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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
NCP1573D onsemi

NCP1573D

SWITCHING CONTROLLER

onsemi

1,568 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 11.4V ~ 12.6V 200kHz - Yes No - Power Good 0°C ~ 125°C (TJ) - - Surface Mount 8-SOIC
2005ASZ Fairchild Semiconductor

2005ASZ

IC REG CTRLR 16SOIC

Fairchild Semiconductor

32,500 -
Datasheet - 16-SOIC (0.154", 3.90mm Width) Bulk Active - - - - - - - - - - - - - - - - Surface Mount 16-SOIC
FAN2012BMPX Fairchild Semiconductor

FAN2012BMPX

CONV DC-DC SINGLE STEP DOWN 4.5V

Fairchild Semiconductor

1,679 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
KA3883CDTF Fairchild Semiconductor

KA3883CDTF

SWITCHING CONTROLLER, 1A, 500KHZ

Fairchild Semiconductor

36,091 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver - Positive - 1 1 7.6V ~ 30V Up to 500kHz 96% Yes No - - 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
FAN7554 onsemi

FAN7554

IC REG CTLR FLYBK/FWRD CONV 8DIP

onsemi

3,166 -
Datasheet - 8-DIP (0.300", 7.62mm) Bulk Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 9V ~ 30V 500kHz 95% Yes No - Soft Start -25°C ~ 85°C (TA) - - Through Hole 8-DIP
UC2843BDG onsemi

UC2843BDG

IC REG CTRLR FLYBACK 14SOIC

onsemi

1,757 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk 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 -25°C ~ 85°C (TA) - - Surface Mount 14-SOIC
UC3843BDG onsemi

UC3843BDG

IC REG CTRLR FLYBACK 14SOIC

onsemi

2,291 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Bulk 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 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
NCP5212TMNTXG onsemi

NCP5212TMNTXG

IC REG CTRLR BUCK 16QFN

onsemi

1,181 -
Datasheet - 16-VQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 27V 300kHz - Yes Yes - Current Limit, Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (4x4)
NCP1378DR2 onsemi

NCP1378DR2

IC REG CTRLR FLYBACK 8SOIC

onsemi

2,035 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive Flyback 1 1 8.4V ~ 18V - - No No - Current Limit 0°C ~ 125°C (TJ) - - Surface Mount 8-SOIC
FAN6520AMX Fairchild Semiconductor

FAN6520AMX

SWITCHING CONTROLLER

Fairchild Semiconductor

432,232 -
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 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
SP6132CU-L/TR Sipex

SP6132CU-L/TR

SWITCHING CONTROLLER, VOLTAGE-MO

Sipex

18,500 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
ADP3159JRU-REEL Analog Devices Inc.

ADP3159JRU-REEL

IC REG BUCK 4BIT CNTRL 20-TSSOP

Analog Devices Inc.

5,000 -
Datasheet - - Bulk Active - - - - - - - - - - - - - - - - - -
SR4490 onsemi

SR4490

REC JUMBO BUTTON SPECIAL

onsemi

5,000 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
SP6122ACU Sipex

SP6122ACU

LOW VOLTAGE PFET BUCK CONTROLLER

Sipex

1,393 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
NCP5269BMNTWG onsemi

NCP5269BMNTWG

IC REG CTRLR BUCK 20QFN

onsemi

1,634 -
Datasheet - 20-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3.3V ~ 28V 300kHz, 400kHz, 600kHz - Yes No - Enable, Frequency Control, Power Good -40°C ~ 100°C (TA) - - Surface Mount 20-QFN (3x3)
CS3524AGN16 onsemi

CS3524AGN16

SWITCHING CONTROLLER

onsemi

27,748 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
SP6132HCU-L/TR Sipex

SP6132HCU-L/TR

SWITCHING CONTROLLER, VOLTAGE-MO

Sipex

2,500 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
SP6132HCU-L Sipex

SP6132HCU-L

SWITCHING CONTROLLER, VOLTAGE-MO

Sipex

2,276 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
LV5064VB-TLM-H onsemi

LV5064VB-TLM-H

IC REG CTRLR BUCK

onsemi

1,062 -
Datasheet * - Bulk Obsolete - - - - - - - - - - - - - - - - - -
SG5701TZ onsemi

SG5701TZ

IC REG CTRLR FLYBK ISO PWM SOT23

onsemi

36,000 -
Datasheet - SOT-23-6 Tape & Reel (TR) Obsolete - - - - - - - - - - - - - - - - Surface Mount SOT-26
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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.