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
TPS61232DRCR

TPS61232DRCR

IC REG BOOST 5V 5A 10VSON

Texas Instruments

3,755
TPS61232DRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.3V Boost 5.5V 5V - 5A (Switch) 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-VSON (3x3)
TPS54418RTER

TPS54418RTER

IC REG BUCK ADJ 4A 16WQFN

Texas Instruments

2,722
TPS54418RTER

Datasheet

SWIFT™ 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 6V 0.803V 4.5V 4A 200kHz ~ 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-WQFN (3x3)
TPS56837RPAR

TPS56837RPAR

IC REG BUCK ADJ 8A 10VQFN

Texas Instruments

1,038
TPS56837RPAR

Datasheet

- 10-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 28V 13V 13V 8A 500kHz, 800kHz, 1.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VQFN-HR (3x3)
LM2733XMF/NOPB

LM2733XMF/NOPB

IC REG BOOST ADJ 1A SOT23-5

Texas Instruments

9,440
LM2733XMF/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.7V Boost 14V 2.7V 40V (Switch) 1A (Switch) 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
LM2733YMF/NOPB

LM2733YMF/NOPB

IC REG BOOST ADJ 1A SOT23-5

Texas Instruments

7,288
LM2733YMF/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.7V Boost 14V 2.7V 40V (Switch) 1A (Switch) 600kHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
TPS55340RTER

TPS55340RTER

IC REG BOOST ADJ 5.25A 16WQFN

Texas Instruments

6,825
TPS55340RTER

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 - -40°C ~ 125°C (TA) Surface Mount 16-WQFN (3x3)
TPS55340PWPR

TPS55340PWPR

IC REG BOOST ADJ 5.25A 14HTSSOP

Texas Instruments

5,616
TPS55340PWPR

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) 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 - -40°C ~ 125°C (TA) Surface Mount 14-HTSSOP
LMR14203XMKE/NOPB

LMR14203XMKE/NOPB

IC REG BUCK ADJ 300MA SOT23

Texas Instruments

2,074
LMR14203XMKE/NOPB

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.765V 34V 300mA 1.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR14203XMK/NOPB

LMR14203XMK/NOPB

IC REG BUCK ADJ 300MA SOT23

Texas Instruments

1,796
LMR14203XMK/NOPB

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.765V 34V 300mA 1.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
TS30042-M000QFNR

TS30042-M000QFNR

IC REG BUCK ADJ 2A 16QFN

Semtech Corporation

26,126
TS30042-M000QFNR

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 40V 0.9V 39V 2A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
TPS55330RTER

TPS55330RTER

IC REG BOOST FLYBACK ADJ 16WQFN

Texas Instruments

5,107
TPS55330RTER

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive, Isolation Capable Adjustable 1 2.9V Boost, Flyback, SEPIC 16V 2.9V 22V 5.25A (Switch) 94kHz ~ 1.14MHz - No - -40°C ~ 125°C (TA) Surface Mount 16-WQFN (3x3)
LMR38020FSDDAR

LMR38020FSDDAR

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

1,918
LMR38020FSDDAR

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 80V 1V 75V 2A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
LMR38020FDDAR

LMR38020FDDAR

IC REG BUCK ADJ 2A 8SOPWR

Texas Instruments

1,489
LMR38020FDDAR

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 80V 1V 75V 2A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
LM2621MM/NOPB

LM2621MM/NOPB

IC REG BST SEPIC ADJ 8VSSOP

Texas Instruments

979
LM2621MM/NOPB

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1.2V Boost, SEPIC 14V 1.24V 14V 2.85A (Switch) 300kHz ~ 2MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-VSSOP
L5970D013TR

L5970D013TR

IC REG BUCK ADJ 1A 8SOIC

STMicroelectronics

6,081
L5970D013TR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.4V Buck 36V 1.2V 35V 1A 250kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
TPS62090QRGTRQ1

TPS62090QRGTRQ1

IC REG BUCK ADJ 3A 16VQFN

Texas Instruments

11,465
TPS62090QRGTRQ1

Datasheet

DCS-Control™ 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 6V 0.8V 6V 3A 2.8MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-VQFN (3x3)
MIC2238-AAYML-TR

MIC2238-AAYML-TR

IC REG BUCK ADJ 800MA DL 12MLF

Microchip Technology

6,609
MIC2238-AAYML-TR

Datasheet

- 12-VFDFN Exposed Pad, 12-MLF® Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.8V 5.5V 800mA 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-MLF™ (4x4)
MIC2238-S4YML-TR

MIC2238-S4YML-TR

IC REG BUCK 1.2V/3.3V DL 12MLF

Microchip Technology

4,796
MIC2238-S4YML-TR

Datasheet

- 12-VFDFN Exposed Pad, 12-MLF® Tape & Reel (TR) Active Step-Down Positive Fixed 2 2.5V Buck 5.5V 1.2V, 3.3V - 800mA 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-MLF™ (4x4)
TPS54386PWPR

TPS54386PWPR

IC REG BUCK ADJ 3A DL 14HTSSOP

Texas Instruments

2,962
TPS54386PWPR

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 28V 0.8V 25.2V 3A 630kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
LM5163DDAR

LM5163DDAR

IC REG BUCK ADJ 500MA 8SOPWR

Texas Instruments

2,753
LM5163DDAR

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 100V 1.2V 100V 500mA 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
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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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