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.

Compare Part Numbers Review available models and manufacturers

Datasheets & Specifications Access technical references quickly

RFQ & BOM Support Send quantities for sourcing and quotation

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
UC3843BVD1 IC REG CTRLR FLYBACK 8SOIC onsemi	4,064	-	RFQ	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	96%	No	No	-	Frequency Control	-40°C ~ 105°C (TA)	-	-	Surface Mount	8-SOIC
UC3844BVD1 IC REG CTRLR PWM CM 8-SOIC onsemi	2,465	-	RFQ	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	10V ~ 36V	Up to 500kHz	48%	No	No	-	Frequency Control	-40°C ~ 105°C (TA)	-	-	Surface Mount	8-SOIC
UC3845BVD1 IC REG CTRLR BOOST/FLYBACK 8SOIC onsemi	3,133	-	RFQ	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
TL494CN IC REG CTRLR BCK/PUSH-PULL 16DIP onsemi	3,272	-	RFQ	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
IR3640MPBF IC REG CTRLR BUCK 20MLPQ Infineon Technologies	1,959	-	RFQ	Datasheet	-	20-VFQFN Exposed Pad	Tube	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5V ~ 5.5V	225kHz ~ 1.65MHz	92%	Yes	Yes	-	Current Limit, Enable, Frequency Control, Power Good, Sequencing, Soft Start	-40°C ~ 125°C (TJ)	-	-	Surface Mount	20-MLPQ (3x4)
LM3485Q1MMX/NOPB IC REG CTRLR BUCK 8VSSOP Texas Instruments	2,982	-	RFQ	Datasheet	-	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	Tape & Reel (TR)	Obsolete	Transistor Driver	Step-Down	Positive	Buck	1	1	4.5V ~ 35V	-	100%	No	No	-	-	-40°C ~ 125°C (TJ)	Automotive	AEC-Q100	Surface Mount	8-VSSOP
IXD2121D091MR-G STEP-UP DC/DC CONTROLLER ADJUSTA Zilog	4,032	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Active	Transistor Driver	Step-Up	Positive	Boost	1	1	1.8V ~ 6V	100kHz	96%	No	No	-	Current Limit, Enable, Ramp, Soft Start	-40°C ~ 85°C	-	-	Surface Mount	SOT-25
IXD2121B091MR-G STEP-UP DC/DC CONTROLLER ADJUSTA Zilog	2,216	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Active	Transistor Driver	Step-Up	Positive	Boost	1	1	1.8V ~ 6V	100kHz	96%	No	No	-	Current Limit, Enable, Ramp, Soft Start	-40°C ~ 85°C	-	-	Surface Mount	SOT-25
IXD2120D091MR-G STEP-UP DC/DC CONTROLLER ADJUSTA Zilog	1,983	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Active	Transistor Driver	Step-Up	Positive	Boost	1	1	1.8V ~ 6V	100kHz	96%	No	No	-	Current Limit, Enable, Ramp, Soft Start	-40°C ~ 85°C	-	-	Surface Mount	SOT-25
IXD2120B091MR-G STEP-UP DC/DC CONTROLLER ADJUSTA Zilog	2,267	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Active	Transistor Driver	Step-Up	Positive	Boost	1	1	1.8V ~ 6V	100kHz	96%	No	No	-	Current Limit, Enable, Ramp, Soft Start	-40°C ~ 85°C	-	-	Surface Mount	SOT-25
NCP1571DR2 IC REG CTRLR BUCK 8SOIC onsemi	4,389	-	RFQ	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
TPS64201DBVRG4 IC REG CTRLR BUCK SOT23-6 Texas Instruments	2,144	-	RFQ	Datasheet	-	SOT-23-6	Tape & Reel (TR)	Discontinued at Digi-Key	Transistor Driver	Step-Down	Positive or Negative	Buck	1	1	1.8V ~ 6.5V	-	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-6
TPS64203DBVRG4 IC REG CTRLR BUCK SOT23-6 Texas Instruments	4,551	-	RFQ	Datasheet	-	SOT-23-6	Tape & Reel (TR)	Discontinued at Digi-Key	Transistor Driver	Step-Down	Positive or Negative	Buck	1	1	1.8V ~ 6.5V	-	100%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-6
S-8352A25MC-K2KT2G IC REG CTRLR BOOST SOT23-5 ABLIC Inc.	3,325	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Up	Positive	Boost	1	1	0.9V ~ 10V	100kHz	75%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8352A30MC-K2PT2G IC REG CTRLR BOOST SOT23-5 ABLIC Inc.	1,974	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Up	Positive	Boost	1	1	0.9V ~ 10V	100kHz	75%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8352A32MC-K2RT2G IC REG CTRLR BOOST SOT23-5 ABLIC Inc.	2,896	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Up	Positive	Boost	1	1	0.9V ~ 10V	100kHz	75%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8352A33MC-K2ST2G IC REG CTRLR BOOST SOT23-5 ABLIC Inc.	3,556	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Up	Positive	Boost	1	1	0.9V ~ 10V	100kHz	75%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8352A35MC-K2UT2G IC REG CTRLR BOOST SOT23-5 ABLIC Inc.	4,093	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Up	Positive	Boost	1	1	0.9V ~ 10V	100kHz	75%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8352A37MC-K2WT2G IC REG CTRLR BOOST SOT23-5 ABLIC Inc.	4,798	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Up	Positive	Boost	1	1	0.9V ~ 10V	100kHz	75%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5
S-8352A40MC-K2ZT2G IC REG CTRLR BOOST SOT23-5 ABLIC Inc.	2,712	-	RFQ	Datasheet	-	SC-74A, SOT-753	Tape & Reel (TR)	Not For New Designs	Transistor Driver	Step-Up	Positive	Boost	1	1	0.9V ~ 10V	100kHz	75%	No	No	-	Enable	-40°C ~ 85°C (TA)	-	-	Surface Mount	SOT-23-5

WINSUN SOURCING SUPPORT

Need DC DC Switching Controllers Sourcing Support?

Send the manufacturer, part number, quantity and target delivery requirement. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and hard-to-find or obsolete components.

Global component sourcing support BOM, shortage and EOL support

Send part number & quantity Request a Quote

Need sourcing assistance? Contact Sales

FREQUENTLY ASKED QUESTIONS

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.

Can Winsun help source specific DC DC Switching Controllers part numbers?

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.

How do I request a quote for DC DC Switching Controllers components?

Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.