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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
NX9548ILQ-TR

NX9548ILQ-TR

IC REG BUCK ADJ 7A 32VQFN

Microchip Technology

2,424
NX9548ILQ-TR

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 20V 0.75V 5V 7A 200kHz ~ 1MHz - Both - -40°C ~ 125°C (TJ) Surface Mount 32-VQFN (5x5)
TPS54526RSAT

TPS54526RSAT

IC REG BUCK ADJ 5.5A 16QFN

Texas Instruments

663
TPS54526RSAT

Datasheet

D-CAP2™, Eco-Mode™ 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 5.5V 5.5A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
MPQ2177GQHE-Z

MPQ2177GQHE-Z

IC REG BUCK ADJ 1A 8QFN

Monolithic Power Systems Inc.

4,995
MPQ2177GQHE-Z

Datasheet

- 8-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5V 1A 2.4MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 8-QFN (2x1.5)
MP1494DJ-LF-P

MP1494DJ-LF-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

3,513
MP1494DJ-LF-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 16V 0.8V 13V 2A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
BD9S200MUF-CE2

BD9S200MUF-CE2

IC REG BUCK ADJ 2A 16VQFN

Rohm Semiconductor

2,528
BD9S200MUF-CE2

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 4.4V 2A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount VQFN016V3030
BM2P0362-Z

BM2P0362-Z

IC REG FLYBACK 650A 7DIP

Rohm Semiconductor

2,000
BM2P0362-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 8.9V Flyback 26V - - 650µA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIP
TPS6213013AQRGTTQ1

TPS6213013AQRGTTQ1

IC REG BUCK 1.3V 3A 16VQFN

Texas Instruments

473
TPS6213013AQRGTTQ1

Datasheet

DCS-Control™ 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 17V 1.3V - 3A 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-VQFN (3x3)
MPQ2172GJ-P

MPQ2172GJ-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

994
MPQ2172GJ-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5V 2A 2.6MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount TSOT-23-8
BM2P161W-Z

BM2P161W-Z

IC REG BUCK 1.5MA 7DIP

Rohm Semiconductor

5,926
BM2P161W-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 8V Buck 18.16V - - 1.5mA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIP
TPS54395RSAT

TPS54395RSAT

IC REG BUCK ADJ 3A DL 16QFN

Texas Instruments

496
TPS54395RSAT

Datasheet

D-CAP2™, Eco-Mode™ 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
LM20144MHE/NOPB

LM20144MHE/NOPB

IC REG BUCK ADJ 4A 16HTSSOP

Texas Instruments

172
LM20144MHE/NOPB

Datasheet

PowerWise® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 5.5V 0.8V 4.68V 4A 500kHz ~ 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
A81805KESJSR-1

A81805KESJSR-1

IC REG BUCK 5V 2.5A 20QFN

Allegro MicroSystems

5,940
A81805KESJSR-1

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.5V Buck 36V 5V - 2.5A 400kHz ~ 2.5MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 20-QFN (4x4)
LM2576T-3.3/LF03

LM2576T-3.3/LF03

IC REG BUCK 3.3V 3A TO220-5

Texas Instruments

175
LM2576T-3.3/LF03

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4V Buck 40V 3.3V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
MP2105DJ-LF-Z

MP2105DJ-LF-Z

IC REG BUCK ADJ 800MA TSOT23-5

Monolithic Power Systems Inc.

2,999
MP2105DJ-LF-Z

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 2.5V Buck 6V 0.6V 6V 800mA 1.05MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
BD9G201UEFJ-ME2

BD9G201UEFJ-ME2

IC REG BUCK ADJ 1.5A 8HTSOP

Rohm Semiconductor

2,496
BD9G201UEFJ-ME2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 4.5V 0.8V 0.8V 1.5A 300kHz AEC-Q100 No Automotive -40°C ~ 105°C (TA) Surface Mount 8-HTSOP-JES
MP2357DT-LF-P

MP2357DT-LF-P

IC REG BUCK ADJ 500MA SOT23-6

Monolithic Power Systems Inc.

937
MP2357DT-LF-P

Datasheet

- SOT-23-6 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 24V 0.81V 15V 500mA 1.4MHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-6
A81805KESJSR

A81805KESJSR

IC REG BUCK 3.3V 2.5A 20QFN

Allegro MicroSystems

12,000
A81805KESJSR

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.5V Buck 36V 3.3V - 2.5A 400kHz ~ 2.5MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 20-QFN (4x4)
TPS568215OARNNR

TPS568215OARNNR

IC REG BUCK ADJ/0.6V 8A 18VQFN

Texas Instruments

11,940
TPS568215OARNNR

Datasheet

SWIFT™ 18-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 1 4.5V Buck 17V 0.6V 5.5V 8A Up to 1.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 18-VQFN-HR (3.5x3.5)
TPS65252RHDR

TPS65252RHDR

IC REG BUCK ADJ 3A/2A DL 28VQFN

Texas Instruments

1,087
TPS65252RHDR

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 16V 0.8V 15V 3A, 2A 300kHz ~ 2.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-VQFN (5x5)
ADP2108ACBZ-2.5-R7

ADP2108ACBZ-2.5-R7

IC REG BUCK 2.5V 600MA 5WLCSP

Analog Devices Inc.

3,056
ADP2108ACBZ-2.5-R7

Datasheet

- 5-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 2.5V - 600mA 3MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 5-WLCSP (1.02x1.45)
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Frequently Asked Questions

Voltage Regulators - DC DC Switching Regulators Overview

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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