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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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SC2441ATETRTIC 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 ~ 20V | Up to 1MHz | 90% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-TSSOP |
|
SC2608STRTIC REG CTRLR BUCK 8SOIC |
0 | - |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 14V | 200kHz | 90% | Yes | No | - | Enable, Phase Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SO |
|
|
SC2618SKTRTIC REG CTRLR BUCK SOT23-6 |
0 | - |
|
Datasheet |
- | SOT-23-6 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 14V | Up to 500kHz | - | Yes | No | - | - | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-23-6 |
|
XR77129ELB-FIC REG CTRLR BUCK SMBUS 44TQFN |
0 | - |
|
Datasheet |
- | 44-WFQFN Exposed Pad | Tray | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 4 | 1 | 6V ~ 40V | 105kHz ~ 1.23MHz | - | Yes | No | I2C, SMBus | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 44-TQFN (7x7) |
|
XR77128ELBMTR-FIC REG CTRLR BUCK SMBUS 44TQFN |
0 | - |
|
Datasheet |
- | 44-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 4 | 1 | 5.5V ~ 25V | 105kHz ~ 1.23MHz | - | Yes | No | I2C, SMBus | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 44-TQFN (7x7) |
|
XR77129ELBTR-FIC REG CTRLR BUCK SMBUS 44TQFN |
0 | - |
|
Datasheet |
- | 44-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 4 | 1 | 6V ~ 40V | 105kHz ~ 1.23MHz | - | Yes | No | I2C, SMBus | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 44-TQFN (7x7) |
|
XR77128ELBTR-FIC REG CTRLR BUCK SMBUS 44TQFN |
0 | - |
|
Datasheet |
- | 44-WFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 4 | 1 | 5.5V ~ 25V | 105kHz ~ 1.23MHz | - | Yes | No | I2C, SMBus | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 44-TQFN (7x7) |
|
|
MAX649CSA+IC REG CTRLR BUCK 8SO |
0 | - |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 16.5V | Up to 300kHz | - | No | No | - | Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
XR71211EHTR-FIC REG CTRLR BUCK 10DFN |
0 | - |
|
Datasheet |
- | 10-VFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.5V ~ 40V | 100kHz ~ 800kHz | - | Yes | No | - | Current Limit, Enable, On Time Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-DFN (3x3) |
|
NCP81103BMNTXGIC REG BUCK CTLR 36QFN |
0 | - |
|
- |
- | 36-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 36-QFN (5x5) |
|
NCP81109DMNTXGIC REG BUCK CTLR 48QFN |
0 | - |
|
- |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 48-QFN (6x6) |
|
NCP81109FMNTXGIC REG BUCK ADJUSTABLE 14A 48QFN |
0 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 48-QFN (6x6) |
|
NCP81110MNTXGIC REG BUCK CTLR 48QFN |
0 | - |
|
- |
- | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
NCP81116MNTXGIC REG BUCK CTLR 36QFN |
0 | - |
|
- |
- | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
NCP81128AMNTXGIC REG BUCK CTLR DUAL 52QFN |
0 | - |
|
- |
- | 52-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 52-QFN (6x6) |
|
NCP81147MNTXGIC REG CTRLR BUCK 16QFN |
0 | - |
|
Datasheet |
- | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 13.2V | 100kHz ~ 1MHz | 95% | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (3x3) |
|
LV5043NV-MPB-EIC REG CTLR BUCK PWM 30SSOP |
0 | - |
|
- |
* | - | Tube | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LV5052V-MPB-EIC REG CTLR BUCK PWM 30SSOP |
0 | - |
|
- |
- | 30-LSSOP (0.220", 5.60mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 9.4V ~ 16V | 250kHz ~ 1.1MHz | 82% | Yes | No | - | Current Limit, Power Good, Soft Start | -20°C ~ 85°C (TA) | - | - | Surface Mount | 30-SSOP |
|
IR3590AMTRPBFIC REG CTLR BUCK PWM 40QFN |
0 | - |
|
Datasheet |
* | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MP8666DN-LFIC REG CTRLR BUCK 8SOIC |
0 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 21V | 600kHz | 90% | No | Yes | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOICE |

