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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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MAX1634EAI+IC REG CTRLR BUCK 28SSOP |
0 | - |
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Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | 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 |
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MAX1634EAI+TIC REG CTRLR BUCK 28SSOP |
0 | - |
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Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | 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 |
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MAX1636EAP+TIC REG CTRLR BUCK 20SSOP |
0 | - |
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- |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3.15V ~ 30V | 200kHz ~ 300kHz | 96% | Yes | Yes | - | Enable, Reset | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SSOP |
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CS2841BEDR14IC REG CTRLR BOOST/FLYBK 14SOIC |
0 | - |
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Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback | 1 | 1 | 7.4V ~ 40V | - | - | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
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MC34060ADR2GIC REG CTRLR FLYBACK 14SOIC |
0 | - |
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Datasheet |
* | - | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
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MC34067DWR2GIC REG CTRLR FLYBACK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 2 | 1 | 8.6V ~ 20V | 2.05MHz | - | No | No | - | Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
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NCP1571DIC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 7.5V ~ 15V | 200kHz | - | Yes | No | - | Power Good | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
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NCP1580DR2IC REG CTRLR BUCK 8SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 13.2V | 350kHz | 90% | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
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NCP5424DGIC REG CTRLR BUCK 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 7.8V ~ 16V | 150kHz ~ 600kHz | 100% | Yes | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
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SG3525ADWGIC REG CTRLR PUSH-PULL 16SOIC |
0 | - |
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Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive | Push-Pull | 2 | 1 | 8V ~ 35V | 100Hz ~ 400kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
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TL594CDTBIC REG CTRLR BCK/PSH-PLL 16TSSOP |
0 | - |
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- |
SWITCHMODE™ | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 7V ~ 40V | 300kHz | 96% | Yes | No | - | Dead Time Control, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
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TL594CDTBR2IC REG CTRLR BCK/PSH-PLL 16TSSOP |
0 | - |
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- |
SWITCHMODE™ | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 7V ~ 40V | 300kHz | 96% | Yes | No | - | Dead Time Control, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-TSSOP |
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UC3844BD1R2IC REG CTRLR PWM CM 8-SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 36V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
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UC3844BVD1GIC REG CTRLR PWM CM 8-SOIC |
0 | - |
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Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 36V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
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UC3844BVDR2IC REG CTRLR PWM CM 14-SOIC |
0 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 36V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 105°C (TA) | - | - | Surface Mount | 14-SOIC |
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MAX5051AUI+IC REG CTRLR MULT TOP 28TSSOP |
0 | - |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 11V ~ 76V | - | 48% | Yes | Yes | - | Frequency Control, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
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MAX1762EUB+IC REG CTRLR BUCK 10UMAX |
0 | - |
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- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5V ~ 20V | 300kHz | - | Yes | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX/uSOP | |
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MAX1961EEP+IC REG CTRLR BUCK 20QSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.154", 3.90mm Width) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.35V ~ 5.5V | 500kHz, 1MHz | 92% | Yes | Yes | - | Current Limit, Enable, Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QSOP | |
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MAX767EAP+IC REG CTRLR BUCK 20SSOP |
0 | - |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 200kHz, 300kHz | 95% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-SSOP |
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MAX1992ETG+IC REG CTRLR BUCK 24TQFN |
0 | - |
|
- |
Quick-PWM™ | 24-WFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 200kHz, 300kHz, 450kHz, 600kHz | 100% | Yes | No | - | Current Limit, Enable, On Time Control, Power Good, Pulse Skipping, Saturation | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-TQFN (4x4) |

