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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
TPS56C215RNNR

TPS56C215RNNR

IC REG BUCK ADJ 12A 18VQFN

Texas Instruments

5,133
TPS56C215RNNR

Datasheet

SWIFT™, D-CAP2™, Eco-Mode™ 18-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.6V 5.5V 12A 400kHz, 800kHz, 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 18-VQFN-HR (3.5x3.5)
L5987TR

L5987TR

IC REG BUCK ADJ 3A 8VFQFPN

STMicroelectronics

3,137
L5987TR

Datasheet

- 8-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.9V Buck 18V 0.6V 18V 3A 250kHz ~ 1MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-VFQFPN (3x3)
TPS56C231RNNR

TPS56C231RNNR

IC REG BUCK ADJ 12A 18VQFN

Texas Instruments

2,140
TPS56C231RNNR

Datasheet

- 18-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 17V 0.6V 5.5V 12A 400kHz, 800kHz, 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 18-VQFN-HR (3.5x3.5)
MPQ2459GJ-AEC1-Z

MPQ2459GJ-AEC1-Z

IC REG BUCK ADJ 500MA TSOT23-6

Monolithic Power Systems Inc.

7,388
MPQ2459GJ-AEC1-Z

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 55V 0.81V 52.25V 500mA 480kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
TPS62442QWRQRRQ1

TPS62442QWRQRRQ1

IC REG BUCK ADJ DL 14VQFN

Texas Instruments

1,273
TPS62442QWRQRRQ1

Datasheet

- 14-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.75V Buck 6V 0.6V 5.5V 1A, 2A, 2A, 3A 1.8MHz ~ 4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 14-VQFN-HR (2.3x2.7)
MIC33M356-SAYMP-TR

MIC33M356-SAYMP-TR

IC REG BUCK ADJ 3A 24QFN

Microchip Technology

800
MIC33M356-SAYMP-TR

Datasheet

- 24-PowerFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.6V 3.84V 3A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (3x4.5)
MIC24046YFL-TR

MIC24046YFL-TR

IC REG BUCK PROG 5A 20QFN

Microchip Technology

649
MIC24046YFL-TR

Datasheet

- 20-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Programmable 1 4.5V Buck 19V 0.7V 3.3V 5A 400kHz, 565kHz, 790kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x3)
TPS63000IDRCRQ1

TPS63000IDRCRQ1

IC REG BUCK BST ADJ 1.6A 10VSON

Texas Instruments

13,323
TPS63000IDRCRQ1

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.2V 5.5V 1.6A (Switch) 1.25MHz ~ 1.5MHz AEC-Q100 Yes Automotive -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
LMR36015BRNXT

LMR36015BRNXT

IC REG BUCK ADJ 1.5A 12VQFN

Texas Instruments

897
LMR36015BRNXT

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 60V 1V 60V 1.5A 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
LMR36015FBRNXT

LMR36015FBRNXT

IC REG BUCK ADJ 1.5A 12VQFN

Texas Instruments

646
LMR36015FBRNXT

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 60V 1V 60V 1.5A 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
BD70522GUL-E2

BD70522GUL-E2

IC REG BUCK ADJ 500MA VCSP50L1

Rohm Semiconductor

10,050
BD70522GUL-E2

Datasheet

- 9-UFBGA, CSPBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 1.2V 3.35V 500mA - - Yes - -40°C ~ 85°C Surface Mount VCSP50L1
L7983PU33R

L7983PU33R

IC REG BUCK 3.3V 300MA 10DFN

STMicroelectronics

7,600
L7983PU33R

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.5V Buck 60V 3.3V - 300mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-DFN (3x3)
TPS542941PWPR

TPS542941PWPR

IC REG BCK ADJ 2A/3A DL 16HTSSOP

Texas Instruments

4,292
TPS542941PWPR

Datasheet

D-CAP2™, Eco-Mode™ 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 18V 0.76V 7V 2A, 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-HTSSOP
TPS63027YFFR

TPS63027YFFR

IC REG BUCK BOOST 1V 2A 25DSBGA

Texas Instruments

832
TPS63027YFFR

Datasheet

- 25-UFBGA, DSBGA Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.3V Buck-Boost 5.5V 1V 5.5V 2A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 25-DSBGA
ST1PS02BQTR

ST1PS02BQTR

IC REG BUCK ADJ 400MA 12TQFN

STMicroelectronics

8,554
ST1PS02BQTR

Datasheet

- 12-UFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.8V Buck 5.5V 1.8V 2.5V 400mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-TQFN (1.7x2)
LMR12010XMKE/NOPB

LMR12010XMKE/NOPB

IC REG BUCK ADJ 1A SOT23

Texas Instruments

4,697
LMR12010XMKE/NOPB

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 20V 0.8V 17V 1A 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
L7987L

L7987L

IC REG BUCK ADJ 2A 16HTSSOP

STMicroelectronics

2,824
L7987L

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 61V 0.8V 61V 2A 250kHz ~ 1.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 16-HTSSOP
L6920DCTR

L6920DCTR

IC REG BST ADJ/1.8V 800MA 8MSOP

STMicroelectronics

38,038
L6920DCTR

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable (Fixed) 1 0.6V Boost 5.5V 1.8V (3.3V, 5V) 5.5V 800mA (Switch) - - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
MIC2145YMM-TR

MIC2145YMM-TR

IC REG BOOST FLYBACK ADJ 8MSOP

Microchip Technology

2,418
MIC2145YMM-TR

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.4V Boost, Flyback, SEPIC 16V 2.4V 16V 500mA 450kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
MP2162AGQHT-Z

MP2162AGQHT-Z

IC REG BUCK ADJ 2A 8TQFN

Monolithic Power Systems Inc.

7,456
MP2162AGQHT-Z

Datasheet

- 8-WFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 6V 0.6V 6V 2A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-TQFN (2x1.5)
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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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