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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
LM2671N-5.0/NOPB

LM2671N-5.0/NOPB

IC REG BUCK 5V 500MA 8PDIP

Texas Instruments

122
LM2671N-5.0/NOPB

Datasheet

SIMPLE SWITCHER® 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Fixed 1 6.5V Buck 40V 5V - 500mA 260kHz - No - -40°C ~ 125°C (TJ) Through Hole 8-PDIP
TPS53314RGFR

TPS53314RGFR

IC REG BUCK ADJ 6A 40VQFN

Texas Instruments

15,000
TPS53314RGFR

Datasheet

D-CAP™, Eco-Mode™ 40-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 15V 0.6V 5.5V 6A 250kHz ~ 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 40-VQFN (7x5)
XR77103ELBTR-A0R5

XR77103ELBTR-A0R5

IC REG BCK ADJ/0.8V TRPL 32TQFN

MaxLinear, Inc.

3,701
XR77103ELBTR-A0R5

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 3 4.5V Buck 14V 0.8V (5V, 9V, 12V) 13.3V 2A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-TQFN (4x4)
XR77103ELBTR-A1R0

XR77103ELBTR-A1R0

IC REG BCK ADJ/0.8V TRPL 32TQFN

MaxLinear, Inc.

2,740
XR77103ELBTR-A1R0

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable (Fixed) 3 4.5V Buck 14V 0.8V (5V, 9V, 12V) 13.3V 2A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-TQFN (4x4)
LM2597MX-3.3/NOPB

LM2597MX-3.3/NOPB

IC REG BUCK 3.3V 500MA 8SOIC

Texas Instruments

1,982
LM2597MX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 500mA 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
RTQ2943GSP-QA

RTQ2943GSP-QA

IC REG BUCK ADJ 3.5A 8SOP

Richtek USA Inc.

1,204
RTQ2943GSP-QA

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 42V 0.8V 42V 3.5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOP-EP
LM2578AM/NOPB

LM2578AM/NOPB

IC REG BUCK BOOST 750MA 8SOIC

Texas Instruments

294
LM2578AM/NOPB

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive or Negative - 1 2V Buck, Boost 40V - - 750mA (Switch) 20kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LM2598S-5.0/NOPB

LM2598S-5.0/NOPB

IC REG BUCK 5V 1A TO263

Texas Instruments

153
LM2598S-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LM2598S-12/NOPB

LM2598S-12/NOPB

IC REG BUCK 12V 1A TO263

Texas Instruments

126
LM2598S-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 12V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
MP2360DG-LF-Z

MP2360DG-LF-Z

IC REG BUCK ADJ 1.8A 8QFN

Monolithic Power Systems Inc.

1,696
MP2360DG-LF-Z

Datasheet

- 8-TFDFN Exposed Pad Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck 24V 0.81V 15V 1.8A 1.4MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-QFN (2x2)
LM2853MH-1.0/NOPB

LM2853MH-1.0/NOPB

IC REG BUCK 1V 3A 14HTSSOP

Texas Instruments

1,408
LM2853MH-1.0/NOPB

Datasheet

SIMPLE SWITCHER® 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Fixed 1 3V Buck 5.5V 1V - 3A 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-HTSSOP
TPS62810MWRWYR

TPS62810MWRWYR

IC REG BUCK ADJ 4A 9VQFN

Texas Instruments

5,997
TPS62810MWRWYR

Datasheet

- 9-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.75V Buck 6V 0.6V 5.5V 4A 1.8MHz ~ 4MHz - Yes - -55°C ~ 125°C Surface Mount, Wettable Flank 9-VQFN-HR (3x2)
LM20323MH/NOPB

LM20323MH/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

252
LM20323MH/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 25.2V 3A 520kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LM20323MHE/NOPB

LM20323MHE/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

177
LM20323MHE/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 25.2V 3A 520kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
BD8312HFN-TR

BD8312HFN-TR

IC REG BUCK ADJ 1A 8HSON

Rohm Semiconductor

2,999
BD8312HFN-TR

Datasheet

- 8-PowerUDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 14V 1.2V 12V 1A 1.38MHz ~ 1.62MHz - Yes - -25°C ~ 85°C (TA) Surface Mount 8-HSON
LM20143QMHE/NOPB

LM20143QMHE/NOPB

IC REG BUCK ADJ 3A 16HTSSOP

Texas Instruments

104
LM20143QMHE/NOPB

Datasheet

PowerWise® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 5.5V 0.8V 4.68V 3A 500kHz ~ 1.5MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
ADP2138ACBZ-1.0-R7

ADP2138ACBZ-1.0-R7

IC REG BUCK 1V 800MA 6WLCSP

Analog Devices Inc.

8,836
ADP2138ACBZ-1.0-R7

Datasheet

- 6-UFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1V - 800mA 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLCSP (1.03x1.50)
ADP2138ACBZ-0.8-R7

ADP2138ACBZ-0.8-R7

IC REG BUCK 0.8V 800MA 6WLCSP

Analog Devices Inc.

3,000
ADP2138ACBZ-0.8-R7

Datasheet

- 6-UFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 0.8V - 800mA 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLCSP (1.03x1.50)
ADP2138ACBZ-3.3-R7

ADP2138ACBZ-3.3-R7

IC REG BUCK 3.3V 800MA 6WLCSP

Analog Devices Inc.

1,717
ADP2138ACBZ-3.3-R7

Datasheet

- 6-UFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 3.3V - 800mA 3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLCSP (1.03x1.50)
ISL97516IUZ-TK

ISL97516IUZ-TK

IC REG BOOST ADJ 1.7A 8MSOP

Renesas Electronics Corporation

928
ISL97516IUZ-TK

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.3V Boost 5.5V 5V 25V 1.7A (Switch) 620kHz, 1.25MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
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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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