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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
TPS54329EDDA

TPS54329EDDA

IC REG BUCK ADJ 3A 8SOPWR

Texas Instruments

137
TPS54329EDDA

Datasheet

D-CAP2™, Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.76V 7V 3A 650kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SO PowerPad
TPS62651YFFT

TPS62651YFFT

IC REG BUCK ADJ 800MA 9DSBGA

Texas Instruments

500
TPS62651YFFT

Datasheet

- 9-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 2.3V Buck 5.5V 0.75V (0.95V, 1.1V) 1.44V 800mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-DSBGA
TPS62350YZGT

TPS62350YZGT

IC REG BUCK ADJ 800MA 12DSBGA

Texas Instruments

160
TPS62350YZGT

Datasheet

- 12-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 2.7V Buck 5.5V 0.75V (1.05V, 1.35V) 1.54V 800mA 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-DSBGA
TPS62356YZGT

TPS62356YZGT

IC REG BUCK ADJ 1A 12DSBGA

Texas Instruments

500
TPS62356YZGT

Datasheet

- 12-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 2.7V Buck 5.5V 1.5V (1.8V) 1.98V 1A 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-DSBGA
TPS62665YFFT

TPS62665YFFT

IC REG BUCK 1.2V 1A 6DSBGA

Texas Instruments

4,304
TPS62665YFFT

Datasheet

- 6-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.2V - 1A 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DSBGA
TPS62650YFFT

TPS62650YFFT

IC REG BUCK ADJ 800MA 9DSBGA

Texas Instruments

475
TPS62650YFFT

Datasheet

- 9-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 2.3V Buck 5.5V 0.75V (1.05V, 1.2V) 1.44V 800mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 9-DSBGA
ST1PS01FJR

ST1PS01FJR

IC REG BCK 1.05V 400MA 8FLIPCHIP

STMicroelectronics

952
ST1PS01FJR

Datasheet

- 8-UFBGA, FCBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 1.8V Buck 5.5V 1.05V, 1.25V, 1.35V, 1.55V - 400mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-FlipChip (1.11x1.41)
LM3691TL-2.5/NOPB

LM3691TL-2.5/NOPB

IC REG BUCK 2.5V 1A 6DSBGA

Texas Instruments

622
LM3691TL-2.5/NOPB

Datasheet

- 6-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 2.5V - 1A 4MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 6-DSBGA (1.5x1.3)
ST1PS01BJR

ST1PS01BJR

IC REG BUCK 1.1V 400MA 8FLIPCHIP

STMicroelectronics

439
ST1PS01BJR

Datasheet

- 8-UFBGA, FCBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 1.8V Buck 5.5V 1.1V, 1.2V, 1.5V, 1.7V - 400mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-FlipChip (1.11x1.41)
LM3691TL-1.2/NOPB

LM3691TL-1.2/NOPB

IC REG BUCK 1.2V 1A 6DSBGA

Texas Instruments

207
LM3691TL-1.2/NOPB

Datasheet

- 6-WFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.2V - 1A 4MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 6-DSBGA (1.5x1.3)
XC9276D3630R-G

XC9276D3630R-G

IC REG BUCK 0.9/1.8V 150MA 6WLP

Torex Semiconductor Ltd

5,054
XC9276D3630R-G

Datasheet

XC9276 6-XFBGA, WLBGA Tape & Reel (TR) Active Step-Down Positive Fixed 2 1.8V Buck 6V 0.9V, 1.8V - 150mA - - Yes - -40°C ~ 85°C (TA) Surface Mount WLP-6-03 (1.07x1.72)
XC9276D1230R-G

XC9276D1230R-G

IC REG BUCK 0.7/0.9V 150MA 6WLP

Torex Semiconductor Ltd

5,023
XC9276D1230R-G

Datasheet

XC9276 6-XFBGA, WLBGA Tape & Reel (TR) Active Step-Down Positive Fixed 2 1.8V Buck 6V 0.7V, 0.9V - 150mA - - Yes - -40°C ~ 85°C (TA) Surface Mount WLP-6-03 (1.07x1.72)
XC9276D4680R-G

XC9276D4680R-G

IC REG BCK 1V/1.8V 150MA DL 6WLP

Torex Semiconductor Ltd

145
XC9276D4680R-G

Datasheet

XC9276 6-XFBGA, WLBGA Tape & Reel (TR) Active Step-Down Positive Fixed 2 1.8V Buck 6V 1V, 1.8V - 150mA - - Yes - -40°C ~ 85°C (TA) Surface Mount WLP-6-03 (1.07x1.72)
LM3370SD-3013/NOPB

LM3370SD-3013/NOPB

IC REG BUCK 1.2V/2.5V DL 16WSON

Texas Instruments

1,775
LM3370SD-3013/NOPB

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 2 2.7V Buck 5.5V 1.2V, 2.5V - 600mA 2MHz - Yes - -30°C ~ 85°C (TA) Surface Mount 16-WSON (5x4)
ST1PS02C1QTR

ST1PS02C1QTR

IC REG BUCK ADJ 400MA 12TQFN

STMicroelectronics

817
ST1PS02C1QTR

Datasheet

- 12-UFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.8V Buck 5.5V 2.6V 3.3V 400mA 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-TQFN (1.7x2)
ST1PS03AQTR

ST1PS03AQTR

IC REG BUCK SELECTABLE 12TQFN

STMicroelectronics

175
ST1PS03AQTR

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)
S-19933AA-A6T8U7

S-19933AA-A6T8U7

IC REG BUCK ADJ 600MA HSNT-6

ABLIC Inc.

3,835
S-19933AA-A6T8U7

Datasheet

S-19933A 6-SMD, Flat Leads Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 18V 1V 12V 600mA 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount HSNT-6
LM2757TM/NOPB

LM2757TM/NOPB

IC REG CHARGE PUMP PROG 12DSBGA

Texas Instruments

1,456
LM2757TM/NOPB

Datasheet

- 12-WFBGA, DSBGA Tape & Reel (TR) Active Step-Up Positive Programmable 1 2.7V Charge Pump 5.5V 4.1V, 4.5V, 5V - 180mA 1.242MHz - No - -30°C ~ 85°C (TA) Surface Mount 12-DSBGA
TPS628680ARQYR

TPS628680ARQYR

IC REG BUCK ADJ 4A 9VQFN

Texas Instruments

908
TPS628680ARQYR

Datasheet

- 9-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.2V 0.8375V 4A 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 9-VQFN-HR (1.5x2.5)
TPS62361BYZHR

TPS62361BYZHR

IC REG BUCK ADJ 2.5A 16DSBGA

Texas Instruments

3,360
TPS62361BYZHR

Datasheet

DCS-Control™ 16-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 2.5V Buck 5.5V 0.5V (0.96V, 1.16V, 1.4V) 1.77V 2.5A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-DSBGA (2.24x2.16)
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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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