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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC3732CGIC REG CTRLR BUCK 36SSOP |
39 | - |
|
Datasheet |
PolyPhase® | 36-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 4.5V ~ 7V | 225kHz ~ 680kHz | 98.5% | Yes | No | - | Enable, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 36-SSOP |
|
LT3781IGIC REG CTRLR FWRD CONV 20SSOP |
19 | - |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 1 | 1 | 9V ~ 18V | 700kHz | - | No | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SSOP |
|
MAX5003CSE+IC REG CTRLR BUCK 16SOIC |
36 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive, Isolation Capable | Buck | 1 | 1 | 10.75V ~ 18.75V | 50kHz ~ 300kHz | 75% | No | No | - | Frequency Control, On Time Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC1439CGIC REG CTRLR BUCK 36SSOP |
37 | - |
|
Datasheet |
- | 36-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 36-SSOP |
|
|
LTC3853MPUJ#PBFIC REG CTRLR BUCK 40QFN |
22 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 4.5V ~ 24V | 250kHz ~ 750kHz | 98% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
|
UC1841L883BSWITCHING CONTROLLER, CURRENT-MO |
59 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LM1575HVK12/883QFSMPS CONTROLLER, SWITCHING VOLT |
30 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
UC1865JSWITCHING CONTROLLER |
66 | - |
|
Datasheet |
- | 16-CDIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 22V | 50kHz ~ 500kHz | - | No | No | - | Soft Start | -55°C ~ 125°C (TA) | - | - | Through Hole | 16-CDIP |
|
UC1854AJ883BPOWER FACTOR CONTROLLER, CURRENT |
19 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
0729MCANALG VOLT REG SWITCHING |
17 | - |
|
- |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
5962-8768105VEAUC1825A-SP HIGH SPEED PWM CONTRO |
8 | - |
|
Datasheet |
- | 16-CDIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Buck | 2 | 1 | 12V ~ 20V | Up to 1MHz | 50% | No | No | - | Current Limit, Enable, Frequency Control, Overcurrent, Ramp, Soft Start | -55°C ~ 125°C (TA) | - | - | Through Hole | 16-CDIP |
|
LM3842ANIC REG CTRLR MULT TOPOLOGY DIP-8 |
258 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 30V | 52kHz | 100% | No | No | - | Enable, Frequency Control | -40°C ~ 125°C | - | - | Through Hole | 8-DIP |
|
LV5072M-MPB-HSWITCHING REGULATOR/CONTROLLER, |
948 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
TL3844PE4TL3844 CURRENT-MODE PWM CONTROLL |
840 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 10V ~ 30V | 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C | - | - | Through Hole | 8-PDIP |
|
LM1770UMFSWITCHING CONTROLLER, VOLTAGE-MO |
585 | - |
|
Datasheet |
- | SC-74A, SOT-753 | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.8V ~ 5.5V | 100kHz ~ 1MHz | - | Yes | No | - | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | SOT-23-5 |
|
LM1771UMMSWITCHING CONTROLLER, VOLTAGE-MO |
970 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.8V ~ 5.5V | 100kHz ~ 1MHz | - | Yes | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-VSSOP |
|
|
UC2843ADUC2843A CURRENT MODE PWM CONTROL |
868 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LM1771TSD/NOPBLM1771 LOW-VOLTAGE SYNCHRONOUS B |
1,000 | - |
|
Datasheet |
- | 6-WDFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.8V ~ 5.5V | 100kHz ~ 1MHz | - | Yes | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 6-WSON (3x3) |
|
TC33063AVPADC/DC CONVERTER CONTROL CIRCUIT |
869 | - |
|
- |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
UCC38C45DGKUCC38C45 BICMOS LOW-POWER CURREN |
393 | - |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 18V | Up to 1MHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TJ) | - | - | Surface Mount | 8-VSSOP |
