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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
MP2494DN-LF-Z

MP2494DN-LF-Z

IC REG BUCK ADJ 2A 8SOICE

Monolithic Power Systems Inc.

2,165
MP2494DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 55V 0.8V 45V 2A 100kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOICE
MP8860GQ-0000-P

MP8860GQ-0000-P

IC REG BUCK BOOST ADJ 1A 16QFN

Monolithic Power Systems Inc.

438
MP8860GQ-0000-P

Datasheet

- 16-PowerVFQFN Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.8V Buck-Boost 22V 1V 20.47V 1A 530kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
TPS6755ID

TPS6755ID

IC REG BUCK BST ADJ 270MA 8SOIC

Texas Instruments

201
TPS6755ID

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Step-Up/Step-Down Negative Adjustable 1 2.7V Buck-Boost 9V -1.22V -9.3V 270mA 160kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MPQ4420GJ-P

MPQ4420GJ-P

IC REG BUCK ADJ 2A TSOT23-8

Monolithic Power Systems Inc.

982
MPQ4420GJ-P

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 30V 0.8V 27V 2A 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
TPS55386PWP

TPS55386PWP

IC REG BUCK ADJ 3A DL 16HTSSOP

Texas Instruments

247
TPS55386PWP

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 2 4.5V Buck 28V 0.8V 25.2V 3A 630kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
ISL91127IRAZ-T7A

ISL91127IRAZ-T7A

IC REG BUCK BST ADJ/1V 2A 20QFN

Renesas Electronics Corporation

12,570
ISL91127IRAZ-T7A

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down Positive Adjustable (Fixed) 1 1.8V Buck-Boost 5.5V 1V 5.2V 2A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-QFN (4x4)
ISL91127IRNZ-T7A

ISL91127IRNZ-T7A

IC REG BUCK BOOST 3.3V 2A 20QFN

Renesas Electronics Corporation

741
ISL91127IRNZ-T7A

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Down Positive Fixed 1 1.8V Buck-Boost 5.5V 3.3V - 2A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-QFN (4x4)
MIC4576-3.3WU

MIC4576-3.3WU

IC REG BUCK 3.3V 3A TO263-5

Microchip Technology

135
MIC4576-3.3WU

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4V Buck 36V 3.3V - 3A 200kHz - No - -40°C ~ 85°C (TA) Surface Mount TO-263-5
LM2575HVS-3.3/NOPB

LM2575HVS-3.3/NOPB

IC REG BUCK 3.3V 1A TO263

Texas Instruments

1,896
LM2575HVS-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4V Buck 60V 3.3V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2852YMXA-3.3/NOPB

LM2852YMXA-3.3/NOPB

IC REG BUCK 3.3V 2A 14HTSSOP

Texas Instruments

358
LM2852YMXA-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 2.85V Buck 5.5V 3.3V - 2A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
LM2852XMXA-2.5/NOPB

LM2852XMXA-2.5/NOPB

IC REG BUCK 2.5V 2A 14HTSSOP

Texas Instruments

210
LM2852XMXA-2.5/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 2.85V Buck 5.5V 2.5V - 2A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
LM2852XMXA-1.8/NOPB

LM2852XMXA-1.8/NOPB

IC REG BUCK 1.8V 2A 14HTSSOP

Texas Instruments

182
LM2852XMXA-1.8/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 2.85V Buck 5.5V 1.8V - 2A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
LM2852YMXA-1.5/NOPB

LM2852YMXA-1.5/NOPB

IC REG BUCK 1.5V 2A 14HTSSOP

Texas Instruments

173
LM2852YMXA-1.5/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 2.85V Buck 5.5V 1.5V - 2A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
MP2492DN-LF-Z

MP2492DN-LF-Z

IC REG BUCK ADJ 2A 8SOICE

Monolithic Power Systems Inc.

2,502
MP2492DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 55V 0.8V 15V 2A 100kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOICE
RT6361GSP

RT6361GSP

IC REG BUCK ADJ 1.5A 8SOP

Richtek USA Inc.

1,784
RT6361GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 60V 0.8V 60V 1.5A 100kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOP-EP
MAX20075DATCA/V+T

MAX20075DATCA/V+T

IC REG BUCK ADJ 600MA 12TDFN

Analog Devices Inc./Maxim Integrated

769
MAX20075DATCA/V+T

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 40V 1V 10V 600mA 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C Surface Mount 12-TDFN (3x3)
LMQ62440CPPQRJRRQ1

LMQ62440CPPQRJRRQ1

IC REG BUCK 5V 4A 14VQFN

Texas Instruments

4,575
LMQ62440CPPQRJRRQ1

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 36V 5V - 4A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-VQFN-HR (4x3.5)
LMQ62440BPPQRJRRQ1

LMQ62440BPPQRJRRQ1

IC REG BUCK 3.3V 4A 14VQFN

Texas Instruments

2,791
LMQ62440BPPQRJRRQ1

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck 36V 3.3V - 4A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 14-VQFN-HR (4x3.5)
ISL854102FRZ

ISL854102FRZ

IC REG BUCK ADJ 1.2A 12DFN

Renesas Electronics Corporation

1,526
ISL854102FRZ

Datasheet

- 12-VFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 40V 0.6V 34V 1.2A 500kHz, 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-DFN (4x3)
RT6362GSP

RT6362GSP

IC REG BUCK ADJ 2.5A 8SOP

Richtek USA Inc.

2,468
RT6362GSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 60V 0.8V 60V 2.5A 100kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOP-EP
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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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