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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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ISL6558IBZIC REG CTRLR BUCK 16SOIC |
1,816 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6558IBZ-TIC REG CTRLR BUCK 16SOIC |
4,997 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6558IRIC REG CTRLR BUCK 20QFN |
2,536 | - |
|
Datasheet | - | 20-VQFN Exposed Pad | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (5x5) |
|
|
ISL6558IR-TIC REG CTRLR BUCK 20QFN |
4,689 | - |
|
Datasheet | - | 20-VQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 75% | - | No | - | Enable, Frequency Control, Power Good | -40°C ~ 85°C (TA) | - | - | Surface Mount | 20-QFN (5x5) |
|
ISL6559CBZIC REG CTRLR BUCK 28SOIC |
2,838 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 28-SOIC |
|
ISL6559CRZ-TIC REG CTRLR BUCK 32QFN |
3,124 | - |
|
Datasheet | - | 32-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | PWM Signal | Step-Down | Positive | Buck | 4 | 4 | 4.75V ~ 5.25V | 80kHz ~ 1MHz | 75% | - | No | - | Current Limit, Enable, Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 32-QFN (5x5) |
|
ISL6560CBIC REG CTRLR BUCK 16SOIC |
2,105 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 10.8V ~ 13.2V | Up to 2MHz | 50% | - | No | - | Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
ISL6560CBZIC REG CTRLR BUCK 16SOIC |
4,155 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 2 | 2 | 10.8V ~ 13.2V | Up to 2MHz | 50% | - | No | - | Frequency Control, Power Good | 0°C ~ 70°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6565ACBIC REG CTRLR BUCK 28SOIC |
1,460 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | PWM Signal | Step-Down | Positive | Buck | 3 | 3 | 4.75V ~ 5.25V | 80kHz ~ 1.5MHz | 66.7% | - | No | - | Enable, Frequency Control, Power Good | 0°C ~ 105°C (TA) | - | - | Surface Mount | 28-SOIC |
|
ISL6590DR-TIC REG CTRLR BUCK ASI 64QFN |
1,836 | - |
|
Datasheet | - | 64-VFQFN Exposed Pad | - | Obsolete | PWM Signal | Step-Down | Positive | Buck | 6 | 6 | 3.135V ~ 3.465V | 250kHz ~ 1MHz | 24% | - | Yes | ASI | Enable, Power Good, Soft Start | 0°C ~ 85°C (TA) | - | - | Surface Mount | 64-QFN (9x9) |
|
ISL6721ABIC REG CTRLR BOOST/FLYBK 16SOIC |
3,802 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
ISL6721AB-TIC REG CTRLR BOOST/FLYBK 16SOIC |
4,502 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
ISL6721AVIC REG CTRLR BOOST/FLYBK 16TSSOP |
2,106 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Up, Step-Up/Step-Down | Positive, Isolation Capable | Boost, Flyback | 1 | 1 | 9V ~ 18V | Up to 1MHz | 75% | No | Yes | - | Current Limit, Frequency Control, Power Good, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
ISL6729IBZ-TIC REG CTRLR MULT TOPOLOGY 8SOIC |
4,022 | - |
|
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 | 4.75V ~ 5.25V | Up to 1MHz | 99% | Yes | No | - | - | -40°C ~ 105°C (TA) | - | - | Surface Mount | 8-SOIC |
|
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ISL6740IBIC REG CTRLR MULT TOP 16SOIC |
4,793 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
ISL6740IBZIC REG CTRLR MULT TOP 16SOIC |
2,900 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
|
ISL6740IBZ-TIC REG CTRLR MULT TOP 16SOIC |
3,123 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
|
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ISL6740IVIC REG CTRLR MULT TOP 16TSSOP |
1,914 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
|
ISL6740IV-TIC REG CTRLR MULT TOP 16TSSOP |
3,202 | - |
|
Datasheet | - | 16-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-TSSOP |
|
|
ISL6741IBIC REG CTRLR MULT TOP 16SOIC |
1,267 | - |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Transistor Driver | Step-Up/Step-Down | Positive, Isolation Capable | Full-Bridge, Half-Bridge, Push-Pull | 2 | 1 | 9V ~ 16V | Up to 1MHz | 83% | Yes | Yes | - | Enable, Frequency Control, Soft Start | -40°C ~ 105°C (TA) | - | - | Surface Mount | 16-SOIC |
DC DC Switching Controllers FAQ
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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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