DC DC Switching Controllers

Manufacturer 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





















































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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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
UC3842BDR2 onsemi

UC3842BDR2

IC REG CTRLR PWM CM 14-SOIC

onsemi

4,364
RFQ
UC3842BDR2 Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
UC3843BD1R2 onsemi

UC3843BD1R2

IC REG CTRLR FLYBACK 8SOIC

onsemi

2,359
RFQ
UC3843BD1R2 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) 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 8-SOIC
TL494CDB Texas Instruments

TL494CDB

SWITCHING CONTROLLER

Texas Instruments

1,760
RFQ
TL494CDB Datasheet

Datasheet

- 16-SSOP (0.209", 5.30mm Width) 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 7V ~ 40V 1kHz ~ 300kHz 45% No No - Dead Time Control, Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 16-SSOP
SR4410LRL onsemi

SR4410LRL

REC SURGE SUP SPECIAL

onsemi

170,400
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
NCP1587GDR2G onsemi

NCP1587GDR2G

IC REG CTRLR BUCK 8SOIC

onsemi

1,702
RFQ

-

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 275kHz 88% Yes No - Enable, Phase Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
XCY99008BR2 onsemi

XCY99008BR2

PWM CURRENT-MODE CONTROLLER

onsemi

35,000
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
NCP1450ASN19T1G onsemi

NCP1450ASN19T1G

IC REG CTRLR BOOST 5TSOP

onsemi

4,434
RFQ
NCP1450ASN19T1G Datasheet

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Obsolete Transistor Driver Step-Up Positive Boost 1 1 0.9V ~ 6V 180kHz 80% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 5-TSOP
NCP9003SNT1G onsemi

NCP9003SNT1G

LED DRIVER

onsemi

21,000
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
MC33466H-50LT1 onsemi

MC33466H-50LT1

SWITCHING CONTROLLER

onsemi

13,722
RFQ
MC33466H-50LT1 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
NCP1550SN30T1 onsemi

NCP1550SN30T1

IC REG CTRLR BUCK 5TSOP

onsemi

4,064
RFQ
NCP1550SN30T1 Datasheet

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.45V ~ 5.5V 600kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 5-TSOP
MC33466H-30JT1 onsemi

MC33466H-30JT1

IC REG LIN SWITCHING VOLT MODE

onsemi

7,000
RFQ
MC33466H-30JT1 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
UC2842BD1G onsemi

UC2842BD1G

IC REG CTRLR BST FLYBK ISO 8SOIC

onsemi

2,020
RFQ
UC2842BD1G Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control -25°C ~ 85°C (TA) - - Surface Mount 8-SOIC
UC3844BDG onsemi

UC3844BDG

IC REG CTRLR PWM CM 14-SOIC

onsemi

4,907
RFQ
UC3844BDG Datasheet

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 10V ~ 36V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
TL594CDR2 onsemi

TL594CDR2

IC REG CTRLR BCK/PSH-PULL 16SOIC

onsemi

1,477
RFQ
TL594CDR2 Datasheet

Datasheet

SWITCHMODE™ 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Push-Pull 2 1 7V ~ 40V 300kHz 96% Yes No - Dead Time Control, Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
UC2845BD1G onsemi

UC2845BD1G

IC REG CTRLR BOOST/FLYBACK 8SOIC

onsemi

3,662
RFQ
UC2845BD1G Datasheet

Datasheet

- 8-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 48% No No - Frequency Control -25°C ~ 85°C (TA) - - Surface Mount 8-SOIC
KA3883C Fairchild Semiconductor

KA3883C

SWITCHING CONTROLLER

Fairchild Semiconductor

26,014
RFQ
KA3883C Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver - Positive - 1 1 7.6V ~ 30V Up to 500kHz 96% Yes No - - 0°C ~ 70°C (TA) - - Through Hole 8-DIP
UC3842ADX Fairchild Semiconductor

UC3842ADX

SWITCHING CONTROLLER

Fairchild Semiconductor

5,581
RFQ
UC3842ADX Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete 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 8-SOIC
TL494CDBR Texas Instruments

TL494CDBR

IC REG CTRLR MULT TOP 16SSOP

Texas Instruments

4,881
RFQ
TL494CDBR Datasheet

Datasheet

- 16-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter, Full-Bridge, Half-Bridge, Push-Pull 2 1 7V ~ 40V 1kHz ~ 300kHz 45% No No - Dead Time Control, Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 16-SSOP
LV5747NTTL-TLM-E-SY Sanyo

LV5747NTTL-TLM-E-SY

STEP-DOWN SWITCHING REGULATOR

Sanyo

32,000
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
LV5747NTTL-TLM-E onsemi

LV5747NTTL-TLM-E

STEP-DOWN SWITCHING REGULATOR

onsemi

24,000
RFQ
LV5747NTTL-TLM-E Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
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DC DC Switching Controllers Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing DC DC Switching Controllers components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports DC DC Switching Controllers Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

DC DC Switching Controllers FAQ

Can FPGAX source both active and end-of-life DC DC Switching Controllers components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a DC DC Switching Controllers sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.