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
NCP1550SN27T1G onsemi

NCP1550SN27T1G

IC REG CTRLR BUCK 5TSOP

onsemi

4,419
RFQ
NCP1550SN27T1G 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
TL3842D Texas Instruments

TL3842D

IC REG CTRLR BST FLYBK CM 14SOIC

Texas Instruments

2,454
RFQ
TL3842D Datasheet

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 97% No No - Frequency Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
IR3638DR2G onsemi

IR3638DR2G

SWITCHING CONTROLLER

onsemi

10,000
RFQ
IR3638DR2G Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
NCP1550SN19T1G onsemi

NCP1550SN19T1G

IC REG CTRLR BUCK 5TSOP

onsemi

2,015
RFQ
NCP1550SN19T1G 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
NCP1550SN27T1 onsemi

NCP1550SN27T1

IC REG CTRLR BUCK 5TSOP

onsemi

1,710
RFQ
NCP1550SN27T1 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
NCP1550SN30T1G onsemi

NCP1550SN30T1G

IC REG CTRLR BUCK 5TSOP

onsemi

1,507
RFQ
NCP1550SN30T1G 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
UC3842AN1 onsemi

UC3842AN1

ANA SMPS PWM CONTROLLER

onsemi

1,950
RFQ
UC3842AN1 Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active 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) - - Through Hole 8-PDIP
NCP1550SN19T1 onsemi

NCP1550SN19T1

IC REG CTRLR BUCK 5TSOP

onsemi

1,404
RFQ
NCP1550SN19T1 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
NCP1550SN18T1 onsemi

NCP1550SN18T1

IC REG CTRLR BUCK 5TSOP

onsemi

1,502
RFQ
NCP1550SN18T1 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
UC2845BDG onsemi

UC2845BDG

IC REG CTRLR BOOST/FLYBK 14SOIC

onsemi

2,297
RFQ
UC2845BDG 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 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control -25°C ~ 85°C (TA) - - Surface Mount 14-SOIC
CS3845BGN8 onsemi

CS3845BGN8

SWITCHING CONTROLLER

onsemi

112,992
RFQ
CS3845BGN8 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
CS3845GN8 onsemi

CS3845GN8

SWITCHING CONTROLLER

onsemi

38,681
RFQ
CS3845GN8 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
CS3844GN8 onsemi

CS3844GN8

SWITCHING CONTROLLER

onsemi

8,850
RFQ
CS3844GN8 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
FAN6520BM Fairchild Semiconductor

FAN6520BM

SWITCHING REGLTR, VOLTAGE-MODE

Fairchild Semiconductor

4,995
RFQ
FAN6520BM Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube 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
UC2842BDG onsemi

UC2842BDG

IC REG CTRLR PWM CM 14-SOIC

onsemi

1,980
RFQ
UC2842BDG 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 ~ 30V Up to 500kHz 96% No No - Frequency Control -25°C ~ 85°C (TA) - - Surface Mount 14-SOIC
NCP1589BMNTWG onsemi

NCP1589BMNTWG

IC REG CTRLR BUCK 10DFN

onsemi

2,011
RFQ
NCP1589BMNTWG Datasheet

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 600kHz 75% Yes No - Enable, Power Good 0°C ~ 70°C (TA) - - Surface Mount, Wettable Flank 10-DFN (3x3)
TL2843D Texas Instruments

TL2843D

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

3,115
RFQ
TL2843D Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 97% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
SUR8820 onsemi

SUR8820

REC T0220 SPECIAL ULTFST

onsemi

38,950
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
UC3845BVDG onsemi

UC3845BVDG

IC REG CTRLR BOOST/FLYBK 14SOIC

onsemi

4,540
RFQ
UC3845BVDG 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 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control -40°C ~ 105°C (TA) - - Surface Mount 14-SOIC
NCP1573DR2 onsemi

NCP1573DR2

IC REG CTRLR BUCK 8SOIC

onsemi

4,357
RFQ
NCP1573DR2 Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete 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
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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.