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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.

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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
CS51021AED16 onsemi

CS51021AED16

SWITCHING CONTROLLER

onsemi

1,350 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
CS3972YN8 onsemi

CS3972YN8

SWITCHING CONTROLLER

onsemi

102,950 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
SR4461 onsemi

SR4461

REC JUMBO BUTTON SPECIAL

onsemi

60,000 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
CS51033GDR8G onsemi

CS51033GDR8G

IC REG CTRLR BUCK 8SOIC

onsemi

3,969 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16V 200kHz 83.3% No No - Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
CS51033YDR8G onsemi

CS51033YDR8G

IC REG CTRLR BUCK 8SOIC

onsemi

1,129 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16V 200kHz 83.3% No No - Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
CS51031GDR8G onsemi

CS51031GDR8G

IC REG CTRLR BUCK 8SOIC

onsemi

4,741 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.3V ~ 20V 200kHz 83.3% No No - Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
UC2843DTR/80869 Unitrode

UC2843DTR/80869

UC2843 SWITCHING CONTROLLER

Unitrode

5,000 -
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
CS51031GD8G onsemi

CS51031GD8G

IC REG CTRLR BUCK 8SOIC

onsemi

3,316 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.3V ~ 20V 200kHz 83.3% No No - Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
CS51033GD8G onsemi

CS51033GD8G

IC REG CTRLR BUCK 8SOIC

onsemi

1,358 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16V 200kHz 83.3% No No - Frequency Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
CS51033YD8G onsemi

CS51033YD8G

IC REG CTRLR BUCK 8SOIC

onsemi

3,332 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16V 200kHz 83.3% No No - Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
CS3972YDWR16 onsemi

CS3972YDWR16

SWITCHING CONTROLLER

onsemi

3,000 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
ADP32120091MNR2G onsemi

ADP32120091MNR2G

SWITCHING CONTROLLER

onsemi

95,000 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
CS5160GDR16 onsemi

CS5160GDR16

SWITCHING CONTROLLER

onsemi

45,000 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
FAN6520BIMX Fairchild Semiconductor

FAN6520BIMX

SWITCHING REGLTR, VOLTAGE-MODE

Fairchild Semiconductor

14,023 -
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 - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
CS5150GDR16 onsemi

CS5150GDR16

SWITCHING CONTROLLER

onsemi

12,500 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
CS5160GD16 onsemi

CS5160GD16

SWITCHING CONTROLLER

onsemi

10,848 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
CS5156GN16 onsemi

CS5156GN16

SWITCHING CONTROLLER

onsemi

3,775 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
TL3844BD Texas Instruments

TL3844BD

IC REG CTRLR BST FLYBK CM 14SOIC

Texas Instruments

3,845 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
ADP1147AR-5 Analog Devices Inc.

ADP1147AR-5

STEP-DOWN SWITCHING REG

Analog Devices Inc.

3,040 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 16V Up to 250kHz - No No - Current Limit, Enable, Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
ADP1147AR-5-REEL7 Analog Devices Inc.

ADP1147AR-5-REEL7

STEP-DOWN SWITCHING REG

Analog Devices Inc.

3,000 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 16V Up to 250kHz - No No - Current Limit, Enable, Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
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WINSUN SOURCING SUPPORT

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FREQUENTLY ASKED QUESTIONS

DC DC Switching Controllers FAQ

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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.