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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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ISL8118CRZ-TIC REG CTRLR BUCK 28QFN |
0 | - |
|
Datasheet |
- | 28-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.9V ~ 5.6V | 250kHz ~ 2MHz | 100% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-QFN (5x5) |
|
MAX25203ATJA/VY+T36V DUAL PHASE BOOST CONTROLLER |
0 | - |
|
Datasheet |
- | 32-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 2 | 1.8V ~ 36V | 220kHz ~ 2.2MHz | - | 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) |
|
ISL6540ACRZIC REG CTRLR BUCK 28QFN |
4 | - |
|
Datasheet |
- | 28-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.97V ~ 22V | 250kHz ~ 2MHz | 100% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-QFN (5x5) |
|
LM5146QRGYRQ1IC POWER REGULATOR |
0 | - |
|
Datasheet |
- | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Automotive | AEC-Q100 | - | - |
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UCC3895DWTRG4IC OFFLINE SW FULL-BRDG 20SOIC |
0 | - |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | PWM | - | Positive | Phase-Shifted Full-Bridge | 1 | 1 | 10V ~ 16.5V | 1MHz | 100% | - | Yes | - | Frequency Control, Soft Start, Sync | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-SOIC |
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UCC3895PWTRG4IC OFFLINE SW FULL-BRG 20TSSOP |
0 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | PWM | - | Positive | Phase-Shifted Full-Bridge | 1 | 1 | 10V ~ 16.5V | 1MHz | 100% | - | Yes | - | Frequency Control, Soft Start, Sync | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-TSSOP |
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ISL8117FVEZ-TIC REG CTRLR BUCK 16HTSSOP |
0 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tape & Reel (TR) | Active | 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-HTSSOP |
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SC2441ITSTRTIC REG CTRLR BUCK 28TSSOP |
0 | - |
|
- |
- | 28-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 1.8V ~ 15V | Up to 1MHz | 90% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-TSSOP |
|
LM2743MTCXIC REG CTRLR BUCK 14TSSOP |
0 | - |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 6V | 50kHz ~ 1MHz | 80% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
TPS51124RGERG4IC REG CTRLR BUCK 24QFN |
0 | - |
|
Datasheet |
D-CAP™ | 24-VFQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.5V ~ 5.5V | - | - | Yes | No | - | Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-VQFN (4x4) |
|
MIC2198BMLIC REG CTRLR BUCK 12MLF |
0 | - |
|
Datasheet |
- | 12-VFDFN Exposed Pad, 12-MLF® | Tray | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 32V | 500kHz | 76% | Yes | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 12-MLF™ (4x4) |
|
ISL6540AIRZAIC REG CTRLR BUCK 28QFN |
0 | - |
|
Datasheet |
- | 28-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.97V ~ 22V | 250kHz ~ 2MHz | 100% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-QFN (5x5) |
|
SC508AULTRTIC REG CTRLR BUCK 20MLPQ |
0 | - |
|
Datasheet |
EcoSpeed®, SmartDrive™ | 20-UFQFN Exposed Pad | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 46V | Up to 1MHz | - | Yes | No | - | Current Limit, Enable, On Time Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 20-MLPQ-UT (3x3) |
|
TPS40021PWPIC REG CTRLR BUCK 16HTSSOP |
0 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tube | Last Time Buy | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.25V ~ 5.5V | 100kHz ~ 1MHz | 95% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
ISL68201IRZ-TIC REG CTRLR BUCK PMBUS 24QFN |
0 | - |
|
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) |
|
MAX5974DETE+G2ZIC REG CTRLR MULT TOP 16TQFN |
0 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 8.4V ~ 26V | 100kHz ~ 600kHz | 80% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TQFN (3x3) |
|
MAX5974DETE+G3UIC REG CTRLR MULT TOP 16TQFN |
0 | - |
|
Datasheet |
- | 16-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 8.4V ~ 26V | 100kHz ~ 600kHz | 80% | Yes | Yes | - | Dead Time Control, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TQFN (3x3) |
|
TPS40054PWPRG4IC REG CTRLR BUCK 16HTSSOP |
0 | - |
|
Datasheet |
- | 16-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 8V ~ 40V | Up to 1MHz | 94% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-HTSSOP |
|
L6995DTRIC REG CTRLR BUCK 20TSSOP |
0 | - |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.3V ~ 6V | 270kHz | - | Yes | No | - | Current Limit, Enable, Phase Control, Power Good, Soft Start | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP |
|
LM5642XMHXIC REG CTRLR BUCK 28ETSSOP |
0 | - |
|
Datasheet |
- | 28-PowerTSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 36V | 375kHz | 98.9% | Yes | Yes | - | Current Limit, Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-HTSSOP |
