DC DC Switching Controllers
Browse available DC DC Switching Controllers part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
UC3842ANIC REG CTRLR FLYBK ISO PWM 8-DIP |
1,418 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 10V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-PDIP |
|
UC3843DR-8SWITCHING CONTROLLER |
22,500 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Buck, Buck-Boost, Flyback, Forward | 1 | 1 | - | Up to 500kHz | 97% | No | No | - | Frequency Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
UC2843PSWITCHING CONTROLLER |
21,197 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Buck, Buck-Boost, Flyback, Forward | 1 | 1 | 12V ~ 28V | Up to 500kHz | 97% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
CS5211EDR14IC REG CTRLR BUCK 14SOIC |
3,854 | - |
|
Datasheet | - | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 14V | 150kHz ~ 750kHz | - | Yes | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Surface Mount | 14-SOIC |
|
LM2748MTCXSWITCHING CONTROLLER, VOLTAGE-MO |
2,240 | - |
|
Datasheet | - | 14-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 6V | 50kHz ~ 1MHz | 86% | Yes | Yes | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-TSSOP |
|
IR3710MTRPBFWIDE INPUT AND OUTPUT, SYNCHRONO |
1,802 | - |
|
Datasheet | - | 16-VFQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 28V | Up to 1MHz | - | Yes | No | - | Current Limit, Enable, Power Good, Soft Start | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 16-MLPQ (3x3) |
|
NCP81108MNTXGIC REG BUCK CTLR 36QFN |
2,017 | - |
|
Datasheet | - | 36-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 36-QFN (5x5) |
|
TL1451CDBRIC REG CTRLR MULT TOP 16SSOP |
1,524 | - |
|
Datasheet | - | 16-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Discontinued at Digi-Key | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Flyback | 2 | 1 | 3.6V ~ 50V | 1kHz ~ 500kHz | - | No | No | - | Frequency Control | -20°C ~ 85°C (TA) | - | - | Surface Mount | 16-SSOP |
|
|
MC34063S40V 1.24V~40V 1.5A SOP-8 DC-DC C |
2,496 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Cut Tape (CT) | Active | Transistor Driver | - | Positive | - | 1 | 1 | 40V | 100Hz ~ 100kHz | - | No | No | - | - | 0°C ~ 70°C | - | - | Surface Mount | 8-SOP |
|
FAN7585SNSWITCHING CONTROLLER |
78,500 | - |
|
Datasheet | - | 24-SDIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Push-Pull | 1 | 1 | 15V ~ 30V | 9.4kHz | 48% | No | No | - | Dead Time Control, Frequency Control, Power Good | -25°C ~ 85°C (TA) | - | - | Through Hole | 24-SDIP |
|
|
NCP81103AMNTXGINTEGRATED CIRCUIT |
4,569 | - |
|
Datasheet | - | 36-VFQFN Exposed Pad | Bulk | Obsolete | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | Surface Mount | 36-QFN (5x5) |
|
CS3524AGDWR16SWITCHING CONTROLLER |
28,338 | - |
|
Datasheet | * | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
CS5127GDW16DUAL SWITCHING CONTROLLER |
10,921 | - |
|
Datasheet | * | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
UC3845BVD1GIC REG CTRLR BOOST/FLYBACK 8SOIC |
1,271 | - |
|
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 | 7.6V ~ 30V | Up to 500kHz | 48% | No | No | - | Frequency Control | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
|
ISL6401IR-TSWITCHING CONTROLLER |
6,000 | - |
|
Datasheet | - | 16-VQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 4.5V ~ 5.5V | 50kHz ~ 500kHz | 48% | No | Yes | - | Enable, Frequency Control, Soft Start, Sync | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (4x4) |
|
|
CS5127GDWR16DUAL SWITCHING CONTROLLER |
3,000 | - |
|
Datasheet | * | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
ISL6401IRSWITCHING CONTROLLER |
2,565 | - |
|
Datasheet | - | 16-VQFN Exposed Pad | Bulk | Active | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 4.5V ~ 5.5V | 50kHz ~ 500kHz | 48% | No | Yes | - | Enable, Frequency Control, Soft Start, Sync | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-QFN (4x4) |
|
NCP81172LMNTXG2/1-PHASE SYNCHRONOUS BUC |
64,000 | - |
|
Datasheet | * | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
UC2843ANNTRUC2843 SWITCHING CONTROLLER |
21,377 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Buck, Flyback, Forward | 1 | 1 | 7.6V ~ 30V | Up to 500kHz | 96% | No | No | - | Frequency Control | -40°C ~ 85°C (TA) | - | - | Through Hole | 8-PDIP |
|
CS52845EDR8SWITCHING CONTROLLER |
2,500 | - |
|
Datasheet | * | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
DC DC Switching Controllers FAQ
Common questions about selecting, comparing and sourcing DC DC Switching Controllers components through Winsun (HK) Electronics.
What should I check when selecting DC DC Switching Controllers components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
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Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find DC DC Switching Controllers parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
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