DC DC Switching Controllers

Use the filters and product table below to compare DC DC Switching Controllers components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

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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
S-8521E50MC-BMJT2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	1,438	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 10V	300kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8521F15MC-BPAT2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	4,330	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 16V	300kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8521F18MC-BPDT2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	4,338	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 16V	300kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8521F19MC-BPET2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	3,700	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 16V	300kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8521F25MC-BPKT2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	4,485	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 16V	300kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8521F30MC-BPPT2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	2,327	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 16V	300kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8521F33MC-BPST2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	1,179	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 16V	300kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8521F34MC-BPTT2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	1,914	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 16V	300kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8521F50MC-BQJT2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	1,036	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 16V	300kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8520A20MC-AVFT2G IC REG CTRLR BUCK SOT23-5 ABLIC Inc.	2,437	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Down	Positive	Buck	1	1	2.5V ~ 10V	180kHz	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5

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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.