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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
TPS6209733RWKR

TPS6209733RWKR

IC REG BUCK 3.3V 2A 11VQFN

Texas Instruments

5,431
TPS6209733RWKR

Datasheet

iDCS-Control 11-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 6V 3.3V - 2A 1.5MHz ~ 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 11-VQFN-HR (2x2)
ST1PS01CJR

ST1PS01CJR

IC REG BUCK 1V 400MA 8FLIPCHIP

STMicroelectronics

5,160
ST1PS01CJR

Datasheet

- 8-UFBGA, FCBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 1.8V Buck 5.5V 1V, 1.2V, 1.3V, 1.5V - 400mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-FlipChip (1.11x1.41)
TPS54326PWPR

TPS54326PWPR

IC REG BUCK ADJ 3A 14HTSSOP

Texas Instruments

3,732
TPS54326PWPR

Datasheet

D-CAP2™, Eco-Mode™ 14-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2V Buck 18V 0.76V 5.5V 3A 700kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 14-HTSSOP
BD95831MUV-E2

BD95831MUV-E2

IC REG BUCK ADJ 3A 16VQFN

Rohm Semiconductor

13,257
BD95831MUV-E2

Datasheet

H³® 16-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.5V Buck 15V 0.8V 5.5V 3A 500kHz ~ 800kHz - Yes - -20°C ~ 100°C (TA) Surface Mount VQFN016V3030
FAN53526UC89X

FAN53526UC89X

IC REG BUCK PROG 3A 15WLCSP

onsemi

5,693
FAN53526UC89X

Datasheet

TinyBuck® 15-UFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.5V Buck 5.5V 1.15V 1.15V 3A 2.4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 15-WLCSP (2.02x1.31)
ST1PS03A1QTR

ST1PS03A1QTR

IC REG BUCK SELECTABLE 12TQFN

STMicroelectronics

1,230
ST1PS03A1QTR

Datasheet

- 12-UFQFN Tape & Reel (TR) Active Step-Down Positive Selectable 1 1.8V Buck 5.5V 1.6V 3.3V 400mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-TQFN (1.7x2)
BD9B304QWZ-E2

BD9B304QWZ-E2

IC REG BUCK ADJ 3A UMMP008AZ020

Rohm Semiconductor

15,777
BD9B304QWZ-E2

Datasheet

- 8-XFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.8V 4.4V 3A 1MHz, 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount UMMP008AZ020
RT8035GQW

RT8035GQW

IC REG BUCK ADJ 800MA DL 10WDFN

Richtek USA Inc.

1,482
RT8035GQW

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5.5V 800mA 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-WDFN (3x3)
S-85S0AB09-I6T1U

S-85S0AB09-I6T1U

IC REG BUCK 0.9V 50MA SNT-6A

ABLIC Inc.

5,000
S-85S0AB09-I6T1U

Datasheet

S-85S0A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 0.9V - 50mA - - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB23-I6T1U

S-85S1AB23-I6T1U

IC REG BUCK 2.3V 200MA SNT-6A

ABLIC Inc.

4,949
S-85S1AB23-I6T1U

Datasheet

S-85S1A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 2.3V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB10-I6T1U

S-85S1AB10-I6T1U

IC REG BUCK 1V 200MA SNT-6A

ABLIC Inc.

4,888
S-85S1AB10-I6T1U

Datasheet

S-85S1A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 1V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB25-I6T1U

S-85S1AB25-I6T1U

IC REG BUCK 2.5V 200MA SNT-6A

ABLIC Inc.

4,803
S-85S1AB25-I6T1U

Datasheet

S-85S1A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 2.5V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB22-I6T1U

S-85S1AB22-I6T1U

IC REG BUCK 2.2V 200MA SNT-6A

ABLIC Inc.

4,800
S-85S1AB22-I6T1U

Datasheet

S-85S1A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 2.2V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB15-I6T1U

S-85S1AB15-I6T1U

IC REG BUCK 1.5V 200MA SNT-6A

ABLIC Inc.

4,730
S-85S1AB15-I6T1U

Datasheet

S-85S1A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 1.5V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB11-I6T1U

S-85S1AB11-I6T1U

IC REG BUCK 1.1V 200MA SNT-6A

ABLIC Inc.

4,516
S-85S1AB11-I6T1U

Datasheet

S-85S1A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 1.1V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB19-I6T1U

S-85S1AB19-I6T1U

IC REG BUCK 1.9V 200MA SNT-6A

ABLIC Inc.

3,956
S-85S1AB19-I6T1U

Datasheet

S-85S1A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 1.9V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S0AB30-I6T1U

S-85S0AB30-I6T1U

IC REG BUCK 3V 50MA SNT-6A

ABLIC Inc.

3,764
S-85S0AB30-I6T1U

Datasheet

S-85S0A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 3V - 50mA - - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB30-I6T1U

S-85S1AB30-I6T1U

IC REG BUCK 3V 200MA SNT-6A

ABLIC Inc.

3,465
S-85S1AB30-I6T1U

Datasheet

S-85S1A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 3V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB07-I6T1U

S-85S1AB07-I6T1U

IC REG BUCK 0.7V 200MA SNT-6A

ABLIC Inc.

2,982
S-85S1AB07-I6T1U

Datasheet

S-85S1A 6-SMD, Flat Leads Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.2V Buck 5.5V 0.7V - 200mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SNT-6A
S-85S1AB33-I6T1U

S-85S1AB33-I6T1U

IC REG BUCK 3.3V 200MA SNT-6A

ABLIC Inc.

2,571
S-85S1AB33-I6T1U

Datasheet

S-85S1A 6-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-6A
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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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