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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
MAX17068AAX+1 TO 3-CELL, HIGH-CURRENT, LOW-N |
9,570 | - |
|
- |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
ISL6559CR-TSWITCHING CONTROLLER |
6,000 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Bulk | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL6558CBSWITCHING CONTROLLER |
5,884 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
CS5307GDW24SWITCHING CONTROLLER |
990 | - |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Bulk | Active | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 8V ~ 18V | 200kHz ~ 800kHz | 1 | No | No | - | Frequency Control, Power Good, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 24-SOIC |
|
ISL6559CRSWITCHING CONTROLLER |
269 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL6565ACB-TSWITCHING CONTROLLER |
24,000 | - |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Bulk | Obsolete | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 66.7% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 105°C (TA) | - | - | Surface Mount | 28-SOIC |
|
UC3526AQIC REG CTRLR MULT TOP 20PLCC |
0 | - |
|
Datasheet |
- | 20-LCC (J-Lead) | Tube | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 7V ~ 35V | 1Hz ~ 600kHz | 49% | Yes | Yes | - | Enable, Frequency Control, Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 20-PLCC (9x9) |
|
LM2737MTCSWITCHING CONTROLLER, VOLTAGE-MO |
1,130 | - |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 50kHz ~ 2MHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
LM2727MTCSWITCHING CONTROLLER, VOLTAGE-MO |
737 | - |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 50kHz ~ 2MHz | 90% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
|
MCP1632-BAE/MCIC REG CTRLR MULT TOPOLOGY 8DFN |
430 | - |
|
Datasheet |
- | 8-VFDFN Exposed Pad | Tube | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Cuk, Flyback, SEPIC | 1 | 1 | 3V ~ 5.5V | 600kHz | 85% | Yes | No | - | Enable | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 8-DFN (2x3) |
|
ISL6565BCBSWITCHING CONTROLLER |
389 | - |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 66.7% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 105°C (TA) | - | - | Surface Mount | 28-SOIC |
|
ISL6565ACBSWITCHING CONTROLLER |
268 | - |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 66.7% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 105°C (TA) | - | - | Surface Mount | 28-SOIC |
|
HA17451APDUAL SWITCHING CONTROLLER |
2,724 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
MAX1967EUBPWM STEP-DOWN CONTROLLER |
1,196 | - |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.7V ~ 28V | 102kHz | 95% | Yes | No | - | Current Limit, Enable, Dead Time Control, Pulse Skipping, Ramp, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-uMAX |
|
MAX1524EUT+TIC REG CTRLR MULT TOP SOT23-6 |
0 | - |
|
Datasheet |
- | SOT-23-6 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.5V ~ 5.5V | - | 85% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-6 |
|
UC3886DTRSWITCHING CONTROLLER |
2,500 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10.3V ~ 20V | 100kHz | 90% | No | No | - | Enable, Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
MAX1524EUTIC REG CTRLR MULT TOP SOT23-6 |
0 | - |
|
Datasheet |
- | SOT-23-6 | Tray | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 2.5V ~ 5.5V | - | 85% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | SOT-6 |
|
RT8125HGQWIC REG CTRLR BUCK PWM WDFN-10 |
1,500 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 13.2V | 300kHz | - | Yes | No | - | Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 10-WDFN (3x3) |
|
RT8125CGQWIC REG CTRLR BUCK PWM WDFN-10 |
1,500 | - |
|
Datasheet |
- | 10-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 1.5V ~ 24V | 300kHz | - | Yes | No | - | Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 10-WDFN (3x3) |
|
UC3866NSWITCHING CONTROLLER |
475 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
