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
UC3842ADWG4 IC REG CTRLR PWM CM 16SOIC Unitrode	1,120	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Bulk	Active	Transistor Driver	Step-Up, Step-Down, Step-Up/Step-Down	Positive, Isolation Capable	Boost, Buck, Flyback, Forward	1	1	10V ~ 30V	Up to 500kHz	96%	No	No	-	Frequency Control	0°C ~ 70°C (TA)	-	-	Surface Mount	16-SOIC
UC2843ANNTR UC2843 SWITCHING CONTROLLER Unitrode	21,377	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm)	Bulk	Active	Transistor Driver	Step-Up, Step-Down, 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)	-	-	Through Hole	8-PDIP
UC2843AQ 1A, 500KHZ BIPOLAR, PQCC20 Unitrode	2,249	-	RFQ	Datasheet	-	20-LCC (J-Lead)	Bulk	Active	Transistor Driver	Step-Up, Step-Down, 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 ~ 125°C (TJ)	-	-	Surface Mount	20-PLCC (9x9)
UC2843DTR/80869 UC2843 SWITCHING CONTROLLER Unitrode	5,000	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width)	Bulk	Active	Transistor Driver	Step-Up, Step-Down, Step-Up/Step-Down	Positive, Isolation Capable	Boost, Buck, Buck-Boost, Flyback, Forward	1	1	12V ~ 28V	Up to 500kHz	97%	No	No	-	Frequency Control	-40°C ~ 85°C (TA)	-	-	Surface Mount	14-SOIC
UC2843NNTR UC2843 SWITCHING CONTROLLER Unitrode	2,400	-	RFQ	Datasheet	-	8-DIP (0.300", 7.62mm)	Bulk	Active	Transistor Driver	Step-Up, Step-Down, Step-Up/Step-Down	Positive, Isolation Capable	Boost, Buck, Buck-Boost, Flyback, Forward	1	1	12V ~ 28V	Up to 500kHz	97%	No	No	-	Frequency Control	-40°C ~ 85°C (TA)	-	-	Through Hole	8-PDIP
UC2842DW 1A, 500KHZ BIPOLAR, PDSO16 Unitrode	3,230	-	RFQ	Datasheet	-	16-SOIC (0.295", 7.50mm Width)	Bulk	Active	Transistor Driver	Step-Up, Step-Down, Step-Up/Step-Down	Positive	Boost, Buck, Buck-Boost, Flyback, Forward	1	1	12V ~ 28V	Up to 500kHz	97%	No	No	-	Frequency Control	-40°C ~ 85°C	-	-	Surface Mount	16-SOIC
UC3525AQ SWITCHING CONTROLLER, VOLTAGE-MO Unitrode	921	-	RFQ	Datasheet	-	20-LCC (J-Lead)	Bulk	Active	Transistor Driver	Step-Up, Step-Down, Step-Up/Step-Down	Positive	Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull	2	1	8V ~ 35V	100Hz ~ 400kHz	49%	Yes	Yes	-	Enable, Frequency Control, Soft Start	0°C ~ 70°C (TA)	-	-	Surface Mount	20-PLCC (9x9)
UCC2961N IC REG CTRLR FWRD CONV 14DIP Unitrode	1,900	-	RFQ	Datasheet	-	14-DIP (0.300", 7.62mm)	Tube	Obsolete	Transistor Driver	Step-Up/Step-Down	Positive, Isolation Capable	Forward Converter	1	1	8V ~ 19V	400kHz	72%	Yes	No	-	Enable, Frequency Control, Soft Start	-40°C ~ 85°C (TA)	-	-	Through Hole	14-PDIP
UC2825N/80709 UC2825 SWITCHING CONTROLLER Unitrode	12,741	-	RFQ	Datasheet	-	16-DIP (0.300", 7.62mm)	Bulk	Active	Transistor Driver	Step-Up, Step-Up/Step-Down	Positive	Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull	2	1	8.4V ~ 30V	340kHz ~ 460kHz	80%	No	No	-	Current Limit, Enable, Frequency Control, Ramp, Soft Start	-40°C ~ 85°C (TA)	-	-	Through Hole	16-PDIP
UCC2961DTR SWITCHING CONTROLLER Unitrode	7,350	-	RFQ	Datasheet	-	14-SOIC (0.154", 3.90mm Width)	Bulk	Active	Transistor Driver	Step-Up/Step-Down	Positive, Isolation Capable	Forward Converter	1	1	8V ~ 19V	400kHz	72%	Yes	No	-	Enable, Frequency Control, Soft Start	-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.