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Voltage Regulators - DC DC Switching Regulators

Manufacturer Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device 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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Part Status Function Output Configuration Output Type Number of Outputs Voltage - Input (Min) Topology Voltage - Input (Max) Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Frequency - Switching Qualification Synchronous Rectifier Grade Operating Temperature Mounting Style Supplier Device Package
LT3970IMS#PBF

LT3970IMS#PBF

IC REG BUCK ADJ 350MA 10MSOP

Analog Devices Inc.

330
LT3970IMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 4.2V Buck 40V 1.21V 25V 350mA 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
TPS544C20RVFR

TPS544C20RVFR

IC REG BUCK ADJ 30A 40LQFN

Texas Instruments

7,217
TPS544C20RVFR

Datasheet

SWIFT™, D-CAP™, D-CAP2™ 40-PowerLFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 5.5V 30A 250kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-LQFN-CLIP (7x5)
TPS54260MDRCTEP

TPS54260MDRCTEP

IC REG BUCK ADJ 2.5A 10VSON

Texas Instruments

831
TPS54260MDRCTEP

Datasheet

Eco-Mode™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 60V 0.8V 60V 2.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
TPS54260MDGQTEP

TPS54260MDGQTEP

IC REG BUCK ADJ 2.5A 10HVSSOP

Texas Instruments

330
TPS54260MDGQTEP

Datasheet

Eco-Mode™ 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 60V 0.8V 60V 2.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-HVSSOP
LTC3527EUD#PBF

LTC3527EUD#PBF

IC REG BOOST ADJ DL 16QFN

Analog Devices Inc.

248
LTC3527EUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Up Positive Adjustable 2 0.88V Boost 5V 1.6V 5.25V 400mA (Switch), 800mA (Switch) 1.2MHz, 2.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (3x3)
TPS55340MRTETEP

TPS55340MRTETEP

IC REG BOOST ADJ 5.25A 16WQFN

Texas Instruments

832
TPS55340MRTETEP

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive, Isolation Capable Adjustable 1 2.9V Boost 32V 2.9V 38V 5.25A (Switch) 94kHz ~ 1.14MHz - No - -55°C ~ 125°C (TA) Surface Mount 16-WQFN (3x3)
LT3681EDE#PBF

LT3681EDE#PBF

IC REG BUCK ADJ 2A 14DFN

Analog Devices Inc.

2,806
LT3681EDE#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 34V 1.265V 20V 2A 300kHz ~ 2.8MHz - No - -40°C ~ 85°C (TA) Surface Mount 14-DFN (4x3)
MAX1951AESA+

MAX1951AESA+

IC REG BUCK ADJ 2A 8SOIC

Analog Devices Inc./Maxim Integrated

116
MAX1951AESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 2.6V Buck 5.5V 0.8V 5.5V 2A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MAX1675EUA+T

MAX1675EUA+T

IC REG BOOST ADJ 360MA 8UMAX

Analog Devices Inc./Maxim Integrated

3,295
MAX1675EUA+T

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable (Programmable) 1 0.7V Boost 5.5V 2V (3.3V, 5V) 5.5V 360mA (Switch) Up to 500Hz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-uMAX/uSOP
LT3999HMSE#PBF

LT3999HMSE#PBF

IC REG PUSH-PULL ADJ 1A 10MSOP

Analog Devices Inc.

573
LT3999HMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive, Isolation Capable Adjustable 1 2.7V Push-Pull 36V - - 1A 50kHz ~ 1MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LTC3601IUD#PBF

LTC3601IUD#PBF

IC REG BUCK ADJ 1.5A 16QFN

Analog Devices Inc.

357
LTC3601IUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 15V 0.6V 14.52V 1.5A 2MHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
MAX20812AFH+T

MAX20812AFH+T

IC REG BCK ADJ 6A/6A DL 21FC2QFN

Analog Devices Inc./Maxim Integrated

2,300
MAX20812AFH+T

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.7V Buck 16V 0.5V 5.8V 6A, 6A 500kHz ~ 3MHz - No - -40°C ~ 125°C (TA) Surface Mount 21-FC2QFN (3.5x4.6)
LTC3122IDE#PBF

LTC3122IDE#PBF

IC REG BOOST ADJ 2.5A 12DFN

Analog Devices Inc.

614
LTC3122IDE#PBF

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2.2V 15V 2.5A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-DFN (4x3)
LTC3122IMSE#PBF

LTC3122IMSE#PBF

IC REG BOOST ADJ 2.5A 12MSOP

Analog Devices Inc.

262
LTC3122IMSE#PBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2.2V 15V 2.5A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
LTC3130IMSE-1#PBF

LTC3130IMSE-1#PBF

IC REG BCK BST PROG 600MA 16MSOP

Analog Devices Inc.

1,131
LTC3130IMSE-1#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Programmable 1 2.4V Buck-Boost 25V 1.8V, 3.3V, 5V, 12V - 600mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8610ACEMSE-1#PBF

LT8610ACEMSE-1#PBF

IC REG BUCK ADJ 3.5A 16MSOP

Analog Devices Inc.

405
LT8610ACEMSE-1#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.8V 42V 3.5A 1.5MHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3440EMS#TRPBF

LTC3440EMS#TRPBF

IC REG BUCK BST ADJ 600MA 10MSOP

Analog Devices Inc.

11,787
LTC3440EMS#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 5.5V 2.5V 5.5V 600mA 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-MSOP
LT8330IS6#TRMPBF

LT8330IS6#TRMPBF

IC REG BST SEPIC ADJ 1A TSOT23-6

Analog Devices Inc.

8,826
LT8330IS6#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Boost, SEPIC 40V 1.6V, -0.8V 60V (Switch) 1A 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
LTC3530EMS#TRPBF

LTC3530EMS#TRPBF

IC REG BUCK BST ADJ 600MA 10MSOP

Analog Devices Inc.

6,565
LTC3530EMS#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.8V 5.25V 600mA 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-MSOP
LTC3530EDD#TRPBF

LTC3530EDD#TRPBF

IC REG BUCK BST ADJ 600MA 10DFN

Analog Devices Inc.

5,580
LTC3530EDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.8V 5.25V 600mA 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
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Voltage Regulators - DC-DC Switching Regulators Overview

DC-DC Switching Regulators, also known as DC-DC converters, are essential components in modern power management systems. Unlike linear regulators that dissipate excess energy as heat, switching regulators use high-frequency switching elements and energy storage components (inductors, capacitors) to efficiently step up, step down, or invert voltage levels. This design enables conversion efficiency levels of 80–95% or higher, making them indispensable for portable electronics, industrial automation, automotive systems, and communication equipment.

Key Advantages

High Efficiency: By minimizing energy loss, DC-DC switching regulators extend battery life in mobile devices and reduce overall power consumption in embedded systems.
Flexibility: Available in buck (step-down), boost (step-up), buck-boost, and inverting topologies, they provide engineers with versatile solutions for a wide range of voltage conversion needs.
Compact Size: With the integration of control circuitry and optimized packaging, regulators are now available in ultra-small footprints such as QFN and TSSOP, enabling compact PCB designs.
Thermal Performance: Efficient energy transfer reduces heat generation, which is critical in high-density boards and automotive ECUs.

Typical Applications

Consumer Electronics: Smartphones, tablets, wearables, and gaming devices rely on DC-DC converters for stable operation of processors, memory, and RF modules.
Industrial Equipment: Used in factory automation, robotics, and sensor networks where stable power is critical.
Automotive Systems: Powertrain control modules, infotainment units, and ADAS (Advanced Driver Assistance Systems) require efficient DC-DC conversion to meet stringent performance and reliability standards.
Telecommunication & Networking: Routers, base stations, and IoT gateways integrate switching regulators to ensure consistent power delivery under variable loads.

Features to Consider

When selecting a DC-DC switching regulator, engineers should evaluate:
Input voltage range and output voltage accuracy
Maximum output current capability
Efficiency curves under various load conditions
Switching frequency and EMI performance
Package type and thermal dissipation
Compliance with RoHS/REACH and automotive AEC-Q100 standards

Inventory and Availability

At OEMSTOCK.COM, we maintain a broad selection of Voltage Regulators – DC-DC Switching Regulators from leading manufacturers such as Texas Instruments, Analog Devices, Nuvoton, and Nisshinbo Micro Devices. Products are available in multiple packages and stocked in significant quantities to support both prototype development and large-scale production. Our global sourcing network ensures competitive pricing and reliable lead times, while our RFQ system allows engineers and procurement teams to request customized quotations instantly.
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