| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
MAX640ESA+IC REG BUCK ADJ/1.3V 225MA 8SOIC |
235 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Step-Down | Positive | Adjustable (Fixed) | 1 | 4V | Buck | 11.5V | 1.3V (3.3V) | 11.5V | 225mA | - | - | No | - | -40°C ~ 85°C (TA) | Surface Mount | 8-SOIC |
|
LTC3615IUF#TRPBFIC REG BUCK ADJ 3A DL 24QFN |
4,757 |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Step-Down | Positive | Adjustable | 2 | 2.25V | Buck | 5.5V | 0.6V | 5.5V | 3A | 400kHz ~ 4MHz | - | Yes | - | -55°C ~ 150°C (TJ) | Surface Mount | 24-QFN (4x4) |
|
LTC1174CS8#PBFIC REG BUCK BOOST ADJ 8SO |
205 |
|
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 | 13.5V | 1.25V | 13V | 340mA, 600mA | 200kHz | - | No | - | 0°C ~ 70°C (TA) | Surface Mount | 8-SO |
|
MAX1705EEE+TIC REG BOOST ADJ 1A 16QSOP |
1,933 |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Step-Up | Positive | Adjustable | 1 | 0.9V | Boost | 5.5V | 2.5V | 5.5V | 1A (Switch) | 260kHz ~ 340kHz | - | No | - | -40°C ~ 85°C (TA) | Surface Mount | 16-QSOP |
|
LTC3815EUFE#PBFIC REG BUCK PROG 6A 38QFN |
1,245 |
|
Datasheet |
- | 38-WFQFN Exposed Pad | Tube | Active | Step-Down | Positive | Programmable | 1 | 2.25V | Buck | 5.5V | 0.4V | 3.96V | 6A | 1MHz | - | Yes | - | -40°C ~ 125°C (TJ) | Surface Mount | 38-QFN (4x6) |
|
LTC3412AIFE#PBFIC REG BUCK ADJ 3A 16TSSOP |
2,374 |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 1 | 2.25V | Buck | 5.5V | 0.8V | 5V | 3A | 300kHz ~ 4MHz | - | Yes | - | -40°C ~ 125°C (TJ) | Surface Mount | 16-TSSOP-EP |
|
LT3693IMSE#PBFIC REG BUCK ADJ 3.5A 10MSOP |
195 |
|
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 ~ 125°C (TJ) | Surface Mount | 10-MSOP-EP |
|
|
MAX643AESA+IC REG BST ADJ/1.31V 450MA 8SOIC |
850 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Step-Up | Positive | Adjustable (Fixed) | 1 | 2V | Boost | 16.5V | 1.31V (15V) | 18V (Switch) | 450mA (Switch) | 50kHz | - | No | - | -40°C ~ 85°C (TA) | Surface Mount | 8-SOIC |
|
LT1766HFE#PBFIC REG BUCK ADJ 1.5A 16TSSOP |
1,250 |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 1 | 5.5V | Buck | 60V | 1.2V | 57.6V | 1.5A | 200kHz | - | No | - | -40°C ~ 140°C (TJ) | Surface Mount | 16-TSSOP-EP |
|
LT1425IS#PBFIC REG FLYBACK 135MA 16SO |
873 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Step-Up/Step-Down | Positive or Negative, Isolation Capable | - | 1 | 2.8V | Flyback | 20V | - | - | 135mA (Switch) | 285kHz | - | No | - | -40°C ~ 100°C (TJ) | Surface Mount | 16-SO |
|
LT8640IUDC-1#PBFIC REG BUCK ADJ 5A 20QFN |
4,913 |
|
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 | - | Yes | - | -40°C ~ 125°C (TJ) | Surface Mount | 20-QFN (3x4) |
|
LT8616IFE#TRPBFIC REG BUCK ADJ DL 28TSSOP |
1,528 |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Step-Down | Positive | Adjustable | 2 | 3.4V | Buck | 42V | 0.79V | 41.8V | 1.5A, 2.5A | 200kHz ~ 3MHz | - | Yes | - | -40°C ~ 125°C (TJ) | Surface Mount | 28-TSSOP-EP |
|
LTC3636IUFD#PBFIC REG BUCK ADJ 6A DL 28QFN |
1,140 |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 2 | 3.1V | Buck | 20V | 0.6V | 5V | 6A | Adjustable | - | No | - | -40°C ~ 125°C (TJ) | Surface Mount | 28-QFN (4x5) |
|
MAX15020ATP+TIC REG BUCK ADJ 2A 20TQFN |
169 |
|
Datasheet |
- | 20-WQFN Exposed Pad | Tape & Reel (TR) | Active | Step-Down | Positive | Adjustable | 1 | 7.5V | Buck | 40V | 0.5V | 36V | 2A | 300kHz ~ 500kHz | - | No | - | -40°C ~ 125°C (TJ) | Surface Mount | 20-TQFN (5x5) |
|
LT1765EFE-3.3#PBFIC REG BUCK 3.3V 3A 16TSSOP |
836 |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Fixed | 1 | 3V | Buck | 25V | 3.3V | - | 3A | 1.25MHz | - | No | - | 0°C ~ 125°C (TJ) | Surface Mount | 16-TSSOP-EP |
|
LT1765EFE#PBFIC REG BUCK ADJ 3A 16TSSOP |
794 |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 1 | 3V | Buck | 25V | 1.2V | 22.5V | 3A | 1.25MHz | - | No | - | 0°C ~ 125°C (TJ) | Surface Mount | 16-TSSOP-EP |
|
LT1765EFE-5#PBFIC REG BUCK 5V 3A 16TSSOP |
285 |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Fixed | 1 | 3V | Buck | 25V | 5V | - | 3A | 1.25MHz | - | No | - | 0°C ~ 125°C (TJ) | Surface Mount | 16-TSSOP-EP |
|
LT8652SIV#TRPBFIC REG BUCK 1V/3.3V DL 36LQFN |
2,563 |
|
Datasheet |
Silent Switcher®2 | 36-TFQFN Exposed Pad | Tape & Reel (TR) | Active | Step-Down | Positive | Fixed | 2 | 3V | Buck | 18V | 1V, 3.3V | - | 8.5A, 8.5A | 300kHz ~ 3MHz | AEC-Q100 | Yes | Automotive | -40°C ~ 125°C (TJ) | Surface Mount | 36-LQFN (4x7) |
|
LTC3633IFE#PBFIC REG BUCK ADJ 3A DL 28TSSOP |
1,302 |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Step-Down | Positive | Adjustable | 2 | 3.6V | Buck | 15V | 0.6V | 14.7V | 3A | 500kHz ~ 4MHz | - | Yes | - | -40°C ~ 125°C (TJ) | Surface Mount | 28-TSSOP-EP |
|
LT8652SIV#PBFIC REG BUCK 0.6V DL 36LQFN |
348 |
|
Datasheet |
Silent Switcher®2 | 36-TFQFN Exposed Pad | Tray | Active | Step-Down | Positive | Fixed | 2 | 3V | Buck | 18V | 0.6V | - | 8.5A, 8.5A | 300kHz ~ 3MHz | AEC-Q100 | Yes | Automotive | -40°C ~ 125°C (TJ) | Surface Mount | 36-LQFN (4x7) |
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.