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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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LM25145RGYT100V SYNCHRONOUS BUCK WIDE VIN C |
776 | - |
|
Datasheet |
- | 20-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 42V | 100kHz ~ 1MHz | - | Yes | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount, Wettable Flank | 20-VQFN (3.5x4.5) |
|
LM25085QMYE/NOPBIC REG CTRLR BUCK 8MSOP |
2,148 | - |
|
Datasheet |
- | 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 1MHz | 100% | No | No | - | Current Limit, Frequency Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-HVSSOP |
|
LM25085QMY/NOPBIC REG CTRLR BUCK 8MSOP |
1,754 | - |
|
Datasheet |
- | 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 42V | Up to 1MHz | 100% | No | No | - | Current Limit, Frequency Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-HVSSOP |
|
MIC38C45AYMIC REG CTRLR MULT TOPOLOGY 8SOIC |
172 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 20V | 500kHz | 50% | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LM5155DSSTPWR MGMT SWITCHING REGULATOR |
5,974 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 45V | 100kHz ~ 2.2MHz | 96% | No | Yes | - | Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-WSON (3x2) |
|
LM51551DSST2.2MHZ WIDE VIN NON-SYNCHRONOUS |
2,674 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 45V | 100kHz ~ 2.2MHz | 96% | No | Yes | - | Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-WSON (3x2) |
|
TL5001ACDRIC REG CTRLR BCK/BST/FLYBK 8SOIC |
9,330 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 1 | 1 | 3.6V ~ 40V | 20kHz ~ 500kHz | 100% | No | No | - | Dead Time Control, Frequency Control | -20°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LM5085QMYX/NOPBIC REG CTRLR BUCK 8MSOP |
6,383 | - |
|
Datasheet |
- | 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | Up to 1MHz | 100% | No | No | - | Current Limit, Enable, On Time Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-HVSSOP |
|
HV9120P-GIC REG CTRLR FLYBACK 16DIP |
166 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback | 1 | 1 | 10V ~ 450V | 3MHz | 49.4% | No | No | - | Enable, Frequency Control, Reset | -55°C ~ 125°C (TJ) | - | - | Through Hole | 16-PDIP |
|
NCV12711ADNR2GAUTOMOTIVE QUALIFIED 4-45 VIN DC |
6,852 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Flyback, Forward Converter | 1 | - | 4V ~ 45V | 100kHz ~ 1MHz | 94% | Yes | No | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q101 | Surface Mount | 10-MSOP |
|
TLF51801ELVXUMA1IC REG CTRLR BUCK |
6,166 | - |
|
Datasheet |
- | 14-LSSOP (0.154", 3.90mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 45V | 100kHz ~ 700kHz | - | Yes | Yes | - | Enable, Frequency Control | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | PG-SSOP-14-EP |
|
IRS27952STRPBFIC REG CTRLR BUCK/HALF-BRG 8SOIC |
4,226 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Buck, Half-Bridge | 2 | 2 | 12V ~ 18V | Up to 500Hz | 50% | Yes | No | - | Enable, Frequency Control | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
|
LM5085SDE/NOPBIC REG CTRLR BUCK 8WSON |
3,664 | - |
|
Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | Up to 1MHz | 100% | No | No | - | Current Limit, Enable, On Time Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-WSON (3x3) |
|
|
LM3477AMM/NOPBIC REG CTRLR BUCK/BCK-BST 8VSSOP |
3,464 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck, Buck-Boost | 1 | 1 | 2.97V ~ 35V | 500kHz | 93% | No | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-VSSOP |
|
|
LM3477MM/NOPBIC REG CTRLR BUCK/BCK-BST 8VSSOP |
1,866 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck, Buck-Boost | 1 | 1 | 2.97V ~ 35V | 500kHz | 93% | No | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-VSSOP |
|
LM5085MYE/NOPBIC REG CTRLR BUCK 8MSOP |
1,448 | - |
|
Datasheet |
- | 8-PowerTSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 75V | Up to 1MHz | 100% | No | No | - | Current Limit, Enable, On Time Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-HVSSOP |
|
MIC2133YML-TR75V, DUAL PHASE ADVANCED COT PWM |
243 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 2 | 8V ~ 75V | 100kHz ~ 1MHz | 85% (Typ) | Yes | No | - | Current Limit, Dead Time Control, Enable, Frequency Control, On Time Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-VQFN (5x5) |
|
|
LM5025AMTCX/NOPBIC REG CTRLR FWRD CONV 16TSSOP |
1,869 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 8V ~ 15V | 200kHz ~ 580kHz | 80% | No | Yes | - | Dead Time Control, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP |
|
|
LM3488QMMX/NOPBIC REG CTRLR MULT TOP 8VSSOP |
13,409 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.97V ~ 40V | 100kHz ~ 1MHz | 100% | No | Yes | - | Enable, Frequency Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-VSSOP |
|
|
UCC2891DRIC REG CTRLR MULT TOP 16SOIC |
1,468 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 8.5V ~ 16V | 250kHz | 70% | No | Yes | - | Current Limit, Enable, On Time Control, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |

