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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
MP2136EG-LF-P

MP2136EG-LF-P

IC REG BUCK ADJ 1A 6QFN

Monolithic Power Systems Inc.

916
MP2136EG-LF-P

Datasheet

- 6-VDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 2.5V Buck 6V 0.6V 6V 1A 2MHz - Yes - -20°C ~ 85°C (TA) Surface Mount 6-QFN (2x2)
MAX77827BEWC+T

MAX77827BEWC+T

IC REG BUCK BOOST ADJ 1.8A 12WLP

Analog Devices Inc./Maxim Integrated

265
MAX77827BEWC+T

Datasheet

- 12-WFBGA, WLBGA Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.6V Buck-Boost 5.5V 2.3V 5.3V 1.8A (Switch) 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 12-WLP (1.61x2.01)
MIC22405YML-TR

MIC22405YML-TR

IC REG BUCK ADJ 4A 20MLF

Microchip Technology

4,475
MIC22405YML-TR

Datasheet

- 20-VFQFN Exposed Pad, 20-MLF® Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.9V Buck 5.5V 0.7V 5.5V 4A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-MLF® (3x4)
ISL80019IRZ-T

ISL80019IRZ-T

IC REG BUCK ADJ 1.5A 8TDFN

Renesas Electronics Corporation

2,996
ISL80019IRZ-T

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.5V 1.5A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-TDFN-EP (2x2)
LM34919CQSD/NOPB

LM34919CQSD/NOPB

IC REG BUCK ADJ 600MA 12WSON

Texas Instruments

1,981
LM34919CQSD/NOPB

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 50V 2.5V 45V 600mA 2.6MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 12-WSON (4x4)
AOZ2366QI-04

AOZ2366QI-04

IC REG BUCK ADJ 22A 28QFN

Alpha & Omega Semiconductor Inc.

2,677
AOZ2366QI-04

Datasheet

- 28-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 28V 0.6V 23.8V 22A 32kHz ~ 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-QFN (5x5)
MP2357DT-LF-Z

MP2357DT-LF-Z

IC REG BUCK ADJ 500MA SOT23-6

Monolithic Power Systems Inc.

23,495
MP2357DT-LF-Z

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
AOZ2367QI-11

AOZ2367QI-11

IC REG BUCK ADJ 20A 28QFN

Alpha & Omega Semiconductor Inc.

9,846
AOZ2367QI-11

Datasheet

EZBuck™ 28-PowerTFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 24V 0.6V 20.4V 20A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-QFN (5x5)
LM2840XMK-ADJL/NOPB

LM2840XMK-ADJL/NOPB

IC REG BUCK ADJ 100MA TSOT23-6

Texas Instruments

1,491
LM2840XMK-ADJL/NOPB

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.765V 34V 100mA 550kHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
MP2161GJ-P

MP2161GJ-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

500
MP2161GJ-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 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 TSOT-23-8
LM5019MR/NOPB

LM5019MR/NOPB

IC REG BUCK ADJ 100MA 8SOPWR

Texas Instruments

426
LM5019MR/NOPB

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 7.5V Buck 100V 1.225V 90V 100mA Adj to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
TPS54295RSAT

TPS54295RSAT

IC REG BUCK ADJ 2A DL 16QFN

Texas Instruments

475
TPS54295RSAT

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 2A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
A6984TR

A6984TR

IC REG BUCK 3.3V 400MA 10VFDFPN

STMicroelectronics

3,986
A6984TR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 36V 3.3V - 400mA 250kHz ~ 600kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 10-VFDFPN (4x4)
LMR36015SC3QRNXTQ1

LMR36015SC3QRNXTQ1

IC REG BUCK 3.3V 1.5A 12VQFN

Texas Instruments

945
LMR36015SC3QRNXTQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.2V Buck 60V 3.3V - 1.5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
LM2576TV-5G

LM2576TV-5G

IC REG BUCK 5V 3A TO220-5

onsemi

150
LM2576TV-5G

Datasheet

- TO-220-5 Formed Leads Tube Active Step-Down Positive or Negative Fixed 1 7V Buck 40V 5V - 3A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM5008ASDX/NOPB

LM5008ASDX/NOPB

IC REG BUCK ADJ 350MA 8WSON

Texas Instruments

7,300
LM5008ASDX/NOPB

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6V Buck 95V 2.5V 75V 350mA 50kHz ~ 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
LM34919TLX/NOPB

LM34919TLX/NOPB

IC REG BUCK ADJ 600MA 10DSBGA

Texas Instruments

5,795
LM34919TLX/NOPB

Datasheet

- 10-WFBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 40V 2.5V 35V 600mA 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DSBGA
TPS54424RNVT

TPS54424RNVT

IC REG BUCK ADJ 4A 18VQFN

Texas Instruments

3,432
TPS54424RNVT

Datasheet

SWIFT™ 18-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.6V 12V 4A 200kHz ~ 1.6MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 18-VQFN-HR (3.5x3.5)
LM20125MHX/NOPB

LM20125MHX/NOPB

IC REG BUCK ADJ 5A 16HTSSOP

Texas Instruments

2,793
LM20125MHX/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 5A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
MP2317GJ-Z

MP2317GJ-Z

IC REG BUCK PROG 1A TSOT23-6

Monolithic Power Systems Inc.

2,434
MP2317GJ-Z

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Programmable 1 7.5V Buck 26V 3.3V 24V 1A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
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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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