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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
TPS54335-2ADRCR

TPS54335-2ADRCR

IC REG BUCK ADJ 3A 10VSON

Texas Instruments

5,504
TPS54335-2ADRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 28V 0.8V 24V 3A 50kHz ~ 1.5MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
S-8580AA-A6T8U7

S-8580AA-A6T8U7

IC REG BUCK ADJ 600MA HSNT-6

ABLIC Inc.

4,265
S-8580AA-A6T8U7

Datasheet

S-8580AA 6-SMD, Flat Leads Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 36V 2.5V 12V 600mA 2.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount HSNT-6
XC9142B33CMR-G

XC9142B33CMR-G

IC REG BOOST 3.3V 800MA SOT25-5

Torex Semiconductor Ltd

16,869
XC9142B33CMR-G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.65V Boost 6V 3.3V - 800mA 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-25-5
ST1S40IDR

ST1S40IDR

IC REG BUCK ADJ 3A 8SOIC

STMicroelectronics

10,133
ST1S40IDR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 0.8V 18V 3A 850kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC
XC9142B50CMR-G

XC9142B50CMR-G

IC REG BOOST 5V 800MA SOT25-5

Torex Semiconductor Ltd

8,464
XC9142B50CMR-G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.65V Boost 6V 5V - 800mA 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-25-5
XC9141B50CMR-G

XC9141B50CMR-G

IC REG BOOST 5V 800MA SOT25-5

Torex Semiconductor Ltd

8,182
XC9141B50CMR-G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.65V Boost 6V 5V - 800mA 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-25-5
XCM414B050D2-G

XCM414B050D2-G

IC REG BUCK 5V USP-8B10

Torex Semiconductor Ltd

3,862
XCM414B050D2-G

Datasheet

- 8-PowerXDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2V Buck 26V 5V - - - - No - -40°C ~ 85°C (TA) Surface Mount USP-8B10
TL497ACN

TL497ACN

IC REG BUCK BST ADJ 500MA 14PDIP

Texas Instruments

287
TL497ACN

Datasheet

- 14-DIP (0.300", 7.62mm) Bulk Active Step-Up, Step-Down Positive or Negative Adjustable 1 4.5V Buck, Boost 12V ±1.2V 30V, -25V 500mA (Switch) - - No - 0°C ~ 70°C (TA) Through Hole 14-PDIP
TPS628503QDRLRQ1

TPS628503QDRLRQ1

IC REG BUCK ADJ 3A SOT583

Texas Instruments

7,595
TPS628503QDRLRQ1

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.6V 5.5V 3A 1.8MHz ~ 4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount SOT-583
LM5168PDDAR

LM5168PDDAR

IC REG BUCK ADJ 300MA 8SOPWR

Texas Instruments

2,430
LM5168PDDAR

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 120V 1.2V 120V 300mA 100kHz ~ 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
AP64102SP-13

AP64102SP-13

IC REG BUCK ADJ 1A 8SO

Diodes Incorporated

1,843
AP64102SP-13

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 40V 0.8V 40V 1A 100kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 85°C (TA) Surface Mount 8-SO-EP
ST1S41PHR

ST1S41PHR

IC REG BUCK ADJ 4A 8HSOP

STMicroelectronics

9,421
ST1S41PHR

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 0.8V 18V 4A 850kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 8-HSOP
TPS62745DSST

TPS62745DSST

IC REG BUCK PROG 300MA 12WSON

Texas Instruments

7,861
TPS62745DSST

Datasheet

DCS-Control™ 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable 1 3.3V Buck 10V 1.8V 3.3V 300mA Up to 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-WSON (2x3)
TPS62865RQYR

TPS62865RQYR

IC REG BUCK ADJ 4A 9VQFN

Texas Instruments

5,668
TPS62865RQYR

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.6V 5.5V 4A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 9-VQFN-HR (1.5x2.5)
LMR33640DDDAR

LMR33640DDDAR

IC REG BUCK ADJ 4A 8SOPWR

Texas Instruments

4,530
LMR33640DDDAR

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 4A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LMR33640ADDAR

LMR33640ADDAR

IC REG BUCK ADJ 4A 8SOPWR

Texas Instruments

2,715
LMR33640ADDAR

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 4A 400kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
TPS62993QRYTRQ1

TPS62993QRYTRQ1

IC REG BUCK ADJ 3A 9VQFN

Texas Instruments

5,849
TPS62993QRYTRQ1

Datasheet

- 9-TFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 10V 0.4V 5.5V 3A 1MHz, 2.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 9-VQFN-HR (2.2x2)
TPS61085PWR

TPS61085PWR

IC REG BOOST ADJ 2A 8TSSOP

Texas Instruments

2,581
TPS61085PWR

Datasheet

- 8-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 6V 2.8V 18.5V 2A (Switch) 650kHz, 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-TSSOP
LMC7660IN/NOPB

LMC7660IN/NOPB

IC REG CHARGE PUMP 8PDIP

Texas Instruments

2,121
LMC7660IN/NOPB

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Negative Fixed 1 1.5V Charge Pump 10V -Vin - - 10kHz - No - - Through Hole 8-PDIP
TPS61240IDRVRQ1

TPS61240IDRVRQ1

IC REG BOOST 5V 500MA 6WSON

Texas Instruments

1,996
TPS61240IDRVRQ1

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.3V Boost 5.5V 5V - 500mA (Switch) 3.5MHz AEC-Q100 Yes Automotive -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
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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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