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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
RP517Z121D-TR-F

RP517Z121D-TR-F

IC REG BUCK 1.2V 300MA 8WLCSP

Nisshinbo Micro Devices Inc.

4,844
RP517Z121D-TR-F

Datasheet

RP517x 8-XFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 1.8V Buck 5.5V 1.2V - 300mA 1MHz - - - -40°C ~ 85°C (TA) Surface Mount WLCSP-8-P1
SIP12109DMP-T1-GE4

SIP12109DMP-T1-GE4

IC REG BUCK ADJ 4A 16MLP

Vishay Siliconix

1,780
SIP12109DMP-T1-GE4

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 15V 0.6V 5.5V 4A 400kHz ~ 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-MLP (3x3)
RT8290ZSP

RT8290ZSP

IC REG BUCK ADJ 3A 8SOP

Richtek USA Inc.

14,935
RT8290ZSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.925V 20V 3A 340kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
RT8295BLZSP

RT8295BLZSP

IC REG BUCK ADJ 2A 8SOP

Richtek USA Inc.

7,396
RT8295BLZSP

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 23V 0.8V 15V 2A 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOP-EP
FAN53601UC182X

FAN53601UC182X

IC REG BUCK 1.82V 600MA 6WLCSP

onsemi

5,940
FAN53601UC182X

Datasheet

- 6-UFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.82V - 600mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLCSP (1.23x0.88)
LM3691TLX-3.3/NOPB

LM3691TLX-3.3/NOPB

IC REG BUCK 3.3V 1A 6DSBGA

Texas Instruments

3,011
LM3691TLX-3.3/NOPB

Datasheet

- 6-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 3.3V - 1A 4MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 6-DSBGA (1.5x1.3)
RT5796CHGJ5

RT5796CHGJ5

IC REG BUCK ADJ 1.5A TSOT23-5

Richtek USA Inc.

2,858
RT5796CHGJ5

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 3.4V 1.5A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
RT6264AHGJ6F

RT6264AHGJ6F

IC REG BUCK ADJ 4A TSOT23-6

Richtek USA Inc.

3,032
RT6264AHGJ6F

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.765V 7V 4A 650kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6 (FC)
TPS563210DDFR

TPS563210DDFR

IC REG BUCK ADJ 3A TSOT23-8

Texas Instruments

4,940
TPS563210DDFR

Datasheet

D-CAP2™, Eco-Mode™ SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 17V 0.76V 7V 3A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-8
TPS62850220QDRLRQ1

TPS62850220QDRLRQ1

IC REG BUCK ADJ 2A SOT583

Texas Instruments

3,910
TPS62850220QDRLRQ1

Datasheet

- SOT-583 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.6V 5.5V 2A 1.8MHz ~ 4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount SOT-583
TPS627431YFPT

TPS627431YFPT

IC REG BUCK PROG 400MA 8DSBGA

Texas Instruments

670
TPS627431YFPT

Datasheet

DCS-Control™ 8-XFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.15V Buck 5.5V 1.3V 3.1V 400mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DSBGA
RT8088AWSC

RT8088AWSC

IC REG BUCK PROG 3A 15WLCSP

Richtek USA Inc.

3,674
RT8088AWSC

Datasheet

- 15-UFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.5V Buck 5.5V 0.6V 1.4V 3A 2.7MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 15-WLCSP (1.31x2.11)
NC2600ZA180AE2S

NC2600ZA180AE2S

IC REG BUCK 1.8V 2A 8WLCSP

Nisshinbo Micro Devices Inc.

5,000
NC2600ZA180AE2S

Datasheet

NC2600 8-XFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.8V - 2A 4MHz - No - -40°C ~ 85°C (TA) Surface Mount WLCSP-8-P11
NC2600ZA330AE2S

NC2600ZA330AE2S

IC REG BUCK 3.3V 2A 8WLCSP

Nisshinbo Micro Devices Inc.

5,000
NC2600ZA330AE2S

Datasheet

NC2600 8-XFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 3.3V - 2A 4MHz - No - -40°C ~ 85°C (TA) Surface Mount WLCSP-8-P11
TPS62303DRCR

TPS62303DRCR

IC REG BUCK 1.8V 500MA 10VSON

Texas Instruments

2,401
TPS62303DRCR

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 6V 1.8V - 500mA 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
LM2830ZSD/NOPB

LM2830ZSD/NOPB

IC REG BUCK ADJ 1A 6WSON

Texas Instruments

4,000
LM2830ZSD/NOPB

Datasheet

- 6-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.6V 4.5V 1A 3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 6-WSON (3x3)
BD9B200MUV-E2

BD9B200MUV-E2

IC REG BUCK ADJ 2A 16VQFN

Rohm Semiconductor

2,850
BD9B200MUV-E2

Datasheet

- 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 4.4V 2A 1MHz, 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount VQFN016V3030
TPS54427DDA

TPS54427DDA

IC REG BUCK ADJ 4A 8SOPWR

Texas Instruments

184
TPS54427DDA

Datasheet

SWIFT™, D-CAP2™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 4A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
LX7219-02ILQ-TR

LX7219-02ILQ-TR

IC REG BUCK ADJ 6A 14VQFN

Microchip Technology

1,890
LX7219-02ILQ-TR

Datasheet

- 14-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.75V 5.5V 6A 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-VQFN (2x3)
BM2P249Q-Z

BM2P249Q-Z

IC REG BUCK 600A 7DIP

Rohm Semiconductor

3,882
BM2P249Q-Z

Datasheet

- 8-DIP (0.300", 7.62mm), 7 Leads Tube Active - Positive - 1 8V Buck 26.5V - - 600µA 100kHz - No - -40°C ~ 105°C (TA) Through Hole 7-DIP
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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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