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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SG3845DMIC REG CTRLR FLYBACK 8SOIC |
2,760 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 1Hz ~ 500kHz | 48% | Yes | No | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
SG3845MIC REG CTRLR FLYBACK 8DIP |
4,287 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Active | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback | 1 | 1 | 7.6V ~ 30V | 1Hz ~ 500kHz | 48% | Yes | No | - | - | 0°C ~ 70°C (TA) | - | - | Through Hole | 8-DIP |
|
SG3846DWIC REG CTRLR MULT TOP 16SOIC |
4,156 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | Step-Up, Step-Down, Step-Up/Step-Down | Positive | Buck, Boost, Push-Pull | 2 | 1 | 8V ~ 40V | 1Hz ~ 500kHz | - | Yes | Yes | - | Current Limit, Enable | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
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UC2843ADMIC REG CTRLR BUCK/BOOST 8SOIC |
2,918 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | Transistor Driver | 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) | - | - | Surface Mount | 8-SOIC |
|
LM2657MTC/NOPBIC REG CTRLR BUCK 28TSSOP |
1,123 | - |
|
Datasheet | - | 28-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 2 | 2 | 4.5V ~ 28V | 200kHz ~ 500kHz | 70% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 28-TSSOP |
|
LM27241MTC/NOPBIC REG CTRLR BUCK 20TSSOP |
3,861 | - |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 200kHz ~ 500kHz | 75% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start | -5°C ~ 125°C (TJ) | - | - | Surface Mount | 20-TSSOP |
|
LM2746MXA/NOPBIC REG CTRLR BUCK 14TSSOP |
2,939 | - |
|
Datasheet | - | 14-PowerTSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 3V ~ 5.5V | 50kHz ~ 1MHz | 80% | Yes | No | - | Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking | -40°C ~ 125°C (TJ) | - | - | Surface Mount | 14-HTSSOP |
|
|
IR3637STRPBFIC REG CTRLR BUCK 8SOIC |
2,109 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 400kHz | 85% | Yes | No | - | Enable, Soft Start | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
FAN5037MXIC REG CTRLR BUCK 8SOIC |
4,731 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.75V ~ 5.25V | - | 85% | No | No | - | - | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
|
FAN7554DIC REG CTRLR MULT TOPOLOGY 8SOIC |
4,327 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 9V ~ 30V | 500kHz | 95% | Yes | No | - | Soft Start | -25°C ~ 85°C (TA) | - | - | Surface Mount | 8-SOIC |
|
ISL6420IRZIC REG CTRLR BUCK 20QFN |
2,442 | - |
|
Datasheet | - | 20-VFQFN Exposed Pad | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 5.6V ~ 16V | 100kHz ~ 1.4MHz | 96% | Yes | No | - | Enable, Frequency Control, Phase Control, Power Good, Soft Start | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (4x4) |
|
ISL6520BCBZIC REG CTRLR BUCK 8SOIC |
2,229 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 4.5V ~ 5.5V | 300kHz | 100% | Yes | No | - | Enable, Phase Control | 0°C ~ 70°C (TA) | - | - | Surface Mount | 8-SOIC |
|
ISL6744AUZIC REG CTRLR MULT TOPOLOGY 8MSOP |
2,822 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge | 1 | 1 | 9V ~ 16V | Up to 1MHz | 99% | Yes | No | - | Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-MSOP |
|
CS5124XDR8GIC REG CTRLR MULT TOPOLOGY 8SOIC |
2,421 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Flyback, Forward Converter | 1 | 1 | 7.7V ~ 20V | 400kHz | 82.5% | No | No | - | Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
|
MC34060APGIC REG CTRLR FLYBACK 14DIP |
2,640 | - |
|
Datasheet | - | 14-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive or Negative, Isolation Capable | Flyback | 1 | 1 | 7V ~ 40V | 25kHz | 96% | No | No | - | Dead Time Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 14-PDIP |
|
NCP1450ASN50T1GIC REG CTRLR BOOST 5TSOP |
4,939 | - |
|
Datasheet | - | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up | Positive | Boost | 1 | 1 | 0.9V ~ 6V | 180kHz | 80% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
|
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NCP1550SN18T1GIC REG CTRLR BUCK 5TSOP |
3,773 | - |
|
Datasheet | - | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
|
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NCP1550SN25T1GIC REG CTRLR BUCK 5TSOP |
3,051 | - |
|
Datasheet | - | SOT-23-5 Thin, TSOT-23-5 | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 2.45V ~ 5.5V | 600kHz | 100% | No | No | - | Enable | -40°C ~ 85°C (TA) | - | - | Surface Mount | 5-TSOP |
|
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NCP1571DR2GIC REG CTRLR BUCK 8SOIC |
2,934 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Down | Positive | Buck | 1 | 1 | 7.5V ~ 15V | 200kHz | - | Yes | No | - | Power Good | 0°C ~ 125°C (TJ) | - | - | Surface Mount | 8-SOIC |
|
TL494CNGIC REG CTRLR BCK/PUSH-PULL 16DIP |
4,519 | - |
|
Datasheet | SWITCHMODE™ | 16-DIP (0.300", 7.62mm) | Tube | Obsolete | Transistor Driver | Step-Down, Step-Up/Step-Down | Positive | Buck, Push-Pull | 2 | 1 | 7V ~ 40V | 200kHz | 48% | Yes | No | - | Dead Time Control, Frequency Control | 0°C ~ 70°C (TA) | - | - | Through Hole | 16-PDIP |
DC DC Switching Controllers FAQ
Common questions about selecting, comparing and sourcing DC DC Switching Controllers components through Winsun (HK) Electronics.
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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. 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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