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
LTC1775IS#TRPBF Analog Devices Inc.

LTC1775IS#TRPBF

IC REG CTRLR BUCK/BCK-BST 16SOIC

Analog Devices Inc.

3,680
RFQ
LTC1775IS#TRPBF Datasheet

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down, Step-Up/Step-Down Positive or Negative Buck, Buck-Boost 1 1 4.3V ~ 36V 150kHz 99% Yes Yes - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC1159CG-5#TRPBF Analog Devices Inc.

LTC1159CG-5#TRPBF

IC REG CTRLR BUCK 20SSOP

Analog Devices Inc.

3,713
RFQ
LTC1159CG-5#TRPBF Datasheet

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 20-SSOP
LTC1159CG#TRPBF Analog Devices Inc.

LTC1159CG#TRPBF

IC REG CTRLR BUCK 20SSOP

Analog Devices Inc.

2,523
RFQ
LTC1159CG#TRPBF Datasheet

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 20-SSOP
LTC1159CG-3.3#TRPBF Analog Devices Inc.

LTC1159CG-3.3#TRPBF

IC REG CTRLR BUCK 20SSOP

Analog Devices Inc.

4,478
RFQ
LTC1159CG-3.3#TRPBF Datasheet

Datasheet

- 20-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 20-SSOP
LTC1435AIG#TRPBF Analog Devices Inc.

LTC1435AIG#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

1,820
RFQ
LTC1435AIG#TRPBF Datasheet

Datasheet

- 16-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LT8705AHFE#TRPBF Analog Devices Inc.

LT8705AHFE#TRPBF

IC REG CTRLR BUCK-BOOST 38TSSOP

Analog Devices Inc.

2,667
RFQ
LT8705AHFE#TRPBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 2 2.8V ~ 80V 100kHz ~ 400kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 150°C - - Surface Mount 38-TSSOP-EP
LTC1149CN-5#PBF Analog Devices Inc.

LTC1149CN-5#PBF

IC REG CTRLR BUCK 16DIP

Analog Devices Inc.

2,875
RFQ
LTC1149CN-5#PBF Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Down Positive Buck 1 1 Up to 48V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
LTC1149CN-3.3#PBF Analog Devices Inc.

LTC1149CN-3.3#PBF

IC REG CTRLR BUCK 16DIP

Analog Devices Inc.

1,376
RFQ
LTC1149CN-3.3#PBF Datasheet

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Down Positive Buck 1 1 Up to 48V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
LTC3722HGN-1#TRPBF Analog Devices Inc.

LTC3722HGN-1#TRPBF

IC REG CTRLR FULL-BRIDGE 24SSOP

Analog Devices Inc.

1,254
RFQ
LTC3722HGN-1#TRPBF Datasheet

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Full-Bridge 2 2 3.8V ~ 10.25V - 98.5% Yes Yes - Current Limit, Ramp, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 24-SSOP
LTC1437AIG#TRPBF Analog Devices Inc.

LTC1437AIG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

1,142
RFQ
LTC1437AIG#TRPBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LT8708HUHG#TRPBF Analog Devices Inc.

LT8708HUHG#TRPBF

80V SYNCHRONOUS 4-SWITCH BUCK-BO

Analog Devices Inc.

4,948
RFQ
LT8708HUHG#TRPBF Datasheet

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 2.8V ~ 80V 100kHz ~ 400kHz 80% Yes Yes - - -40°C ~ 150°C - - Surface Mount 40-QFN (5x8)
LTC3886IUKG#TRPBF Analog Devices Inc.

LTC3886IUKG#TRPBF

IC REG CTRLR BUCK PMBUS 52QFN

Analog Devices Inc.

4,315
RFQ
LTC3886IUKG#TRPBF Datasheet

Datasheet

PolyPhase® 52-WFQFN, 46 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 60V 100kHz ~ 750kHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 52-QFN (7x8)
LTC1438XCG#TRPBF Analog Devices Inc.

LTC1438XCG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

1,731
RFQ
LTC1438XCG#TRPBF Datasheet

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SSOP
LTC3779HFE#TRPBF Analog Devices Inc.

LTC3779HFE#TRPBF

IC REG CTRLR BUCK-BOOST 38-TSSOP

Analog Devices Inc.

2,712
RFQ
LTC3779HFE#TRPBF Datasheet

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 1 1 4.5V ~ 150V 50kHz ~ 600kHz 90% Yes No - Current Limit, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
MAX1631AEAI+T Analog Devices Inc./Maxim Integrated

MAX1631AEAI+T

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc./Maxim Integrated

3,366
RFQ

-

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 4.2V ~ 30V 200kHz ~ 300kHz 99% Yes Yes - Enable, Reset, Sequencing -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
MAX5041EAI+T Analog Devices Inc./Maxim Integrated

MAX5041EAI+T

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc./Maxim Integrated

3,696
RFQ

-

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 28V 250kHz, 500kHz - Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3786IUD#TRPBF Analog Devices Inc.

LTC3786IUD#TRPBF

IC REG CTRLR MULT TOPOLOGY 16QFN

Analog Devices Inc.

3,380
RFQ
LTC3786IUD#TRPBF Datasheet

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 4.5V ~ 38V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
ISL68239IRAZ-T Renesas Electronics Corporation

ISL68239IRAZ-T

INFRA AVS 3OUT/12PH DIGITAL CONT

Renesas Electronics Corporation

4,813
RFQ
ISL68239IRAZ-T Datasheet

Datasheet

- 68-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 3 12 3.135V ~ 3.465V 200kHz ~ 2MHz - No Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 68-QFN (8x8)
XR77129ELBMTR-F MaxLinear, Inc.

XR77129ELBMTR-F

IC REG CTRLR BUCK SMBUS 44TQFN

MaxLinear, Inc.

4,926
RFQ
XR77129ELBMTR-F Datasheet

Datasheet

- 44-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 4 1 6V ~ 40V 105kHz ~ 1.23MHz - Yes No I2C, SMBus Enable -40°C ~ 125°C (TJ) - - Surface Mount 44-TQFN (7x7)
LTC3807MPUDC#TRPBF Analog Devices Inc.

LTC3807MPUDC#TRPBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

1,190
RFQ
LTC3807MPUDC#TRPBF Datasheet

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 50kHz ~ 900kHz 99% Yes No - Current Limit, Enable, Frequency Control, Soft Start, Tracking -55°C ~ 150°C (TJ) - - Surface Mount 20-QFN (3x4)
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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.