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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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LTC3727AIG-1#PBFIC REG CTRLR BUCK 28SSOP |
33 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 30V | 255kHz ~ 530kHz | 99.4% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC1628IG-SYNC#PBFIC REG CTRLR BUCK 28SSOP |
48 | - |
|
Datasheet |
- | 16-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 30V | 220kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
|
LTC3882IUJ-1#PBFIC REG CTRLR BUCK PMBUS 40QFN |
0 | - |
|
Datasheet |
PolyPhase® | 40-WFQFN Exposed Pad | Tube | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 13.8V | 500kHz | 87.5% | No | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
|
LTC1435AIS#PBFIC REG CTRLR BUCK 16SOIC |
50 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SO |
|
UC3841NIC REG CTRLR MULT TOPOLOGY 18DIP |
8 | - |
|
Datasheet |
- | 18-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8V ~ 32V | 500kHz | 95% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 18-PDIP |
|
LTC3886EUKG-1#PBF60V 2X OUT BUCK CNTR W/ DIG PWR |
35 | - |
|
Datasheet |
PolyPhase® | 52-WFQFN, 46 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 100kHz ~ 750kHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 52-QFN (7x8) |
|
LTC1149CN#PBFIC REG CTRLR BUCK 16DIP |
95 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | Up to 48V | Up to 250kHz | 100% | Yes | No | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
LT8708EUHG-1#PBF80V SYNCHRONOUS 4-SWITCH BUCK-BO |
45 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | 80% | Yes | Yes | - | - | -40°C ~ 125°C | - | - | Surface Mount | 40-QFN (5x8) |
|
LT8708IUHG#PBF80V SYNCHRONOUS 4-SWITCH BUCK-BO |
44 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | 80% | Yes | Yes | - | - | -40°C ~ 125°C | - | - | Surface Mount | 40-QFN (5x8) |
|
LT8708IUHG-1#PBF80V SYNCHRONOUS 4-SWITCH BUCK-BO |
0 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | 80% | Yes | Yes | - | - | -40°C ~ 125°C | - | - | Surface Mount | 40-QFN (5x8) |
|
UC3824NIC REG CTRLR BUCK/BOOST 16DIP |
43 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 8.4V ~ 30V | 340kHz ~ 460kHz | 85% | No | No | - | Current Limit, Enable, Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
UC3823ANIC REG CTRLR MULT TOPOLOGY 16DIP |
48 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 1 | 1 | 8.4V ~ 22V | 400kHz ~ 1MHz | 100% | No | No | - | Current Limit, Frequency Control, Ramp, Soft Start | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
|
LTC3787MPUFD#PBFIC REG CTRLR BOOST 28QFN |
11 | - |
|
Datasheet |
PolyPhase® | 28-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 38V | 105kHz ~ 760kHz | 96% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 28-QFN (4x5) |
|
LT3790MPFE#PBFIC REG CTRLR BUCK-BOOST 38TSSOP |
26 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 4.7V ~ 60V | 200kHz ~ 700kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LT8705MPFE#PBFIC REG CTRLR BUCK-BOOST 38TSSOP |
84 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
TL2842BPIC REG CTRLR BST FLYBK PWM 8-DIP |
754 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
|
TL594CPWRIC REG CTRLR MULT TOP 16TSSOP |
453 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 40V | 1kHz ~ 300kHz | 97% | No | No | - | Dead Time Control, Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
|
TL3845DIC REG CTRLR MULT TOP 14SOIC |
876 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 30V | 100kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | Automotive | AEC-Q100 | Surface Mount | 14-SOIC |
|
R1211D002B-TR-FEPWM STEP-UP DCDC CONTROLLER |
84 | - |
|
Datasheet |
- | 6-SMD, Flat Leads | Tape & Reel (TR) | Active | PWM | Step-Up | Positive | Boost | 1 | 1 | 2.5V ~ 6V | 700kHz | 90% | No | No | - | Enable | -40°C ~ 85°C | - | - | Surface Mount | 6-SON (2.6x1.6) |
|
S-8356Q18MC-OYDT2UIC REG CTRLR BOOST SOT23-5 |
88 | - |
|
Datasheet |
- | SC-74A, SOT-753 | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 0.9V ~ 10V | 600kHz | 85% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-5 |
