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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
TPS5633PWPIC REG CTRLR BUCK 28HTSSOP |
0 | - |
|
Datasheet |
- | 28-PowerTSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 11.4V ~ 13V | - | - | Yes | No | - | Enable, Power Good, Soft Start | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 28-HTSSOP |
|
MAX1634EAIIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.2V ~ 30V | 200kHz ~ 300kHz | 99% | Yes | Yes | - | Enable, Reset, Sequencing | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
UCC2806DIC REG CTRLR MULT TOP 16SOIC |
0 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 2 | 1 | 8V ~ 14.5V | 47kHz | 50% | Yes | No | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC3729EG#TRPBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
PolyPhase® | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 260kHz ~ 550kHz | 99.5% | Yes | No | - | Current Limit, Enable, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
|
LTC3729EUH#TRPBFIC REG CTRLR BUCK 32QFN |
0 | - |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 260kHz ~ 550kHz | 99.5% | Yes | No | - | Current Limit, Enable, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
|
SG2846NIC REG CTRLR MULT TOPOLOGY 16DIP |
2,131 | - |
|
- |
- | 16-DIP (0.300", 7.62mm) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Push-Pull | 2 | 1 | 8V ~ 40V | 1Hz ~ 500kHz | - | Yes | Yes | - | Current Limit, Enable | -25°C ~ 85°C (TA) | - | - | Through Hole | 16-PDIP |
|
LT8705AEUHF#TRPBFIC REG CTRLR BUCK-BOOST 38QFN |
0 | - |
|
Datasheet |
- | 38-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 125°C | - | - | Surface Mount | 38-QFN (5x7) |
|
UC3845ADM-TRIC REG CTRLR BUCK/BOOST 8SOIC |
2,898 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UC3841DWIC REG CTRLR MULT TOP 18SOIC |
0 | - |
|
Datasheet |
- | 18-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | 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) | - | - | Surface Mount | 18-SOIC |
|
MAX1625ESE+TSTEP-DOWN CONTROLLER FOR CPU |
2,500 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 100kHz ~ 1MHz | 90% | Yes | No | - | Current Limit, Frequency Control, Reset, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
MAX863EEEPFM STEP-UP DC-DC CONTROLLER |
722 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Boost | 1 | 1 | 1.5V ~ 11V | - | - | No | No | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C | - | - | Surface Mount | 16-QSOP |
|
ADP1823ACPZ-R7IC REG CTRLR BUCK 32LFCSP |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad, CSP | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.7V ~ 20V | 300kHz, 600kHz | 90% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-LFCSP-WQ (5x5) |
|
UC2845ADIC REG CTRLR BUCK/BOOST 14SOIC |
1,113 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
RT6190GQWIC REG CTRLR BUCK-BOOST WQFN-40 |
1,390 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 1 | 4.5V ~ 36V | 250kHz ~ 1MHz | - | No | No | I2C | Current Limit, Enable, Frequency Control, Power Good, Saturation, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-WQFN (5x5) |
|
XDPE132G5CG000XUMA1VOLTAGE REGULATOR |
1,370 | - |
|
- |
- | 56-PowerVFQFN | Tape & Reel (TR) | Active | PWM | Step-Down | Positive | Buck | 2 | 16 | 2.9V ~ 3.6V | 200kHz ~ 2MHz | - | No | No | I2C, PMBus | Current Limit, Enable, Frequency Control, On Time Control, Ramp, Soft Start | -40°C ~ 120°C (TA) | - | - | Surface Mount | 56-QFN (7x7) |
|
LTC3708EUHIC REG CTRLR BUCK 32QFN |
172 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.2V ~ 36V | - | - | Yes | Yes | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
HIP6311CB-TSWITCHING CONTROLLER |
2,000 | - |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 50kHz ~ 1.5MHz | - | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SOIC |
|
HIP6311CBZSWITCHING CONTROLLER |
108 | - |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 50kHz ~ 1.5MHz | - | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SOIC |
|
ISL6564IRZSWITCHING CONTROLLER |
600 | - |
|
Datasheet |
- | 40-VFQFN Exposed Pad | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 66.7% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 40-QFN (6x6) |
|
UCC1808J-2SWITCHING CONTROLLER |
245 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
