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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LM27213SQX/NOPBLM27213 SINGLE PHASE HYSTERETIC |
2,500 | - |
|
Datasheet |
- | 48-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 6V | - | - | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | -5°C ~ 105°C (TA) | - | - | Surface Mount | 48-WQFN (7x7) |
|
LTC3836EGN#PBFLTC3836 - LOW INPUT VOLTAGE 2-PH |
343 | - |
|
Datasheet |
PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 2.75V ~ 4.5V | 300kHz ~ 750kHz | 97% | Yes | Yes | - | Enable, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LT1737IGNLT1737 - IC VOLT REG TRANSISTOR |
1,500 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive and Negative | Flyback | 1 | 1 | 4.1V ~ 20V | 90kHz ~ 115kHz | 90% | No | No | - | Enable, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SSOP |
|
|
LTC3860IUH#PBFDUAL, MULTIPHASE STEP-DOWN VOLTA |
365 | - |
|
Datasheet |
PolyPhase® | 32-WFQFN Exposed Pad | Bulk | Active | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 3V ~ 5.5V | 250kHz ~ 1.25MHz | 91.5% | No | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL8121IRZBUCK REGULATOR POSITIVE OUTPUT S |
6,000 | - |
|
- |
- | 24-VFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.9V ~ 5.5V | 150kHz ~ 2MHz | 66% | Yes | No | - | Current Limit, Enable, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-QFN (4x4) |
|
LTC3838EFE#PBFDUAL, FAST, ACCURATE STEP-DOWN D |
219 | - |
|
Datasheet |
PolyPhase® | 38-TFSOP (0.173", 4.40mm Width) Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 200kHz ~ 2MHz | - | Yes | No | - | Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-TSSOP-EP |
|
LM5116MHLM5116 6-100V WIDE VIN, CURRENT |
110 | - |
|
Datasheet |
- | 20-PowerTSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6V ~ 100V | 200kHz, 535kHz | - | Yes | Yes | - | Enable, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 20-HTSSOP |
|
UC3847DWUC3847 CURRENT MODE PWM CONTROLL |
12,280 | - |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter, Half-Bridge, Push-Pull | 2 | 1 | 6.95V ~ 40V | 500kHz | 50% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6327CRZ-TSWITCHING CONTROLLER, VOLTAGE-MO |
4,079 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Bulk | Active | PWM Signal | Step-Down | Positive | Buck | 6 | 6 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | - | - | No | - | Enable, Frequency Control, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 48-QFN (7x7) |
|
LTC1874EGN#PBFLTC1874 - DUAL OUTPUT STEP-DN CO |
2,037 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 2.5V ~ 9.8V | 550kHz | 100% | No | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
LTC3875EUH#PBFLTC3875 - DUAL, 2-PHASE, SYNCHRO |
146 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 720kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (5x5) |
|
LTC3834EUFD#PBFLTC3834 - IQ SYNCHRONOUS STEP-DO |
102 | - |
|
Datasheet |
- | 20-WFQFN Exposed Pad | Bulk | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 36V | 250kHz ~ 530kHz | 99.4% | Yes | No | - | Current Limit, Dead Time Control, Enable, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C | - | - | Surface Mount | 20-QFN (4x5) |
|
LTC3711EGN#PBFLTC3711 - 5-BIT ADJ. STEPDOWN CO |
210 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 36V | - | 90% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
|
ISL6327IRZSWITCHING CONTROLLER, VOLTAGE-MO |
117 | - |
|
Datasheet |
- | 48-VFQFN Exposed Pad | Bulk | Active | PWM Signal | Step-Down | Positive | Buck | 6 | 6 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | - | - | No | - | Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 48-QFN (7x7) |
|
LTC3875IUH#PBFLTC3875 - DUAL, 2-PHASE, SYNCHRO |
2,701 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 38V | 250kHz ~ 720kHz | - | Yes | No | - | Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (5x5) |
|
UCC25702DUCC25702 ADVANCED VOLTAGE MODE P |
408 | - |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | 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) | - | - | Surface Mount | 14-SOIC |
|
UC2870DW-1SWITCHING CONTROLLER, CURRENT-MO |
985 | - |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
LTC3703EG-5#PBFLTC3703-5 - LOW VOLTAGE GATE-DRI |
705 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.1V ~ 15V | 100kHz ~ 600kHz | 93% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
UCC39421PWUCC39421 HIGH FREQUENCY MULTIMOD |
360 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, SEPIC | 1 | 1 | 1.8V ~ 8V | 150kHz ~ 1.2MHz | 88% | Yes | Yes | - | Enable, Frequency Control, Low Battery, Reset | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
LTC3713EG#TRPBFLOW INPUT VOLTAGE, HIGH POWER, N |
1,800 | - |
|
Datasheet |
- | 24-SSOP (0.209", 5.30mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 2 | 1 | 1.5V ~ 36V | 1.4MHz | 90% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
