step-Down | Positive or Negative, Isolation Capable | Adjustable | 1 | 3V | Buck, Boost, Flyback, Forward Converter | 75V | 1.244V | 100V (Switch) | 1.07A (Switch) | 12kHz ~ 60kHz | - | No | - | 0°C ~ 100°C (TJ) | Through Hole | 8-PDIP |
|
LT1176CSW#PBFIC REG BCK FLYBACK ADJ 1.2A 20SO |
4,285 |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Active | Step-Up, Step-Down, Step-Up/Step-Down | Positive or Negative | Adjustable | 1 | 8V | Buck, Flyback | 35V | 2.21V | 31.5V | 1.2A (Switch) | 100kHz | - | No | - | 0°C ~ 70°C (TA) | Surface Mount | 20-SO |
|
LT3972HMSE#PBFIC REG BUCK ADJ 3.5A 10MSOP |
1,177 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 1 | 3.6V | Buck | 33V | 0.79V | 30V | 3.5A | 230kHz ~ 2.45MHz | - | No | - | -40°C ~ 150°C (TJ) | Surface Mount | 10-MSOP-EP |
|
LT1374CT7-5#PBFIC REG BCK SEPIC 5V 4.5A TO220-7 |
2,251 |
|
Datasheet |
- | TO-220-7 Formed Leads | Tube | Active | Step-Down | Positive | Fixed | 1 | 5V | Buck, SEPIC | 25V | 5V | - | 4.5A (Switch) | 500kHz | - | No | - | 0°C ~ 125°C (TJ) | Through Hole | TO-220-7 |
|
LT1374CT7#PBFIC REG BUCK SEPIC ADJ 4.5A TO220 |
1,045 |
|
Datasheet |
- | TO-220-7 Formed Leads | Tube | Active | Step-Down | Positive | Adjustable | 1 | 5V | Buck, SEPIC | 25V | 2.42V | 21.5V | 4.5A (Switch) | 500kHz | - | No | - | 0°C ~ 125°C (TJ) | Through Hole | TO-220-7 |
|
MAX758ACPA+IC REG BUCK ADJ 750MA 8PDIP |
1,559 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Step-Down | Positive | Adjustable | 1 | 4V | Buck | 16V | 1.22V | 16V | 750mA | 160kHz | - | No | - | 0°C ~ 70°C (TA) | Through Hole | 8-PDIP |
|
LT3430EFE-1#PBFIC REG BUCK SEPIC ADJ 3A 16TSSOP |
268 |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 1 | 5.5V | Buck, SEPIC | 60V | 1.219V | 58.8V | 3A | 100kHz | - | No | - | 0°C ~ 125°C (TJ) | Surface Mount | 16-TSSOP-EP |
DC-DC Switching Regulators, also known as DC-DC converters, are essential components in modern power management systems. Unlike linear regulators that dissipate excess energy as heat, switching regulators use high-frequency switching elements and energy storage components (inductors, capacitors) to efficiently step up, step down, or invert voltage levels. This design enables conversion efficiency levels of 80–95% or higher, making them indispensable for portable electronics, industrial automation, automotive systems, and communication equipment.