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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LT1952IGN#PBFIC REG CTRLR FWRD CONV 16SSOP |
100 | - |
|
Datasheet |
- | 16-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 1 | 1 | 9.25V ~ 25V | 100kHz ~ 500kHz | 90% | Yes | Yes | - | Enable, Frequency Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SSOP |
|
MAX1653ESE+TIC REG CTRLR BUCK 16SOIC |
1,611 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 30V | 150kHz, 300kHz | 98% | Yes | Yes | - | Enable, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
LTC1439CG#PBFIC REG CTRLR BUCK 36SSOP |
0 | - |
|
Datasheet |
- | 36-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 36-SSOP |
|
LTC3857IGN-1#PBFIC REG CTRLR BUCK 28SSOP |
15 | - |
|
Datasheet |
PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 38V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99.4% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
MAX1715EEI+TIC REG CTRLR BUCK 28QSOP |
2,500 | - |
|
- |
- | 28-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Not For New Designs | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 4.5V ~ 5.5V | 200kHz, 300kHz, 420kHz, 540kHz | 100% | Yes | No | - | Current Limit, Enable, On Time Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-QSOP |
|
LTC1539CGW#PBFIC REG CTRLR BUCK 36SSOP |
0 | - |
|
Datasheet |
- | 36-BSOP (0.295", 7.50mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 36-SSOP |
|
LTC1439CGW#PBFIC REG CTRLR BUCK 36SSOP |
0 | - |
|
Datasheet |
- | 36-BSOP (0.295", 7.50mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 36-SSOP |
|
|
TPS53688RSBTMULTIPHASE DC-DC CONTROLLER |
250 | - |
|
Datasheet |
D-CAP+™ | 40-WFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 8 | 4.5V ~ 17V | - | - | No | No | PMBus | - | -40°C ~ 125°C | - | - | Surface Mount | 40-WQFN (5x5) |
|
|
LTC3853HUJ#PBFIC REG CTRLR BUCK 40QFN |
15 | - |
|
Datasheet |
- | 40-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 3 | 3 | 4.5V ~ 24V | 250kHz ~ 750kHz | 98% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 150°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
|
|
MAX774ESA+TIC REG CTRLR BUCK-BOOST 8SOIC |
3,850 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Negative | Buck-Boost | 1 | 1 | 3V ~ 16.5V | 300kHz | - | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
LTC3859AEUHF#PBFIC REG CTRLR MULT TOPOLOGY 38QFN |
59 | - |
|
Datasheet |
- | 38-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Buck-Boost, SEPIC | 3 | 2 | 4.5V ~ 38V | 115kHz ~ 835kHz, 350kHz ~ 535kHz | 99%, 100% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 38-QFN (5x7) |
|
MAX20754ETMA1+IC MULTIPHASE DC-DC CTLR TQFN |
257 | - |
|
Datasheet |
- | 48-WFQFN Exposed Pad | Tray | Active | PWM | Step-Down | Positive | Buck | 2 | 6 | 4.5V ~ 16V | 300kHz ~ 800kHz | - | No | No | PMBus | - | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 48-TQFN (7x7) |
|
LTC1438IG-ADJ#PBFIC REG CTRLR BUCK 28SSOP |
0 | - |
|
Datasheet |
- | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
MAX16932ATIR/V+IC REG CTRLR BUCK 28TQFN |
2 | - |
|
Datasheet |
- | 28-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 3.5V ~ 42V | 1MHz ~ 2.2MHz | 98.5% | Yes | Yes | - | Enable, Frequency Control, Power Good | -40°C ~ 125°C (TJ) | Automotive | AEC-Q100 | Surface Mount | 28-TQFN (5x5) |
|
LTC1439EG#PBFIC REG CTRLR BUCK 36SSOP |
0 | - |
|
Datasheet |
- | 36-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 1 | 3.5V ~ 30V | Up to 400kHz | 99% | Yes | No | - | Enable, Power on Reset, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
|
|
LTC3887IUJ-2#PBFDUAL OUTPUT POLYPHASE STEP-DOWN |
61 | - |
|
Datasheet |
PolyPhase® | 40-WFQFN Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 34V | 250kHz ~ 1MHz | - | Yes | Yes | I2C, PMBus | Enable, Frequency Control, Phase Control | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 40-QFN (6x6) |
|
S6BP502A00SN2B200PMIC AUTO ANALOG |
200 | - |
|
Datasheet |
- | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Down | Positive | Buck, Boost | 3 | 1 | 2.5V ~ 42V | - | 100% | No | Yes | - | Enable | -40°C ~ 105°C (TA) | Automotive | AEC-Q100 | Surface Mount | 32-QFN (5x5) |
|
LTC3716EG#PBFIC REG CTRLR BUCK 36SSOP |
74 | - |
|
Datasheet |
- | 36-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 140kHz ~ 310kHz | 99.5% | Yes | No | - | Enable, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 36-SSOP |
|
LTC3736EGN-1#PBFIC REG CTRLR BUCK 24SSOP |
0 | - |
|
Datasheet |
- | 24-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 2.75V ~ 9.8V | 300kHz ~ 750kHz | 100% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 85°C (TA) | - | - | Surface Mount | 24-SSOP |
|
LTC1649CS#PBFIC REG CTRLR BUCK 16SOIC |
50 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.7V ~ 5V | 200kHz | 93% | Yes | No | - | Current Limit, Enable, Soft Start | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SO |
