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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
LM2597M-3.3/NOPB

LM2597M-3.3/NOPB

IC REG BUCK 3.3V 500MA 8SOIC

Texas Instruments

101
LM2597M-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 3.3V - 500mA 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LT8606HMSE#PBF

LT8606HMSE#PBF

IC REG BUCK ADJ 350MA 10MSOP

Analog Devices Inc.

1,767
LT8606HMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 1.8V 12V 350mA 200kHz ~ 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
MPQ8632GLE-4-Z

MPQ8632GLE-4-Z

IC REG BUCK ADJ 4A 16QFN

Monolithic Power Systems Inc.

4,848
MPQ8632GLE-4-Z

Datasheet

- 16-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.611V 13V 4A 200kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
XR77103ELBTR

XR77103ELBTR

IC REG BUCK ADJ 2A TRPL 32TQFN

MaxLinear, Inc.

2,865
XR77103ELBTR

Datasheet

- 32-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 4.5V Buck 14V 0.8V 6V 2A 300kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 32-TQFN (4x4)
MPQ4576GQBE-P

MPQ4576GQBE-P

IC REG BUCK ADJ 600MA 12QFN

Monolithic Power Systems Inc.

990
MPQ4576GQBE-P

Datasheet

- 12-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1V 54V 600mA 400kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-QFN (2.5x3)
MPQ2124GD-AEC1-P

MPQ2124GD-AEC1-P

IC REG BUCK ADJ 3A 11QFN

Monolithic Power Systems Inc.

399
MPQ2124GD-AEC1-P

Datasheet

MPQ 11-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.606V 6V 3A 450kHz ~ 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 11-QFN (2x3)
LT3581HDE#PBF

LT3581HDE#PBF

IC REG BST CHARGE PUMP ADJ 14DFN

Analog Devices Inc.

4,965
LT3581HDE#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.5V Boost, Charge Pump, Cuk, Flyback, SEPIC 22V 1.215V 42V (Switch) 3.3A (Switch) 200kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 14-DFN (4x3)
LM53602AQPWPRQ1

LM53602AQPWPRQ1

IC REG BUCK ADJ 2A 16HTSSOP

Texas Instruments

1,657
LM53602AQPWPRQ1

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.9V Buck 36V 3.3V 6V 2A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
MAX642ACSA+

MAX642ACSA+

IC REG BST ADJ/1.31V 450MA 8SOIC

Analog Devices Inc./Maxim Integrated

3,953
MAX642ACSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Adjustable (Fixed) 1 2V Boost 16.5V 1.31V (12V) 18V (Switch) 450mA (Switch) 50kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
ADP1607ACPZN001-R7

ADP1607ACPZN001-R7

IC REG BOOST ADJ 1A 6LFCSP

Analog Devices Inc.

14,521
ADP1607ACPZN001-R7

Datasheet

- 6-UDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.8V Boost 3.3V 1.8V 3.3V 1A (Switch) 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-LFCSP-UD (2x2)
TPS53313RGER

TPS53313RGER

IC REG BUCK ADJ 6A 24VQFN

Texas Instruments

847
TPS53313RGER

Datasheet

SmoothPWM™ 24-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 16V 0.6V 11.2V 6A 250kHz ~ 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 24-VQFN (4x4)
LM2670SX-12/NOPB

LM2670SX-12/NOPB

IC REG BUCK 12V 3A TO263

Texas Instruments

503
LM2670SX-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Step-Down Positive Fixed 1 8V Buck 40V 12V - 3A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LM2670SD-12/NOPB

LM2670SD-12/NOPB

IC REG BUCK 12V 3A 14VSON

Texas Instruments

224
LM2670SD-12/NOPB

Datasheet

SIMPLE SWITCHER® 14-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 8V Buck 40V 12V - 3A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-VSON (5x6)
LM2670T-5.0/NOPB

LM2670T-5.0/NOPB

IC REG BUCK 5V 3A TO220-7

Texas Instruments

129
LM2670T-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-7 Formed Leads Tube Active Step-Down Positive Fixed 1 8V Buck 40V 5V - 3A 260kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-7
BD8961NV-E2

BD8961NV-E2

IC REG BUCK 3.3V 2A SON008V5060

Rohm Semiconductor

1,947
BD8961NV-E2

Datasheet

- 8-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 5.5V 3.3V - 2A 1MHz - Yes - -25°C ~ 105°C (TA) Surface Mount SON008V5060
MAX20011DAFOA/VY+

MAX20011DAFOA/VY+

IC REG BUCK ADJ 12A 17FC2QFN

Analog Devices Inc./Maxim Integrated

963
MAX20011DAFOA/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Adjustable 1 3V Buck 5.5V 0.5V 1.275V 12A 1.1MHz, 2.2MHz - Yes Automotive -40°C ~ 125°C Surface Mount, Wettable Flank 17-FC2QFN (3.5x4)
MP4573GQBE-P

MP4573GQBE-P

IC REG BUCK ADJ 2.5A 12QFN

Monolithic Power Systems Inc.

245
MP4573GQBE-P

Datasheet

- 12-VFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1V 54V 2.5A Up to 2.2MHz - Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-QFN (2.5x3)
LM43601QPWPRQ1

LM43601QPWPRQ1

IC REG BUCK ADJ 1A 16HTSSOP

Texas Instruments

1,990
LM43601QPWPRQ1

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 3.5V Buck 36V 1V 28V 1A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM26003QMH/NOPB

LM26003QMH/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

276
LM26003QMH/NOPB

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 3V Buck 38V 1.236V 35V 3A 150kHz ~ 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
LM53625MQURNLRQ1

LM53625MQURNLRQ1

IC REG BUCK ADJ 2.5A 22VQFN

Texas Instruments

6,000
LM53625MQURNLRQ1

Datasheet

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.9V Buck 36V 3.3V 10V 2.5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 22-VQFN-HR (5x4)
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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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