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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MAX15046BAEE+IC REG CTRLR BUCK 16QSOP |
168 | - |
|
Datasheet |
- | 16-LSSOP (0.154", 3.90mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 1MHz | 87.5% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QSOP-EP |
|
ISL68201IRZ-T7AIC REG CTRLR BUCK PMBUS 24QFN |
173 | - |
|
Datasheet |
Rapid Robust Ripple Regulator™ (R4) | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 24V | 300kHz ~ 1.5MHz | - | No | No | I2C, PMBus, SMBus | Enable, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
|
LTC3872EDDB#TRPBFIC REG CTRLR BOOST 8DFN |
1,183 | - |
|
Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-DFN (3x2) |
|
|
LTC3872EDDB-1#TRMPBFIC REG CTRLR BOOST 8DFN |
1,000 | - |
|
Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 2.75V ~ 9.8V | 550kHz | - | No | No | - | Current Limit, Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-DFN (3x2) |
|
|
MAX5020CSA+IC REG CTRLR FLYBACK 8SOIC |
2,397 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Not For New Designs | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 13V ~ 36V | 275kHz | 50% | No | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
MAX5020ESA+IC REG CTRLR FLYBACK 8SOIC |
414 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Not For New Designs | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 13V ~ 36V | 275kHz | 50% | No | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LTC3854IDDB#TRMPBFIC REG CTRLR BUCK 12DFN |
1,392 | - |
|
Datasheet |
- | 12-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 38V | 400kHz | 98% | Yes | No | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 12-DFN (3x2) |
|
|
LTC3772EDDB#TRMPBFIC REG CTRLR BUCK 8DFN |
500 | - |
|
Datasheet |
- | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.75V ~ 9.8V | 550kHz | 100% | No | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-DFN (3x2) |
|
|
LTC7818IUJ#PBFBUCK/BUCK/BOOST SYNC CTL, 40V, 3 |
0 | - |
|
Datasheet |
- | - | Tube | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | - | Yes | No | - | - | -40°C ~ 125°C | - | - | - | - |
|
MAX8544EEP+IC REG CTRLR BUCK 20QSOP |
9 | - |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 13.2V | 800kHz ~ 1.2MHz | - | Yes | Yes | - | Current Limit, Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QSOP |
|
ISL6721AARZIC REG CTRLR BOOST/FLYBACK 16QFN |
965 | - |
|
Datasheet |
- | 16-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-QFN (3x3) |
|
MAX1967EUB+IC REG CTRLR BUCK 10UMAX |
47 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.7V ~ 28V | 102kHz | 95% | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
LTC3851AIMSE-1#PBFIC REG CTRLR BUCK 16MSOP |
537 | - |
|
Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 235kHz ~ 750kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
|
LTC3851IMSE#PBFIC REG CTRLR BUCK 16MSOP |
173 | - |
|
Datasheet |
- | 16-TFSOP (0.118", 3.00mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 38V | 250kHz ~ 750kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MSOP-EP |
|
MAX1957EUB+IC REG CTRLR BUCK 10UMAX |
35 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5.5V | 300kHz | 89% | Yes | No | - | Current Limit | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP |
|
LM25119QPSQ/NOPBIC REG CTRLR BUCK 32WQFN |
1,991 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 42V | 50kHz ~ 750kHz | - | Yes | No | - | Enable, Frequency Control, Ramp, Reset, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 32-WQFN (5x5) |
|
MAX15005CAUE/V+AUTOMOTIVE BOOST/FLYBACK/SEPIC P |
548 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 4.5V ~ 40V | 15kHz ~ 1MHz | 80% | Yes | Yes | - | Current Limit, Enable | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 16-TSSOP-EP |
|
MAX15005DAUE/V+AUTOMOTIVE BOOST/FLYBACK/SEPIC P |
288 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, SEPIC | 1 | 1 | 4.5V ~ 40V | 15kHz ~ 1MHz | 80% | No | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 16-TSSOP |
|
LTC7803IUD#PBFLOW IQ SYNCHRONOUS BUCK CONTROLL |
227 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 40V | 100kHz ~ 3MHz | 100% | Yes | Yes | - | Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (3x3) |
|
UCD9224RGZTIC REG CTRLR BUCK PMBUS 48VQFN |
0 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 3.6V | 15.26kHz ~ 2MHz | 100% | No | Yes | I2C, PMBus, SMBus | Enable, Power Good, Reset, Sequencing, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-VQFN (7x7) |
