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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LT3840HFE#TRPBFIC REG CTRLR BUCK 28TSSOP |
0 | - |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 2.5V ~ 60V | 50kHz ~ 1MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
|
ISL81401AFRZ-T7A40V 4-SW SYNCH BUCK-BOOST PWM CO |
129 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Up/Step-Down | Positive | Buck-Boost | 1 | 2 | 4.5V ~ 40V | 90kHz ~ 650kHz | - | Yes | Yes | - | Current Limit, Enable, Power Good | -40°C ~ 125°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL81802FRTZ-T80V DUAL SYNC BUCK CONTROLLER 32 |
6,000 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 80V | 100kHz ~ 1MHz | - | Yes | Yes | - | Current Limit, Enable, Off Time Control, On Time Control, Phase Control, Power Good, Power On Reset, Pulse Skipping, Ramp, Sequencing, Soft Start, Tracking | -40°C ~ 125°C | - | - | Surface Mount | 32-TQFN (5x5) |
|
UC2856DWIC REG CTRLR MULT TOP 16SOIC |
616 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 40V | 200kHz | 47% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC3736EUF#TRPBFIC REG CTRLR BUCK 24QFN |
0 | - |
|
Datasheet |
- | 24-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 2.75V ~ 9.8V | 300kHz ~ 750kHz | 100% | Yes | Yes | - | Current Limit, Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
UC2870DW-1SWITCHING CONTROLLER |
1,360 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
ISL9443IRZSWITCHING CONTROLLER |
653 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 3 | 2 | 4.5V ~ 28V | 600kHz ~ 1.2MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ADP1828YRQZ-R7IC REG CTRLR BUCK 20QSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 20V | 300kHz, 600kHz | 93% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QSOP |
|
ADP1828ACPZ-R7IC REG CTRLR BUCK 20LFCSP |
0 | - |
|
Datasheet |
- | 20-WFQFN Exposed Pad, CSP | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 20V | 300kHz, 600kHz | 93% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-LFCSP (4x4) |
|
ISL8117AFRZ-T7AIC REG CTRLR BUCK 16QFN |
598 | - |
|
Datasheet |
- | 16-TFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 60V | 100kHz ~ 2MHz | - | Yes | Yes | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-QFN (4x4) |
|
LT3800IFE#TRPBFIC REG CTRLR BUCK 16TSSOP |
0 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 4V ~ 60V | 200kHz | - | Yes | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP-EP |
|
UCC25702NIC REG CTRLR MULT TOPOLOGY 14DIP |
0 | - |
|
Datasheet |
- | 14-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback, Forward Converter | 1 | 1 | 8.8V ~ 15V | 100kHz | 99% | No | Yes | - | Current Limit, Frequency Control, Sequencing, Soft Start | -40°C ~ 85°C (TA) | - | - | Through Hole | 14-PDIP |
|
MAX25203ATJA/VY+IC 36V DUAL PHASE BOOST I2C |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tray | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 2 | 1.8V ~ 36V | 220kHz ~ 2.1MHz | - | Yes | Yes | I2C, SMBus | Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start, Sync | -40°C ~ 125°C (TA) | - | - | Surface Mount, Wettable Flank | 32-WETQFN (5x5) |
|
MAX25203BATJA/VY+36V DUAL PHASE BOOST CONTROLLER |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 2 | 1.8V ~ 36V | 220kHz ~ 2.1MHz | - | Yes | Yes | - | Current Limit, Dead Time Control, Enable, Frequency Control, Soft Start, Sync | -40°C ~ 125°C (TA) | - | - | Surface Mount, Wettable Flank | 32-WETQFN (5x5) |
|
UCD9220RGZRIC REG CTRLR BUCK PMBUS 48VQFN |
0 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 3V ~ 3.6V | 15.26kHz ~ 2MHz | 100% | No | Yes | I2C, PMBus, SMBus | Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-VQFN (7x7) |
|
MAX741UCAP+IC REG CTRLR BUCK/BOOST 20SSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Down | Positive or Negative | Buck, Boost | 1 | 1 | 2.7V ~ 15.5V | - | - | No | Yes | - | Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SSOP |
|
MAX1845EEI+IC REG CTRLR BUCK 28QSOP |
0 | - |
|
Datasheet |
* | - | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
ADP1822ARQZ-R7IC REG CTRLR BUCK 24QSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.7V ~ 5.5V | 310kHz, 570kHz | - | Yes | Yes | - | Enable, Frequency Control, Margining, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QSOP |
|
LT3782AEFE#TRPBFIC REG CTRLR BOOST 28TSSOP |
0 | - |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 6V ~ 40V | 154kHz ~ 465kHz | 94% | Yes | Yes | - | Enable, Frequency Control, Reset, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
|
LTC3859AEFE#TRPBFIC REG CTRLR MULT TOP 38TSSOP |
0 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
