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
MIC38C43XBM Micrel Inc.

MIC38C43XBM

BICMOS CURRENT-MODE PWM CONTROLL

Micrel Inc.

110,704
RFQ
MIC38C43XBM Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
NCP1583DR2G onsemi

NCP1583DR2G

IC REG CTRLR BUCK 8SOIC

onsemi

3,050
RFQ
NCP1583DR2G Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 300kHz 75% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
CS3843AGDR8 onsemi

CS3843AGDR8

SWITCHING CONTROLLER

onsemi

30,000
RFQ
CS3843AGDR8 Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
FAN6520BMX Fairchild Semiconductor

FAN6520BMX

SWITCHING REGLTR, VOLTAGE-MODE

Fairchild Semiconductor

26,968
RFQ
FAN6520BMX Datasheet

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
ADP1147AN-3.3 Analog Devices Inc.

ADP1147AN-3.3

STEP-DOWN SWITCHING REG

Analog Devices Inc.

15,845
RFQ
ADP1147AN-3.3 Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 16V Up to 250kHz - No No - Current Limit, Enable, Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
TL1453CDR Texas Instruments

TL1453CDR

SWITCHING CONTROLLER

Texas Instruments

15,000
RFQ
TL1453CDR Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active PWM - Positive Boost 2 1 3.6V ~ 40V 1kHz ~ 500kHz - No No - Dead Time Control, Frequency Control -20°C ~ 85°C (TA) - - Surface Mount 16-SOIC
LM3475MF National Semiconductor

LM3475MF

1A, 2000KHZ PDSO5

National Semiconductor

5,400
RFQ
LM3475MF Datasheet

Datasheet

- SC-74A, SOT-753 Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 10V - 100% No No - Enable -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
ADP3198001CPZR onsemi

ADP3198001CPZR

SYNC BUCK CNTRLR INTEL VR

onsemi

5,000
RFQ
ADP3198001CPZR Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
SR4475S onsemi

SR4475S

REC SURGE SUP SPECIAL

onsemi

4,000
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
ADP1147AN-5 Analog Devices Inc.

ADP1147AN-5

STEP-DOWN SWITCHING REG

Analog Devices Inc.

3,466
RFQ
ADP1147AN-5 Datasheet

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 16V Up to 250kHz - No No - Current Limit, Enable, Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
NCP1582DR2G onsemi

NCP1582DR2G

IC REG CTRLR BUCK 8SOIC

onsemi

3,045
RFQ
NCP1582DR2G Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 13.2V 350kHz 75% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
TL1451CDB Texas Instruments

TL1451CDB

IC REG CTRLR MULT TOP 16SSOP

Texas Instruments

1,040
RFQ
TL1451CDB 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 2 1 3.6V ~ 50V 1kHz ~ 500kHz - No No - Frequency Control -20°C ~ 85°C (TA) - - Surface Mount 16-SSOP
NCP1581DR2G onsemi

NCP1581DR2G

IC REG CTRLR BUCK 14SOIC

onsemi

1,074
RFQ
NCP1581DR2G Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 6.3V ~ 20V 400kHz 85% Yes No - Enable, Soft Start 0°C ~ 125°C (TJ) - - Surface Mount 14-SOIC
MIC38C43ABM Microchip Technology

MIC38C43ABM

CURRENT-MODE PWM CONTROLLER

Microchip Technology

31,521
RFQ
MIC38C43ABM Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback, Forward Converter 1 1 7.6V ~ 20V 500kHz 96% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
TL1454CD Texas Instruments

TL1454CD

IC REG CTRLR 16SOIC

Texas Instruments

15,694
RFQ

-

* 16-SOIC (0.154", 3.90mm Width) Tube Obsolete - - - - - - - - - - - - - - - - Surface Mount 16-SOIC
TL2843BQDRQ1 Texas Instruments

TL2843BQDRQ1

IC REG CTRLR MULT TOP 14SOIC

Texas Instruments

3,238
RFQ
TL2843BQDRQ1 Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 7.6V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 14-SOIC
TL1451ACNSN Texas Instruments

TL1451ACNSN

DUAL SWITCHING CONTROLLER

Texas Instruments

6,000
RFQ
TL1451ACNSN Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL6431CB-T Intersil

ISL6431CB-T

SWITCHING CONTROLLER

Intersil

2,500
RFQ
ISL6431CB-T Datasheet

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 - Phase Control 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
TL1454CDR Texas Instruments

TL1454CDR

DUAL SWITCHING CONTROLLER

Texas Instruments

2,500
RFQ
TL1454CDR Datasheet

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL6439AIB Intersil

ISL6439AIB

SWITCHING CONTROLLER

Intersil

1,433
RFQ
ISL6439AIB Datasheet

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 14-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.