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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
TPS62812MWRWYR

TPS62812MWRWYR

IC REG BUCK ADJ 2A 9VQFN

Texas Instruments

3,028
TPS62812MWRWYR

Datasheet

- 9-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.75V Buck 6V 0.6V 5.5V 2A 1.8MHz ~ 4MHz - Yes - -55°C ~ 125°C Surface Mount, Wettable Flank 9-VQFN-HR (3x2)
LM20146MHX/NOPB

LM20146MHX/NOPB

IC REG BUCK ADJ 6A 16HTSSOP

Texas Instruments

2,350
LM20146MHX/NOPB

Datasheet

- 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 6A 260kHz ~ 750kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
ADP2108ACBZ-1.8-R7

ADP2108ACBZ-1.8-R7

IC REG BUCK 1.8V 600MA 5WLCSP

Analog Devices Inc.

2,068
ADP2108ACBZ-1.8-R7

Datasheet

- 5-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.8V - 600mA 3MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 5-WLCSP (1.02x1.45)
ADP2108AUJZ-1.3-R7

ADP2108AUJZ-1.3-R7

IC REG BUCK 1.3V 600MA TSOT23-5

Analog Devices Inc.

2,003
ADP2108AUJZ-1.3-R7

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.3V - 600mA 3MHz - Yes - -40°C ~ 125°C (TA) Surface Mount TSOT-23-5
ADP2108ACBZ-1.0-R7

ADP2108ACBZ-1.0-R7

IC REG BUCK 1V 600MA 5WLCSP

Analog Devices Inc.

1,835
ADP2108ACBZ-1.0-R7

Datasheet

- 5-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1V - 600mA 3MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 5-WLCSP (1.02x1.45)
MP2317GJ-P

MP2317GJ-P

IC REG BUCK PROG 1A TSOT23-6

Monolithic Power Systems Inc.

328
MP2317GJ-P

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Programmable 1 7.5V Buck 26V 3.3V 24V 1A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
ADM660ARUZ

ADM660ARUZ

IC REG CHARGE PUMP INV 16TSSOP

Analog Devices Inc.

2,325
ADM660ARUZ

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 7V -Vin, 2Vin - 100mA 25kHz, 120kHz - No - -40°C ~ 85°C (TA) Surface Mount 16-TSSOP
TPS62601YFFT

TPS62601YFFT

IC REG BUCK 1.8V 500MA 6DSBGA

Texas Instruments

358
TPS62601YFFT

Datasheet

- 6-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.8V - 500mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-DSBGA
LM2598SX-3.3/NOPB

LM2598SX-3.3/NOPB

IC REG BUCK 3.3V 1A TO263

Texas Instruments

266
LM2598SX-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LM2598T-3.3/NOPB

LM2598T-3.3/NOPB

IC REG BUCK 3.3V 1A TO220-7

Texas Instruments

172
LM2598T-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-7 Formed Leads Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-7
LM2598T-5.0/NOPB

LM2598T-5.0/NOPB

IC REG BUCK 5V 1A TO220-7

Texas Instruments

166
LM2598T-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-7 Formed Leads Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-7
LM2575T-15/LF03

LM2575T-15/LF03

IC REG BUCK 15V 1A TO220-5

Texas Instruments

219
LM2575T-15/LF03

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4V Buck 40V 15V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM27341QMYX/NOPB

LM27341QMYX/NOPB

IC REG BUCK ADJ 1.5A 10MSOP

Texas Instruments

2,400
LM27341QMYX/NOPB

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 20V 1V 18V 1.5A 2MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-PowerPad
LM34927SD/NOPB

LM34927SD/NOPB

IC REG BUCK ADJ 600MA 8WSON

Texas Instruments

974
LM34927SD/NOPB

Datasheet

- 8-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive, Isolation Capable Adjustable 1 7.5V Buck 100V 1.225V 100V 600mA Adj to 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-WSON (4x4)
LM34919TL/NOPB

LM34919TL/NOPB

IC REG BUCK ADJ 600MA 10DSBGA

Texas Instruments

236
LM34919TL/NOPB

Datasheet

- 10-WFBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 40V 2.5V 35V 600mA 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DSBGA
MIC4742YML-TR

MIC4742YML-TR

IC REG BUCK ADJ 2A DL 16MLF

Microchip Technology

1,737
MIC4742YML-TR

Datasheet

- 16-VQFN Exposed Pad, 16-MLF® Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.9V Buck 5.5V 0.6V 5.5V 2A 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MLF® (4x4)
TPS62184YZFT

TPS62184YZFT

IC REG BUCK ADJ 6A 24DSBGA

Texas Instruments

421
TPS62184YZFT

Datasheet

- 24-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 17V 0.9V 3.5V 6A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-DSBGA
MAX77540AAWV+

MAX77540AAWV+

IC REG BUCK ADJ 3A/3A DL 30WLP

Analog Devices Inc./Maxim Integrated

230
MAX77540AAWV+

Datasheet

- 30-WFBGA, WLBGA Strip Active Step-Down Positive Adjustable 2 4V Buck 16V 0.5V 5.2V 3A, 3A 500kHz, 1MHz, 1.6MHz - No - -40°C ~ 125°C (TJ) Surface Mount 30-WLP (2.51x2.31)
R1245S003A-E2-JE

R1245S003A-E2-JE

IC REG BUCK ADJ 1.2A 8HSOP

Nisshinbo Micro Devices Inc.

985
R1245S003A-E2-JE

Datasheet

R1245x 8-SOIC (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 30V 0.8V 30V 1.2A 330kHz AEC-Q100 No Automotive -40°C ~ 105°C (TA) Surface Mount 8-HSOP-E
LM2575T-3.3/LF03

LM2575T-3.3/LF03

IC REG BUCK 3.3V 1A TO220-5

Texas Instruments

249
LM2575T-3.3/LF03

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4V Buck 40V 3.3V - 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
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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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