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FILTERED PRODUCT SELECTION

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.

Parametric Selection Filter options by technical parameters
Stock & Datasheets Review availability and technical references
RFQ & BOM Support Send your target MPN, quantity or BOM
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
FAN5066MTC Fairchild Semiconductor

FAN5066MTC

SWITCHING CONTROLLER

Fairchild Semiconductor

1,325 -
Datasheet - 20-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 5.25V 300kHz, 80kHz ~ 1MHz 95% Yes No - Enable, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-TSSOP
UC3843ADX Fairchild Semiconductor

UC3843ADX

UC3843 - CURRENT-MODE PWM CONTRO

Fairchild Semiconductor

2,271 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active 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 8-SOIC
ML4903CT Fairchild Semiconductor

ML4903CT

SWITCHING CONTROLLER

Fairchild Semiconductor

1,258 -
Datasheet - 20-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 5.25V, 11.4V ~ 12.6V 200kHz 98% No No - - 0°C ~ 70°C - - Surface Mount 20-TSSOP
FAN5066M Fairchild Semiconductor

FAN5066M

SWITCHING CONTROLLER

Fairchild Semiconductor

9,576 -
Datasheet - 20-SOIC (0.295", 7.50mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 5.25V 80kHz ~ 1MHz 95% Yes No - Enable, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
FAN5066MTCX Fairchild Semiconductor

FAN5066MTCX

SWITCHING CONTROLLER

Fairchild Semiconductor

4,950 -
Datasheet - 20-TSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 5.25V 300kHz, 80kHz ~ 1MHz 95% Yes No - Enable, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-TSSOP
FAN5066MX Fairchild Semiconductor

FAN5066MX

SWITCHING CONTROLLER

Fairchild Semiconductor

2,725 -
Datasheet - 20-SOIC (0.295", 7.50mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 5.25V 80kHz ~ 1MHz 95% Yes No - Enable, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
ML4894ES Fairchild Semiconductor

ML4894ES

SWITCHING CONTROLLER

Fairchild Semiconductor

4,485 -
Datasheet - 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 5.9V ~ 15V - 95% Yes No - Current Limit, Enable -20°C ~ 70°C (TA) - - Surface Mount 8-SOIC
DAP024 Fairchild Semiconductor

DAP024

SWITCHING CONTROLLER

Fairchild Semiconductor

345,000 -
Datasheet * - Bulk Active - - - - - - - - - - - - - - - - - -
KA7500C Fairchild Semiconductor

KA7500C

SWITCHING CONTROLLER, VOLTAGE-MO

Fairchild Semiconductor

1,500 -
Datasheet - 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 7V ~ 40V 1kHz ~ 200kHz 45% Yes No - Dead Time Control -25°C ~ 85°C (TA) - - Through Hole 16-PDIP
KA7553A Fairchild Semiconductor

KA7553A

SWITCHING CONTROLLER, CURRENT-MO

Fairchild Semiconductor

12,000 -
Datasheet - 8-DIP (0.300", 7.62mm) Bulk Active Transistor Driver - Positive - 1 1 8.7V ~ 30V - 46% Yes No - - -25°C ~ 85°C (TA) - - Through Hole 8-DIP
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WINSUN SOURCING SUPPORT

Need Help Sourcing DC DC Switching Controllers?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
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.