Voltage Regulators - DC DC Switching Regulators

Manufacturer Series Package/Case Packaging Product Status Function Output Configuration Topology Output Type Number of Outputs Voltage - Input (Min) Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Synchronous Rectifier Operating Temperature Grade Qualification Mounting Type Supplier Device 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Function Output Configuration Topology Output Type Number of Outputs Voltage - Input (Min) Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Synchronous Rectifier Operating Temperature Grade Qualification Mounting Type Supplier Device Package
EL7551CU Elantec

EL7551CU

IC REG BUCK ADJ 1A 16QSOP

Elantec

186
RFQ
EL7551CU Datasheet

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Bulk Active Step-Down Positive Buck Adjustable 1 4.5V 5.5V 1V 3.8V 1A 200kHz ~ 1MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
LM2577SX-12/NOPB National Semiconductor

LM2577SX-12/NOPB

IC REG BST FLYBACK 12V 3A DDPAK

National Semiconductor

11,850
RFQ
LM2577SX-12/NOPB Datasheet

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Bulk Active Step-Up, Step-Up/Step-Down Positive or Negative Boost, Flyback, Forward Converter Fixed 1 3.5V 40V 12V - 3A (Switch) 52kHz No -40°C ~ 125°C (TJ) - - Surface Mount DDPAK/TO-263-5
LM2575S-3.3 National Semiconductor

LM2575S-3.3

IC REG BUCK 3.3V 2A TO263-5L

National Semiconductor

1,116
RFQ
LM2575S-3.3 Datasheet

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Bulk Active Step-Down Positive Buck Fixed 1 - 40V 3.3V - 2A 150kHz No -40°C ~ 125°C (TJ) - - Surface Mount TO-263-5L
LTC1550LCS8-2#PBF Linear Technology

LTC1550LCS8-2#PBF

IC REG CHARGE PUMP -2V 20MA 8SO

Linear Technology

674
RFQ
LTC1550LCS8-2#PBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Step-Up/Step-Down Negative Charge Pump Fixed 1 2.7V 5.5V -2V - 20mA 900kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SO
LTC1503CS8-2#PBF Linear Technology

LTC1503CS8-2#PBF

IC REG CHARGE PUMP 2V 100MA 8SO

Linear Technology

338
RFQ
LTC1503CS8-2#PBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Step-Down Positive Charge Pump Fixed 1 2.4V 6V 2V - 100mA 600kHz No -40°C ~ 85°C (TA) - - Surface Mount 8-SO
LTC1682CS8-3.3#PBF Linear Technology

LTC1682CS8-3.3#PBF

IC REG CHARGE PUMP 3.3V 50MA 8SO

Linear Technology

300
RFQ
LTC1682CS8-3.3#PBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Step-Up/Step-Down Positive Charge Pump Fixed 1 1.8V 4.4V 3.3V - 50mA 550kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SO
LTC1682CS8#PBF Linear Technology

LTC1682CS8#PBF

IC REG CHARGE PUMP ADJ 50MA 8SO

Linear Technology

250
RFQ
LTC1682CS8#PBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Step-Up/Step-Down Positive Charge Pump Adjustable 1 1.8V 4.4V 2.5V 5.5V 50mA 550kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SO
LTC3448EDD#PBF Linear Technology

LTC3448EDD#PBF

IC REG BUCK ADJ 600MA 8DFN

Linear Technology

242
RFQ
LTC3448EDD#PBF Datasheet

Datasheet

- 8-WFDFN Exposed Pad Bulk Active Step-Down Positive Buck Adjustable 1 2.5V 5.5V 0.6V 5.2V 600mA 1.5MHz ~ 2.25MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 8-DFN (3x3)
LTC1522CS8#TRPBF Linear Technology

LTC1522CS8#TRPBF

IC REG CHARGE PUMP 5V 20MA 8SO

Linear Technology

5,000
RFQ
LTC1522CS8#TRPBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Step-Up Positive Charge Pump Fixed 1 2.7V 5V 5V - 20mA 700kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SO
LTC1502CS8-3.3#PBF Linear Technology

LTC1502CS8-3.3#PBF

IC REG CHARGE PUMP 3.3V 10MA 8SO

Linear Technology

800
RFQ
LTC1502CS8-3.3#PBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Step-Up Positive Charge Pump Fixed 1 0.9V 1.8V 3.3V - 10mA 500kHz No 0°C ~ 70°C (TA) - - Surface Mount 8-SO
LTC1522CS8#PBF Linear Technology

LTC1522CS8#PBF

IC REG CHARGE PUMP 5V 20MA 8SO

Linear Technology

200
RFQ
LTC1522CS8#PBF Datasheet

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Obsolete Step-Up/Step-Down Positive Charge Pump Fixed 1 2.7V 5V 5V - 20mA 700kHz No 0°C ~ 70°C - - Surface Mount 8-SO
LTC3203EDD-1#PBF Linear Technology

LTC3203EDD-1#PBF

IC REG CHARGE PUMP 4.5V/5V 10DFN

Linear Technology

121
RFQ
LTC3203EDD-1#PBF Datasheet

Datasheet

- 10-WFDFN Exposed Pad Bulk Obsolete Step-Up Positive Charge Pump Fixed 1 2.7V 5.5V 4.5V, 5V 5V 500mA 900kHz, 1MHz No -40°C ~ 85°C - - Surface Mount 10-DFN (3x3)
LM26400YMH/NOPB National Semiconductor

LM26400YMH/NOPB

IC REG BUCK ADJ 2A DL 16HTSSOP

National Semiconductor

497
RFQ
LM26400YMH/NOPB Datasheet

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Step-Down Positive Buck Adjustable 2 3V 20V 0.6V 16V 2A 520kHz No -40°C ~ 125°C (TJ) - - Surface Mount 16-HTSSOP
LTC3440EDD Linear Technology

LTC3440EDD

IC REG BUCK BST ADJ 600MA 10DFN

Linear Technology

745
RFQ
LTC3440EDD Datasheet

Datasheet

- 10-WFDFN Exposed Pad Bulk Active Step-Up, Step-Down Positive Buck-Boost Adjustable 1 2.5V 5.5V 2.5V 5.5V 600mA 300kHz ~ 2MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 10-DFN (3x3)
MAX8640ZELT12+ Analog Devices Inc./Maxim Integrated

MAX8640ZELT12+

IC REG BUCK 1.2V 500MA 6UDFN

Analog Devices Inc./Maxim Integrated

31,666
RFQ
MAX8640ZELT12+ Datasheet

Datasheet

- 6-WFDFN Bulk Active Step-Down Positive Buck Fixed 1 2.7V 5.5V 1.2V - 500mA 3.6MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 6-µDFN (1.5x1)
MAX8640YELT12+ Analog Devices Inc./Maxim Integrated

MAX8640YELT12+

IC REG BUCK 1.2V 500MA 6UDFN

Analog Devices Inc./Maxim Integrated

8,712
RFQ
MAX8640YELT12+ Datasheet

Datasheet

- 6-WFDFN Bulk Active Step-Down Positive Buck Fixed 1 2.7V 5.5V 1.2V - 500mA 1.8MHz Yes -40°C ~ 85°C (TA) - - Surface Mount 6-µDFN (1.5x1)
LM2599S-ADJ/NOPB National Semiconductor

LM2599S-ADJ/NOPB

IC REG BUCK ADJ 3A TO263

National Semiconductor

6,847
RFQ
LM2599S-ADJ/NOPB Datasheet

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Bulk Active Step-Down Positive Buck Adjustable 1 4.5V 40V 1.23V 37V 3A 150kHz No -40°C ~ 125°C (TJ) - - Surface Mount TO-263 (DDPAK-7)
LM2599S-5.0/NOPB National Semiconductor

LM2599S-5.0/NOPB

IC REG BUCK 5V 3A TO263

National Semiconductor

496
RFQ
LM2599S-5.0/NOPB Datasheet

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Bulk Active Step-Down Positive Buck Fixed 1 4.5V 40V 5V - 3A 150kHz No -40°C ~ 125°C (TJ) - - Surface Mount TO-263 (DDPAK-7)
LTC3619BEMSE#PBF Linear Technology

LTC3619BEMSE#PBF

IC REG BUCK ADJ DL 10MSOP

Linear Technology

700
RFQ
LTC3619BEMSE#PBF Datasheet

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Bulk Active Step-Down Positive Buck Adjustable 2 2.5V 5.5V 0.6V 5V 400mA, 800mA 2.25MHz Yes -40°C ~ 125°C (TJ) - - Surface Mount 10-MSOP-EP
LM2593HVSX-3.3/NOPB National Semiconductor

LM2593HVSX-3.3/NOPB

IC REG BUCK 3.3V 2A TO263

National Semiconductor

16,000
RFQ
LM2593HVSX-3.3/NOPB Datasheet

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Bulk Active Step-Down Positive Buck Fixed 1 4.5V 60V 3.3V - 2A 150kHz No -40°C ~ 125°C (TJ) - - Surface Mount TO-263 (DDPAK-7)
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Voltage Regulators - DC DC Switching Regulators 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 Voltage Regulators - DC DC Switching Regulators 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 Voltage Regulators - DC DC Switching Regulators 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.

Voltage Regulators - DC DC Switching Regulators FAQ

Can FPGAX source both active and end-of-life Voltage Regulators - DC DC Switching Regulators 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 Voltage Regulators - DC DC Switching Regulators 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.