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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
LM2750LD-5.0/NOPB

LM2750LD-5.0/NOPB

IC REG CHARGE PUMP 5V 1 10WSON

Texas Instruments

2,969
LM2750LD-5.0/NOPB

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.7V Charge Pump 5.6V 5V - 120mA 1.7MHz - No - -40°C ~ 125°C (TA) Surface Mount 10-WSON (3x3)
L7981TR

L7981TR

IC REG BUCK ADJ 3A 8VFQFPN

STMicroelectronics

2,359
L7981TR

Datasheet

- 8-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 28V 0.6V 28V 3A 250kHz ~ 1MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-VFQFPN (3x3)
TPS62134DRGTR

TPS62134DRGTR

IC REG BUCK PROG 3.2A 16VQFN

Texas Instruments

11,699
TPS62134DRGTR

Datasheet

DCS-Control™ 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable 1 3V Buck 17V 0.7V 1V 3.2A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-VQFN (3x3)
MP2128DT-LF-Z

MP2128DT-LF-Z

IC REG BUCK ADJ 1A SOT23-5

Monolithic Power Systems Inc.

8,142
MP2128DT-LF-Z

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 6V 0.6V 6V 1A 2.8MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
NCP1593BMNTWG

NCP1593BMNTWG

IC REG BUCK ADJ 3A 10DFN

onsemi

5,756
NCP1593BMNTWG

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 5.5V 0.6V 5.23V 3A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount, Wettable Flank 10-DFN (3x3)
TPS621361RGXT

TPS621361RGXT

IC REG BUCK ADJ 4A 11VQFN

Texas Instruments

190
TPS621361RGXT

Datasheet

- 11-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 17V 0.8V 12V 4A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 11-VQFN-HR (2x3)
TPS40222DRPR

TPS40222DRPR

IC REG BUCK ADJ 1.6A 6VSON

Texas Instruments

2,850
TPS40222DRPR

Datasheet

- 6-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 8V 0.8V 7.2V 1.6A 1.25MHz - No - -40°C ~ 125°C (TA) Surface Mount 6-VSON (3x3)
TPS62400QDRCRQ1

TPS62400QDRCRQ1

IC REG BUCK ADJ DL 10VSON

Texas Instruments

2,473
TPS62400QDRCRQ1

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 6V 0.6V 6V 400mA, 600mA 2.3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 10-VSON (3x3)
TPS62051DGS

TPS62051DGS

IC REG BUCK ADJ 800MA 10VSSOP

Texas Instruments

1,831
TPS62051DGS

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 2.7V Buck 10V 0.7V 6V 800mA 850kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-VSSOP
LM3691TL-1.8/NOPB

LM3691TL-1.8/NOPB

IC REG BUCK 1.8V 1A 6DSBGA

Texas Instruments

989
LM3691TL-1.8/NOPB

Datasheet

- 6-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.8V - 1A 4MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 6-DSBGA (1.5x1.3)
AOZ2261QI-15

AOZ2261QI-15

IC REG BUCK ADJ 8A 22QFN

Alpha & Omega Semiconductor Inc.

37,946
AOZ2261QI-15

Datasheet

EZBuck™ 22-PowerVFQFN Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 2.7V Buck 28V 0.8V 23.8V 8A - - Yes - -40°C ~ 85°C (TA) Surface Mount 22-QFN (4x4)
TPS62087RLTR

TPS62087RLTR

IC REG BUCK 1.8V 3A 7VSON

Texas Instruments

15,995
TPS62087RLTR

Datasheet

DCS-Control™ 7-VFDFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 6V 1.8V - 3A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 7-VSON-HR (2x2)
AOZ2254TQI-11

AOZ2254TQI-11

IC REG BUCK ADJ 10A 22QFN

Alpha & Omega Semiconductor Inc.

4,990
AOZ2254TQI-11

Datasheet

EZBuck™ 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 6.5V Buck 28V 0.8V 23.8V 10A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 22-QFN (4x4)
BD9B500MUV-E2

BD9B500MUV-E2

IC REG BUCK ADJ 5A 16VQFN

Rohm Semiconductor

2,716
BD9B500MUV-E2

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 4.4V 5A 1MHz, 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount VQFN016V3030
TPS62827DMQT

TPS62827DMQT

IC REG BUCK ADJ 4A 6VSON

Texas Instruments

1,107
TPS62827DMQT

Datasheet

- 6-VFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 4V 4A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 6-VSON-HR (1.5x1.5)
TL7660CDGKT

TL7660CDGKT

IC REG CHARGE PUMP INV 8VSSOP

Texas Instruments

544
TL7660CDGKT

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 10V -Vin, 2Vin - - 10kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-VSSOP
LMR61428XMM/NOPB

LMR61428XMM/NOPB

IC REG BOOST ADJ 2.85A 8VSSOP

Texas Instruments

12,798
LMR61428XMM/NOPB

Datasheet

SIMPLE SWITCHER® 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.2V Boost 14V 1.24V 14V 2.85A (Switch) 300kHz ~ 2MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-VSSOP
TPS61230ARNST

TPS61230ARNST

IC REG BOOST ADJ 6A 7VQFN

Texas Instruments

947
TPS61230ARNST

Datasheet

- 7-VFQFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 4.5V 2.5V 5.5V 6A (Switch) 1.15MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 7-VQFN-HR (2x2)
TPS62401DRCT

TPS62401DRCT

IC REG BUCK PROG/1.8V DL 10VSON

Texas Instruments

3,329
TPS62401DRCT

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable (Fixed) 2 2.5V Buck 6V 1.1V, 1.575V (1.8V) - 400mA, 600mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
MP1400GC-Z

MP1400GC-Z

IC REG BUCK ADJ 600MA 8CSP

Monolithic Power Systems Inc.

11,396
MP1400GC-Z

Datasheet

- 8-UFBGA, CSPBGA Tape & Reel (TR) Active Step-Down Negative Adjustable 1 2.7V Buck 7V -0.9V -6V 600mA 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-CSP (0.80x1.60)
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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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