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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LM2742MTCX/NOPBIC REG CTRLR BUCK 14TSSOP |
6,252 | - |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 50kHz ~ 2MHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
TL1451CNIC REG CTRLR BCK/BST/FLYBK 16DIP |
308 | - |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 2 | 1 | 3.6V ~ 50V | 1kHz ~ 500kHz | - | No | No | - | Frequency Control | -20°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
ISL8121IRZIC REG CTRLR BUCK 24QFN |
1,481 | - |
|
Datasheet |
- | 24-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.9V ~ 5.5V | 150kHz ~ 2MHz | 66% | Yes | No | - | Current Limit, Enable, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
LM25085AMYE/NOPBIC REG CTRLR BUCK 8MSOP |
443 | - |
|
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) | - | - | Surface Mount | 8-HVSSOP |
|
TPS40190DRCRIC REG CTRLR BUCK 10SON |
390 | - |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 15V | 300kHz | 85% | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-VSON (3x3) |
|
|
LM25085ASDE/NOPBIC REG CTRLR BUCK 8WSON |
234 | - |
|
Datasheet |
- | 8-WFDFN Exposed Pad | 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) | - | - | Surface Mount | 8-WSON (3x3) |
|
RT8525DGQWIC REG BOOST CTRLR WDFN-12 |
1,377 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 4.5V ~ 25V | 200kHz | 90% | No | No | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-WDFN (3x3) |
|
ISL6745AAUZIC REG CTRLR MULT TOP 10MSOP |
885 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge | 2 | 1 | 9V ~ 16V | Up to 1MHz | 99% | No | No | - | Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 10-MSOP |
|
ISL6741IVZIC REG CTRLR MULT TOP 16TSSOP |
148 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
TL5001ACDIC REG CTRLR BCK/BST/FLYBK 8SOIC |
2,386 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | 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 |
|
MIC21LV32YML-TR36V DUAL PHASE COT BUCK CTLR |
300 | - |
|
- |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Adjustable | Step-Down | Positive | Buck | 1 | 2 | 4.5V ~ 36V | 100kHz ~ 1MHz | 85% | No | Yes | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-VQFN (5x5) |
|
TPS40193DRCRIC REG CTRLR BUCK 10SON |
5,730 | - |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 18V | 300kHz | 85% | Yes | No | - | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-VSON (3x3) |
|
LM2745MTCX/NOPBIC REG CTRLR BUCK 14TSSOP |
114 | - |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 6V | 50kHz ~ 1MHz | 86% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
LM51501QRUMTQ1IC REG BOOST ADJ 16WQFN |
495 | - |
|
Datasheet |
- | 16-WQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 1.5V ~ 42V | 220kHz ~ 2.3MHz | 93% | No | Yes | - | Current Limit, Enable, Frequency Control, Sync | -40°C ~ 150°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 16-WQFN (4x4) |
|
|
TL1451ACPWRIC REG CTRLR MULT TOP 16TSSOP |
1,979 | - |
|
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 | 2 | 1 | 3.6V ~ 50V | 1kHz ~ 500kHz | - | No | No | - | Frequency Control | -20°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
TL5002CDIC REG CTRLR BOOST/FLYBACK 8SOIC |
525 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | 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 |
|
TL594CDTBR2GIC REG CTRLR BCK/PSH-PLL 16TSSOP |
2,473 | - |
|
Datasheet |
SWITCHMODE™ | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 7V ~ 40V | 300kHz | 96% | Yes | No | - | Dead Time Control, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
R1272S032A-E2-FE34V INPUT PWM/VFM STEP-DOWN DCDC |
1,841 | - |
|
Datasheet |
R1272S | 18-LFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 34V | 250kHz ~ 1MHz | - | Yes | Yes | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 18-HSOP |
|
UCC2813QDR-3Q1IC REG CTRLR MULT TOPOLOGY 8SOIC |
4,724 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 3.6V ~ 12V | - | 99% | No | No | - | Frequency Control | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
|
MIC2169AYMM-TRIC REG CTRLR BUCK 10MSOP |
2,004 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 14.5V | 500kHz | 92% | Yes | No | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-MSOP |

