DC DC Switching Controllers

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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
ISL6729IU SWITCHING REGULATOR Intersil	2,735	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tube	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-MSOP
ISL6729IU-T SWITCHING REGULATOR Intersil	2,500	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Bulk	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-MSOP
ISL6439AIR-T SWITCHING CONTROLLER Intersil	12,000	-	RFQ	Datasheet	-	16-VQFN Exposed Pad	Bulk	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	2.97V ~ 3.63V	600kHz	100%	Yes	No	-	Enable, Phase Control	-40°C ~ 85°C (TA)	-	-	Surface Mount	16-QFN (5x5)
ISL6439IR-T SWITCHING CONTROLLER Intersil	6,000	-	RFQ	Datasheet	-	16-VQFN Exposed Pad	Bulk	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	2.97V ~ 3.63V	300kHz	100%	Yes	No	-	Enable, Phase Control	-40°C ~ 85°C (TA)	-	-	Surface Mount	16-QFN (5x5)
ISL6431CB-T SWITCHING CONTROLLER Intersil	2,500	-	RFQ	Datasheet	-	8-SOIC (0.154", 3.90mm Width)	Bulk	Obsolete	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
ISL6439AIB SWITCHING CONTROLLER Intersil	1,433	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width)	Tube	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	2.97V ~ 3.63V	600kHz	100%	Yes	No	-	Enable, Phase Control	-40°C ~ 85°C (TA)	-	-	Surface Mount	14-SOIC
ISL6526ACB SWITCHING CONTROLLER Intersil	1,059	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width)	Tube	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	2.97V ~ 3.63V	300kHz	100%	Yes	No	-	Enable, Phase Control	0°C ~ 70°C (TA)	-	-	Surface Mount	14-SOIC
ISL6431CB SWITCHING CONTROLLER Intersil	1,216	-	RFQ	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	-	Phase Control	0°C ~ 70°C (TA)	-	-	Surface Mount	8-SOIC
ISL6520BCR SWITCHING CONTROLLER Intersil	1,227	-	RFQ	Datasheet	-	16-VQFN Exposed Pad	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	16-QFN (4x4)
ISL6526AIB SWITCHING CONTROLLER Intersil	3,890	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width)	Tube	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	2.97V ~ 3.63V	600kHz	100%	Yes	No	-	Enable, Phase Control	-40°C ~ 85°C (TA)	-	-	Surface Mount	14-SOIC

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FREQUENTLY ASKED QUESTIONS

DC DC Switching Controllers FAQ

Common questions about filtering, comparing and sourcing DC DC Switching Controllers components.

How can I narrow the DC DC Switching Controllers selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific DC DC Switching Controllers part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.