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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
LTC7891RUFDM#PBF

LTC7891RUFDM#PBF

IC REG BUCK

Analog Devices Inc.

375
LTC7891RUFDM#PBF

Datasheet

- - Tube Active - - - - - - - - - - - - - - - - -
MAX17573ATG+

MAX17573ATG+

IC REG BUCK ADJ 3.5A 24TQFN

Analog Devices Inc./Maxim Integrated

480
MAX17573ATG+

Datasheet

- 24-WFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 3.5A 500kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 24-TQFN (4x5)
UCD7242RSJT

UCD7242RSJT

IC REG BUCK 10A DL 32VQFN

Texas Instruments

663
UCD7242RSJT

Datasheet

- 32-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive - 2 4.75V Buck 18V - - 10A 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-VQFN-HR (6x6)
LM2593HVSX-5.0/NOPB

LM2593HVSX-5.0/NOPB

IC REG BUCK 5V 2A TO263

Texas Instruments

2,104
LM2593HVSX-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 60V 5V - 2A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LM2593HVT-ADJ/NOPB

LM2593HVT-ADJ/NOPB

IC REG BUCK ADJ 2A TO220-7

Texas Instruments

116
LM2593HVT-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-7 Formed Leads Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1.2V 57V 2A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-7
MAX20457ATIF/VY+

MAX20457ATIF/VY+

IC REG BUCK 1V/1V DL 28TQFN

Analog Devices Inc./Maxim Integrated

107
MAX20457ATIF/VY+

Datasheet

- 28-WFQFN Exposed Pad Tray Active Step-Down Positive Fixed 2 3.5V Buck 36V 1V (3.3V), 1V (5V) 14V, 14V - 2.1MHz - Yes - -40°C ~ 125°C Surface Mount, Wettable Flank 28-TQFN (5x5)
LM2576HVT-15/NOPB

LM2576HVT-15/NOPB

IC REG BUCK 15V 3A TO220-5

Texas Instruments

309
LM2576HVT-15/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Tube Active Step-Down Positive Fixed 1 4V Buck 60V 15V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2576HVT-ADJ/LF03

LM2576HVT-ADJ/LF03

IC REG BUCK ADJ 3A TO220-5

Texas Instruments

256
LM2576HVT-ADJ/LF03

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Adjustable 1 4V Buck 60V 1.23V 57V 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2576HVT-12/NOPB

LM2576HVT-12/NOPB

IC REG BUCK 12V 3A TO220-5

Texas Instruments

250
LM2576HVT-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Tube Active Step-Down Positive Fixed 1 4V Buck 60V 12V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
TPS6735IDR

TPS6735IDR

IC REG BUCK -5V 200MA 8SOIC

Texas Instruments

8,386
TPS6735IDR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up, Step-Down Negative Fixed 1 4V Buck 6.2V -5V - 200mA 160kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LT3495BEDDB-1#TRMPBF

LT3495BEDDB-1#TRMPBF

IC REG BST SEPIC ADJ 275MA 10DFN

Analog Devices Inc.

4,257
LT3495BEDDB-1#TRMPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.5V Boost, SEPIC 16V 2.5V 40V (Switch) 275mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
LT3495EDDB-1#TRMPBF

LT3495EDDB-1#TRMPBF

IC REG BST SEPIC ADJ 275MA 10DFN

Analog Devices Inc.

1,683
LT3495EDDB-1#TRMPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.5V Boost, SEPIC 16V 2.5V 40V (Switch) 275mA (Switch) - - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
LTC3526BEDC#TRMPBF

LTC3526BEDC#TRMPBF

IC REG BOOST ADJ 500MA 6DFN

Analog Devices Inc.

254
LTC3526BEDC#TRMPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1V Boost 5.25V 1.6V 5.25V 500mA (Switch) 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x2)
MAX17542GATB+T

MAX17542GATB+T

IC REG BUCK ADJ 1A 10TDFN

Analog Devices Inc./Maxim Integrated

7,416
MAX17542GATB+T

Datasheet

Himalaya 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.9V 38.64V 1A 600kHz - No - -40°C ~ 125°C (TA) Surface Mount 10-TDFN (3x2)
LM2678S-5.0/NOPB

LM2678S-5.0/NOPB

IC REG BUCK 5V 5A TO263

Texas Instruments

1,748
LM2678S-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 8V Buck 40V 5V - 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LM2678SD-5.0/NOPB

LM2678SD-5.0/NOPB

IC REG BUCK 5V 5A 14VSON

Texas Instruments

1,140
LM2678SD-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 14-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 8V Buck 40V 5V - 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-VSON (5x6)
LM2678S-3.3/NOPB

LM2678S-3.3/NOPB

IC REG BUCK 3.3V 5A TO263

Texas Instruments

145
LM2678S-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 8V Buck 40V 3.3V - 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LM2596S-3.3/NOPB

LM2596S-3.3/NOPB

IC REG BUCK 3.3V 3A TO263

Texas Instruments

1,610
LM2596S-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 3A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LTC3561AEDD#PBF

LTC3561AEDD#PBF

IC REG BUCK ADJ 1A 8DFN

Analog Devices Inc.

1,386
LTC3561AEDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.8V 5V 1A 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LT1946EMS8#PBF

LT1946EMS8#PBF

IC REG BOOST ADJ 1.5A 8MSOP

Analog Devices Inc.

157
LT1946EMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable 1 2.45V Boost 16V 2.45V 34V 1.5A (Switch) 1.2MHz - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP
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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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