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
E-UC2844BD1013TR STMicroelectronics

E-UC2844BD1013TR

IC REG CTRLR BST FLYBK ISO 8SOIC

STMicroelectronics

1,011
RFQ
E-UC2844BD1013TR Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control -25°C ~ 85°C (TA) - - Surface Mount 8-SOIC
UC3844AN STMicroelectronics

UC3844AN

IC REG CTRLR PWM CM 8-MINIDIP

STMicroelectronics

2,432
RFQ
UC3844AN Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-Mini DIP
UC3843AD1 STMicroelectronics

UC3843AD1

IC REG CTRLR BOOST/FLYBACK 8SOIC

STMicroelectronics

4,128
RFQ
UC3843AD1 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube 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 8-SOIC
UC3844AD1 STMicroelectronics

UC3844AD1

IC REG CTRLR BST FLYBK ISO 8SOIC

STMicroelectronics

4,343
RFQ
UC3844AD1 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
E-UC2842BD1 STMicroelectronics

E-UC2842BD1

IC REG CTRLR BST FLYBK ISO 8SOIC

STMicroelectronics

4,331
RFQ
E-UC2842BD1 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver 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
E-UC2843BD1 STMicroelectronics

E-UC2843BD1

IC REG CTRLR BOOST/FLYBACK 8SOIC

STMicroelectronics

3,625
RFQ
E-UC2843BD1 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver 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 8-SOIC
E-UC2845BD1 STMicroelectronics

E-UC2845BD1

IC REG CTRLR BOOST/FLYBACK 8SOIC

STMicroelectronics

4,136
RFQ
E-UC2845BD1 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver 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
TL3842PE4 Texas Instruments

TL3842PE4

ECONOMY SINGLE ENDED 500KHZ CURR

Texas Instruments

4,803
RFQ

-

- 8-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V 500kHz 97% No No - Current Limit, Frequency Control 0°C ~ 70°C - - Through Hole 8-PDIP
AP3591FNTR-G1 Diodes Incorporated

AP3591FNTR-G1

IC REG CTRLR BUCK U-QFN3535-14

Diodes Incorporated

2,607
RFQ
AP3591FNTR-G1 Datasheet

Datasheet

- 14-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 26V - - Yes No - Enable, On Time Control, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount U-QFN3535-14
TL594CNG4 Texas Instruments

TL594CNG4

IC REG CTRLR MULT TOPOLOGY 16DIP

Texas Instruments

1,629
RFQ
TL594CNG4 Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key 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 97% No No - Dead Time Control, Frequency Control 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
TL594ING4 Texas Instruments

TL594ING4

IC REG CTRLR MULT TOPOLOGY 16DIP

Texas Instruments

3,324
RFQ
TL594ING4 Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key 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 97% No No - Dead Time Control, Frequency Control -40°C ~ 85°C (TA) - - Through Hole 16-PDIP
UC2844AN STMicroelectronics

UC2844AN

IC REG CTRLR PWM CM 8DIP

STMicroelectronics

2,733
RFQ
UC2844AN Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control -25°C ~ 85°C (TA) - - Through Hole 8-Mini DIP
TL594INSRG4 Texas Instruments

TL594INSRG4

IC REG CTRLR MULT TOPOLOGY 16SO

Texas Instruments

2,692
RFQ
TL594INSRG4 Datasheet

Datasheet

- 16-SOIC (0.209", 5.30mm Width) Tape & Reel (TR) Discontinued at Digi-Key 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 97% No No - Dead Time Control, Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 16-SO
NCP1450ASN50T1 onsemi

NCP1450ASN50T1

IC REG CTRLR BOOST 5TSOP

onsemi

4,263
RFQ
NCP1450ASN50T1 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
NCP1450ASN33T1 onsemi

NCP1450ASN33T1

IC REG CTRLR BOOST 5TSOP

onsemi

4,238
RFQ
NCP1450ASN33T1 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
NCP1450ASN30T1 onsemi

NCP1450ASN30T1

IC REG CTRLR BOOST 5TSOP

onsemi

3,404
RFQ
NCP1450ASN30T1 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
RT8209MGQW Richtek USA Inc.

RT8209MGQW

IC REG CTRLR BUCK 14WQFN

Richtek USA Inc.

3,305
RFQ
RT8209MGQW Datasheet

Datasheet

- 14-PowerWFQFN Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V - - Yes No - Current Limit, Enable, On Time Control, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 14-WQFN (3.5x3.5)
E-UC3842BN STMicroelectronics

E-UC3842BN

IC REG CTRLR PWM CM 8-MINIDIP

STMicroelectronics

1,313
RFQ
E-UC3842BN Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver 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) - - Through Hole 8-Mini DIP
E-UC3843BN STMicroelectronics

E-UC3843BN

IC REG CTRLR BST/FLYBK 8-MINIDIP

STMicroelectronics

3,652
RFQ
E-UC3843BN Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver 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) - - Through Hole 8-Mini DIP
E-UC3844BN STMicroelectronics

E-UC3844BN

IC REG CTRLR PWM CM 8-MINIDIP

STMicroelectronics

1,322
RFQ
E-UC3844BN Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-Mini DIP
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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.