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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
LTC1629IG-PG#PBFIC REG CTRLR BUCK 28SSOP |
141 | - |
|
Datasheet |
PolyPhase® | 28-SSOP (0.209", 5.30mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4V ~ 36V | 220kHz | 99.5% | Yes | No | - | Enable, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 28-SSOP |
|
LTC3787MPGN#PBFIC REG CTRLR BOOST 28SSOP |
87 | - |
|
Datasheet |
PolyPhase® | 28-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Up | Positive | Boost | 2 | 2 | 4.5V ~ 38V | 105kHz ~ 760kHz | 96% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
LT3840MPFE#PBFIC REG CTRLR BUCK 28TSSOP |
19 | - |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive or Negative | Buck | 1 | 1 | 2.5V ~ 60V | 50kHz ~ 1MHz | 99% | Yes | Yes | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
|
LT3845MPFE#PBFIC REG CTRLR BUCK 16TSSOP |
14 | - |
|
Datasheet |
- | 16-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4V ~ 60V | 300kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 125°C (TJ) | - | - | Surface Mount | 16-TSSOP-EP |
|
LTC3892MPFE-1#PBFIC REG CTRLR BUCK 28TSSOP |
75 | - |
|
Datasheet |
- | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 28-TSSOP-EP |
|
LTC3890MPGN-3#PBFIC REG CTRLR BUCK/SEPIC 28SSOP |
160 | - |
|
Datasheet |
- | 28-SSOP (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, SEPIC | 2 | 2 | 4V ~ 60V | 105kHz ~ 835kHz, 350kHz ~ 535kHz | 99% | Yes | No | - | Enable, Frequency Control, Power Good, Soft Start, Tracking | -55°C ~ 150°C (TJ) | - | - | Surface Mount | 28-SSOP |
|
LT8705AMPFE#PBFIC REG CTRLR BUCK-BOOST 38TSSOP |
45 | - |
|
Datasheet |
- | 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive | Buck-Boost | 2 | 2 | 2.8V ~ 80V | 100kHz ~ 400kHz | - | Yes | Yes | - | Enable, Frequency Control, Soft Start | -55°C ~ 125°C | - | - | Surface Mount | 38-TSSOP-EP |
|
TL2845BDRG4-8IC REG CTRLR MULT TOPOLOGY 8SOIC |
4,955 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
TL3842DRE4-8IC REG CTRLR BST FLYBK PWM 8SOIC |
2,348 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 97% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
TL3845DR-8IC REG CTRLR MULT TOPOLOGY 8SOIC |
7,021 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward Converter | 1 | 1 | 7.6V ~ 30V | 100kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | Automotive | AEC-Q100 | Surface Mount | 8-SOIC |
|
TL3844DR-8IC REG CTRLR BST FLYBK PWM 8SOIC |
322 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 10V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
TL2843DRG4-8IC REG CTRLR MULT TOPOLOGY 8SOIC |
2,398 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 97% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
TL2843BPIC REG CTRLR MULT TOPOLOGY 8DIP |
1,000 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
|
UC3843ADTRIC REG CTRLR MULT TOP 14SOIC |
2,494 | - |
|
Datasheet |
UCx84xA | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
RT8110BGJ8IC REG CTRLR BUCK TSOT23-8 |
3,336 | - |
|
Datasheet |
- | SOT-23-8 Thin, TSOT-23-8 | Tape & Reel (TR) | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 10V ~ 28V | 400kHz | 80% | Yes | No | - | Phase Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | TSOT-23-8 |
|
|
NCP1562BDR2GIC REG CTRLR FWRD CONV 16SOIC |
2,500 | - |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Forward Converter | 2 | 1 | 23.2V ~ 100V | 246kHz ~ 1MHz | 85% | Yes | Yes | - | Current Limit, Frequency Control, Ramp, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 16-SOIC |
|
|
UC3845ADIC REG CTRLR MULT TOP 14SOIC |
258 | - |
|
Datasheet |
UCx84xA | 14-SOIC (0.154", 3.90mm Width) | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 14-SOIC |
|
TL2845PIC REG CTRLR MULT TOPOLOGY 8DIP |
576 | - |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive | Boost, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
ISL6520ACBZIC REG CTRLR BUCK 8SOIC |
9,700 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 300kHz | 100% | Yes | No | - | Phase Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
ISL8105IBZIC REG CTRLR BUCK 8SOIC |
1,672 | - |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 6.5V ~ 14.4V | 300kHz | 100% | Yes | No | - | Current Limit, Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |

