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0755-82798135DC DC Switching Controllers
DC DC Switching Controllers
DC-DC switching controllers are power management ICs used to control external power switches for efficient voltage conversion. They support buck, boost, buck-boost, flyback, and other switching topologies, and are commonly used in power supplies, industrial equipment, automotive electronics, communication systems, servers, battery-powered devices, and embedded applications.
TomatoElec is an independent electronic components distributor supplying DC-DC switching controller ICs from mainstream manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for DC-DC switching controller sourcing support.
| Photo | Mfr. Part # | Availability | Price | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Output Type | Function | Output Configuration | Topology | Number of Outputs | Output Phases | Voltage - Supply (Vcc/Vdd) | Frequency - Switching | Duty Cycle (Max) | Synchronous Rectifier | Clock Sync | Serial Interfaces | Control Features | Operating Temperature | Grade | Qualification | Mounting Type | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TPS40425RHATIC REG CTRLR BUCK PMBUS 40VQFN |
1,170 | - |
|
Datasheet |
- | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 20V | 200kHz ~ 1.5MHz | - | Yes | Yes | PMBus | Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-VQFN (6x6) |
|
|
LTC7802JUFDM#WPBF40V, LOW IQ DUAL PHSE SYCH STP-D |
155 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 40V | 100kHz ~ 3MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount, Wettable Flank | 28-QFN (4x5) |
|
LTC3870IUF-1#PBFIC REG CTRLR BUCK 24QFN |
91 | - |
|
Datasheet |
PolyPhase® | 24-WFQFN Exposed Pad | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 500kHz | - | No | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (4x4) |
|
MAX1953EUB+TIC REG CTRLR BUCK 10UMAX |
5,967 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5.5V | 1MHz | 89% | Yes | No | - | Current Limit | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
NCV81599MWTXGI2C CONFIGURABLE, 4-SWITCH BUCK |
2,139 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck, Boost | 4 | 2 | 4.5V ~ 32V | - | - | Yes | - | I2C | Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking | -40°C ~ 125°C (TA) | Automotive | AEC-Q100 | Surface Mount, Wettable Flank | 32-QFNW (5x5) |
|
|
LTC3860EUH#PBFIC REG CTRLR BUCK 32QFN |
221 | - |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 5.5V | 250kHz ~ 1.25MHz | 91.5% | No | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
LTC3868EGN-1#PBFIC REG CTRLR BUCK 28SSOP |
147 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 24V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
|
LTC7813HUH#PBFIC REG CTRLR BUCK/BOOST 32QFN |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 2 | 1 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 96%, 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
MAX1953EUB+IC REG CTRLR BUCK 10UMAX |
205 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5.5V | 1MHz | 89% | Yes | No | - | Current Limit | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
LTC3874IUF-1#PBFIC REG CTRLR BUCK 24QFN |
91 | - |
|
Datasheet |
PolyPhase® | 24-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 1MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 24-QFN (4x4) |
|
LTC3863HDE#PBFIC REG CTRLR BUCK 12DFN |
120 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 3.5V ~ 60V | 50kHz ~ 850kHz | - | No | No | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 12-DFN (4x3) |
|
TPS53632GRSMTIC REG CTRLR HALF-BRIDGE 32VQFN |
185 | - |
|
Datasheet |
D-CAP+™ | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Up/Step-Down | Positive | Half-Bridge | 2 | 2 | 3.1V ~ 28V | 100kHz ~ 1MHz | - | Yes | No | I2C | Enable, Frequency Control, Power Good, Pulse Skipping, Ramp, Slew Control | -10°C ~ 105°C (TA) | - | - | Surface Mount | 32-VQFN (4x4) |
|
LM27213SQ/NOPBIC REG CTRLR BUCK 48WQFN |
217 | - |
|
Datasheet |
- | 48-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 6V | - | - | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -5°C ~ 105°C (TA) | - | - | Surface Mount | 48-WQFN (7x7) |
|
LT1952EGN#PBFIC REG CTRLR FWRD CONV 16SSOP |
100 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 1 | 1 | 9.25V ~ 25V | 100kHz ~ 500kHz | 90% | Yes | Yes | - | Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SSOP |
|
LTC3868EUFD-1#PBFIC REG CTRLR BUCK 28QFN |
146 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 24V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-QFN (4x5) |
|
LT8711IFE#PBFIC REG CTRLR SYNC 20-TSSOP |
1,205 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | PWM | Step-Up, Step-Down | Positive | Buck, Boost, Buck-Boost, SEPIC | 1 | - | 4.5V ~ 42V | 100kHz ~ 750kHz | 100% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP-EP |
|
TPS40428RHATIC REG CTRLR BUCK PMBUS 40VQFN |
1,539 | - |
|
Datasheet |
- | 40-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 20V | 200kHz ~ 1.5MHz | - | No | Yes | PMBus | Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-VQFN (6x6) |
|
LTC1771ES8#TRPBFIC REG CTRLR BUCK 8SOIC |
1,315 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.8V ~ 18V | - | 100% | No | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SO |
|
XDPE132G5DG000XUMA1IR CONTROLLER PG-VQFN-56 |
2,976 | - |
|
Datasheet |
- | 56-PowerVFQFN | Tape & Reel (TR) | Active | PWM | Step-Down | Positive | Buck | 2 | 16 | 2.9V ~ 3.6V | 200kHz ~ 2MHz | - | No | No | I2C, PMBus | Current Limit, Enable, Frequency Control, On Time Control, Ramp, Soft Start | -40°C ~ 120°C (TA) | - | - | Surface Mount | 56-QFN (7x7) |
|
|
LTC3729LEUH-6#PBFIC REG CTRLR BUCK 32QFN |
0 | - |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 30V | 260kHz ~ 550kHz | 99.5% | Yes | No | - | Current Limit, Enable, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
