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
ADP2108AUJZ-3.3-R7

ADP2108AUJZ-3.3-R7

IC REG BUCK 3.3V 600MA TSOT23-5

Analog Devices Inc.

7,265
ADP2108AUJZ-3.3-R7

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 3.3V - 600mA 3MHz - Yes - -40°C ~ 125°C (TA) Surface Mount TSOT-23-5
ADP2108AUJZ-1.8-R7

ADP2108AUJZ-1.8-R7

IC REG BUCK 1.8V 600MA TSOT23-5

Analog Devices Inc.

5,366
ADP2108AUJZ-1.8-R7

Datasheet

- SOT-23-5 Thin, TSOT-23-5 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 TSOT-23-5
TPS54618RTER

TPS54618RTER

IC REG BUCK ADJ 6A 16WQFN

Texas Instruments

3,848
TPS54618RTER

Datasheet

SWIFT™ 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 6V 0.799V 4.5V 6A 200kHz ~ 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-WQFN (3x3)
MP9486AGN-Z

MP9486AGN-Z

IC REG BUCK 5V 1A 8SOIC

Monolithic Power Systems Inc.

2,742
MP9486AGN-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 95V 5V - 1A Up ~ 1MHz - No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
LM20136MHX/NOPB

LM20136MHX/NOPB

IC REG BUCK ADJ 6A 16HTSSOP

Texas Instruments

2,125
LM20136MHX/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 410kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
ADP2108AUJZ-1.2-R7

ADP2108AUJZ-1.2-R7

IC REG BUCK 1.2V 600MA TSOT23-5

Analog Devices Inc.

1,103
ADP2108AUJZ-1.2-R7

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.2V - 600mA 3MHz - Yes - -40°C ~ 125°C (TA) Surface Mount TSOT-23-5
LMR16006YQ5DDCRQ1

LMR16006YQ5DDCRQ1

IC REG BUCK 5V 600MA SOT23

Texas Instruments

12,026
LMR16006YQ5DDCRQ1

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 40V 5V - 600mA 2.1MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
MAX1853EXT+T

MAX1853EXT+T

IC REG CHRG PUMP INV 30MA SC70-6

Analog Devices Inc./Maxim Integrated

9,540
MAX1853EXT+T

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 2.5V Charge Pump 5.5V -Vin, 2Vin - 30mA 200kHz - No - -40°C ~ 85°C (TA) Surface Mount SC-70-6
LMR16006YQDDCRQ1

LMR16006YQDDCRQ1

IC REG BUCK ADJ 600MA SOT23

Texas Instruments

6,832
LMR16006YQDDCRQ1

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.765V 38.8V 600mA 2.1MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
LMR16006YQ3DDCRQ1

LMR16006YQ3DDCRQ1

IC REG BUCK 3.3V 600MA SOT23

Texas Instruments

5,896
LMR16006YQ3DDCRQ1

Datasheet

SIMPLE SWITCHER® SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Fixed 1 4V Buck 40V 3.3V - 600mA 2.1MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount SOT-23-THIN
MAX1852EXT+T

MAX1852EXT+T

IC REG CHRG PUMP INV 30MA SC70-6

Analog Devices Inc./Maxim Integrated

3,342
MAX1852EXT+T

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 2.5V Charge Pump 5.5V -Vin, 2Vin - 30mA 50kHz - No - -40°C ~ 85°C (TA) Surface Mount SC-70-6
MP2325GJ-Z

MP2325GJ-Z

IC REG BUCK ADJ 3A TSOT23-8

Monolithic Power Systems Inc.

2,608
MP2325GJ-Z

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 24V 0.8V 22.8V 3A 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
LMR14050SQDDARQ1

LMR14050SQDDARQ1

IC REG BUCK ADJ 5A 8SOPWR

Texas Instruments

1,259
LMR14050SQDDARQ1

Datasheet

SIMPLE SWITCHER® 8-PowerSOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 0.8V 28V 5A 200kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 8-SO PowerPad
LM2576D2T-ADJR4G

LM2576D2T-ADJR4G

IC REG BUCK ADJ 3A D2PAK-5

onsemi

497
LM2576D2T-ADJR4G

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Down Positive or Negative Adjustable 1 7V Buck 40V 1.23V 37V 3A 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount D2PAK-5
LM2578AMX/NOPB

LM2578AMX/NOPB

IC REG BUCK BOOST 750MA 8SOIC

Texas Instruments

1,658
LM2578AMX/NOPB

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) 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
MP9842GL-Z

MP9842GL-Z

IC REG BUCK ADJ 2A 16QFN

Monolithic Power Systems Inc.

12,351
MP9842GL-Z

Datasheet

MP 16-PowerVQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 36V 0.8V 36V 2A 350kHz ~ 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
TPS56637RPAR

TPS56637RPAR

IC REG BUCK ADJ 6A 10VQFN

Texas Instruments

11,234
TPS56637RPAR

Datasheet

- 10-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 28V 0.6V 13V 6A 500kHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-VQFN-HR (3x3)
LM20323MHX/NOPB

LM20323MHX/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

1,617
LM20323MHX/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
LM2596DSADJG

LM2596DSADJG

IC REG BUCK BOOST ADJ 3A D2PAK-5

onsemi

2,562
LM2596DSADJG

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 4.5V Buck, Boost, Buck-Boost 40V 1.23V 37V 3A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount D2PAK-5
BD90640EFJ-CE2

BD90640EFJ-CE2

IC REG BUCK ADJ 4A 8HTSOP-J

Rohm Semiconductor

1,034
BD90640EFJ-CE2

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5V Buck 36V 0.8V 36V 4A 50kHz ~ 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TA) Surface Mount 8-HTSOP-J
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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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