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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
R1271L331B-TR

R1271L331B-TR

IC REG BUCK 3.3V 1A 12DFN

Nisshinbo Micro Devices Inc.

17,494
R1271L331B-TR

Datasheet

R1271x 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.6V Buck 30V 3.3V - 1A 2MHz - Yes - -40°C ~ 105°C (TA) Surface Mount DFN3030-12B
SC195ULTRT

SC195ULTRT

IC REG BUCK PROG 500MA 8MLPQ

Semtech Corporation

8,324
SC195ULTRT

Datasheet

- 8-UFQFN Tape & Reel (TR) Not For New Designs Step-Down Positive Programmable 1 2.9V Buck 5.5V 0.8V 3.3V 500mA 3.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MLPQ-UT (1.5x1.5)
LM25010MHX/NOPB

LM25010MHX/NOPB

IC REG BUCK ADJ 1A 14HTSSOP

Texas Instruments

5,843
LM25010MHX/NOPB

Datasheet

- 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 42V 2.5V 37V 1A 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
TPS56837HRPAR

TPS56837HRPAR

IC REG BUCK ADJ 8A 10VQFN

Texas Instruments

3,572
TPS56837HRPAR

Datasheet

- 10-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 28V 4V 22V 8A 500kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VQFN-HR (3x3)
TLF50211ELXUMA2

TLF50211ELXUMA2

IC REG BUCK 5V 500MA SSOP-14-3

Infineon Technologies

2,585
TLF50211ELXUMA2

Datasheet

- 14-LSSOP (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.75V Buck 45V 5V - 500mA 2.25MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount PG-SSOP-14-3
LMR14006YDDCT

LMR14006YDDCT

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

2,247
LMR14006YDDCT

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.765V 38.8V 600mA 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR14006XDDCT

LMR14006XDDCT

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

1,099
LMR14006XDDCT

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.765V 38.4V 600mA 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
MP4410GQ-Z

MP4410GQ-Z

IC REG BUCK ADJ 100MA 10QFN

Monolithic Power Systems Inc.

8,700
MP4410GQ-Z

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 1V 36V 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-QFN (3x3)
LMR33630CQRNXRQ1

LMR33630CQRNXRQ1

IC REG BUCK ADJ 3A 12VQFN

Texas Instruments

2,116
LMR33630CQRNXRQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
NCP1422MNR2G

NCP1422MNR2G

IC REG BOOST ADJ 1.5A 10DFN

onsemi

13,172
NCP1422MNR2G

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1V Boost 5V 1.5V 5V 1.5A (Switch) 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
LMR33620AQRNXTQ1

LMR33620AQRNXTQ1

IC REG BUCK ADJ 2A 12VQFN

Texas Instruments

3,995
LMR33620AQRNXTQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 2A 400kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
LMR33630BDDA

LMR33630BDDA

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

2,990
LMR33630BDDA

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 1.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LMR33630ADDA

LMR33630ADDA

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

1,580
LMR33630ADDA

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 400kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LMR33630BRNXT

LMR33630BRNXT

IC REG BUCK ADJ 3A 12VQFN

Texas Instruments

511
LMR33630BRNXT

Datasheet

SIMPLE SWITCHER® 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 1V 24V 3A 1.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
TPS62085RLTT

TPS62085RLTT

IC REG BUCK ADJ 3A 7VSON

Texas Instruments

8,092
TPS62085RLTT

Datasheet

DCS-Control™ 7-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 6V 0.8V 6V 3A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 7-VSON (2x2)
LM3578AN/NOPB

LM3578AN/NOPB

IC REG BUCK BOOST 750MA 8PDIP

Texas Instruments

1,555
LM3578AN/NOPB

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative - 1 2V Buck, Boost, Buck-Boost 40V - - 750mA (Switch) 20kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
TPS63700DRCT

TPS63700DRCT

IC REG BUCK BST ADJ 360MA 10VSON

Texas Instruments

1,224
TPS63700DRCT

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Negative Adjustable 1 2.7V Buck-Boost 5.5V -2V -15V 360mA 1.38MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
TPS62093RGTT

TPS62093RGTT

IC REG BUCK 1.8V 3A 16VQFN

Texas Instruments

5,169
TPS62093RGTT

Datasheet

DCS-Control™ 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 6V 1.8V - 3A 2.8MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-VQFN (3x3)
LM2735XSD/NOPB

LM2735XSD/NOPB

IC REG BST FLYBCK ADJ 2.1A 6WSON

Texas Instruments

1,130
LM2735XSD/NOPB

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.7V Boost, Flyback, SEPIC 5.5V 3V 24V 2.1A (Switch) 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount 6-WSON (3x3)
BD8316GWL-E2

BD8316GWL-E2

IC REG BUCK BST ADJ DL UCSP50L1

Rohm Semiconductor

823
BD8316GWL-E2

Datasheet

- 11-UFBGA, CSPBGA Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive and Negative (Dual Rail) Adjustable 2 2.5V Boost, Buck-Boost 5.5V 5.5V, -1V 18V, -9V 1A (Switch) 1.6MHz - No - -35°C ~ 85°C (TA) Surface Mount UCSP50L1
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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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