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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
S-85S1PD18-I8T1U

S-85S1PD18-I8T1U

IC REG BUCK 1.8V 200MA SNT-8A

ABLIC Inc.

4,288
S-85S1PD18-I8T1U

Datasheet

S-85S1PD 8-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 1.8V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-8A
S-85S1PC33-I8T1U

S-85S1PC33-I8T1U

IC REG BUCK 3.3V 200MA SNT-8A

ABLIC Inc.

4,121
S-85S1PC33-I8T1U

Datasheet

S-85S1PC 8-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 3.3V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-8A
S-85S1PC20-I8T1U

S-85S1PC20-I8T1U

IC REG BUCK 2V 200MA SNT-8A

ABLIC Inc.

3,872
S-85S1PC20-I8T1U

Datasheet

S-85S1PC 8-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 2V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-8A
S-85S1PD21-I8T1U

S-85S1PD21-I8T1U

IC REG BUCK 2.1V 200MA SNT-8A

ABLIC Inc.

3,812
S-85S1PD21-I8T1U

Datasheet

S-85S1PD 8-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 2.1V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-8A
TPS62290IDRVRQ1

TPS62290IDRVRQ1

IC REG BUCK ADJ 1A 6WSON

Texas Instruments

2,976
TPS62290IDRVRQ1

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.3V Buck 6V 0.6V 6V 1A 2.25MHz AEC-Q100 Yes Automotive -40°C ~ 85°C (TA) Surface Mount 6-WSON (2x2)
LM2831YMFX/NOPB

LM2831YMFX/NOPB

IC REG BUCK ADJ 1.5A SOT23-5

Texas Instruments

1,826
LM2831YMFX/NOPB

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1.5A 550kHz - No - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
S-85S1PC18-I8T1U

S-85S1PC18-I8T1U

IC REG BUCK 1.8V 200MA SNT-8A

ABLIC Inc.

1,450
S-85S1PC18-I8T1U

Datasheet

S-85S1PC 8-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 1.8V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-8A
LM2831ZSD/NOPB

LM2831ZSD/NOPB

IC REG BUCK ADJ 1.5A 6WSON

Texas Instruments

975
LM2831ZSD/NOPB

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1.5A 3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 6-WSON (3x3)
NCP6324CMTAATBG

NCP6324CMTAATBG

IC REG BUCK ADJ 2A 8WDFN

onsemi

2,965
NCP6324CMTAATBG

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 2A 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-WDFN (2x2)
TPS62004DGSR

TPS62004DGSR

IC REG BUCK 1.5V 600MA 10VSSOP

Texas Instruments

2,340
TPS62004DGSR

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.5V - 600mA 750kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSSOP
TPS62006DGSR

TPS62006DGSR

IC REG BUCK 2.5V 600MA 10VSSOP

Texas Instruments

345
TPS62006DGSR

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 2.5V - 600mA 750kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSSOP
NCV6324CMTAATBG

NCV6324CMTAATBG

IC REG BUCK ADJ 2A 8WDFN

onsemi

2,986
NCV6324CMTAATBG

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 2A 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount 8-WDFN (2x2)
MIC2205YML-TR

MIC2205YML-TR

IC REG BUCK ADJ 600MA 10MLF

Microchip Technology

2,738
MIC2205YML-TR

Datasheet

- 10-VFDFN Exposed Pad, 10-MLF® Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 1V 5.5V 600mA 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MLF® (3x3)
BM2P064H-Z

BM2P064H-Z

IC REG FLYBACK 1MA 7DIP

Rohm Semiconductor

2,000
BM2P064H-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 10.9V Flyback 30V - - 1mA 65kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIP-AK
BM2P104H-Z

BM2P104H-Z

IC REG FLYBACK 4A 7DIP

Rohm Semiconductor

2,000
BM2P104H-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active Step-Up/Step-Down Positive - 1 10.9V Flyback 30V - - 4A 100kHz - No - -40°C ~ 105°C Through Hole 7-DIP-AK
LTC1701BES5#TRMPBF

LTC1701BES5#TRMPBF

IC REG BUCK ADJ 500MA TSOT23-5

Analog Devices Inc.

1,550
LTC1701BES5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 1.25V 5V 500mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
RT7297BHZSP

RT7297BHZSP

IC REG BUCK ADJ 3A 8SOP

Richtek USA Inc.

1,121
RT7297BHZSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.8V 12V 3A 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
TPS6286820CRQYR

TPS6286820CRQYR

IC REG BUCK ADJ 4A 9VQFN

Texas Instruments

7,878
TPS6286820CRQYR

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.8V 3.35V 4A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 9-VQFN-HR (1.5x2.5)
ST1S50PUR

ST1S50PUR

IC REG BUCK ADJ 4A 10VFDFPN

STMicroelectronics

5,735
ST1S50PUR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 0.8V 15.84V 4A 500kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VFDFPN (3x3)
TPS62026DGQ

TPS62026DGQ

IC REG BUCK 3.3V 600MA 10HVSSOP

Texas Instruments

200
TPS62026DGQ

Datasheet

- 10-PowerTFSOP, 10-MSOP (0.118", 3.00mm Width) Bulk Active Step-Down Positive Fixed 1 2.5V Buck 6V 3.3V - 600mA 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-HVSSOP
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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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