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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
LM46001AQPWPTQ1

LM46001AQPWPTQ1

IC REG BUCK ADJ 1A 16HTSSOP

Texas Instruments

504
LM46001AQPWPTQ1

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 60V 1V 28V 1A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM43602AQPWPTQ1

LM43602AQPWPTQ1

IC REG BUCK ADJ 2A 16HTSSOP

Texas Instruments

500
LM43602AQPWPTQ1

Datasheet

SIMPLE SWITCHER® 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 36V 1V 28V 2A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
TPS54540BQDDAQ1

TPS54540BQDDAQ1

IC REG BCK SPLIT RAIL ADJ 8SOPWR

Texas Instruments

255
TPS54540BQDDAQ1

Datasheet

- 8-PowerSOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 42V 0.8V 41.1V 5A 100kHz ~ 2.5MHz AEC-Q100 No Automotive -40°C ~ 125°C (TA) Surface Mount 8-SO PowerPad
BD8P250MUF-CE2

BD8P250MUF-CE2

IC REG BUCK BST 5V VQFN24FV4040

Rohm Semiconductor

9,063
BD8P250MUF-CE2

Datasheet

- 24-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down, Step-Up/Step-Down Positive Fixed 1 2.7V, 3.5V Buck, Buck-Boost 36V 5V - 2A 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount VQFN24FV4040
XR76208EL-F

XR76208EL-F

IC REG BUCK ADJ 8A 30QFN

MaxLinear, Inc.

3,889
XR76208EL-F

Datasheet

Power Blox™ 30-PowerVFQFN Tray Active Step-Down Positive Adjustable 1 5V Buck 40V 0.6V 40V 8A 100kHz ~ 800kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 30-QFN (5x5)
MAX17760ATC+

MAX17760ATC+

IC REG BUCK ADJ 300MA 12TDFN

Analog Devices Inc./Maxim Integrated

2,478
MAX17760ATC+

Datasheet

Himalaya 12-WFDFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 76V 0.8V 66.88V 300mA 200kHz, 300kHz, 400kHz, 600kHz - Yes - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
MP9447GL-P

MP9447GL-P

IC REG BUCK ADJ 5A 20QFN

Monolithic Power Systems Inc.

1,927
MP9447GL-P

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.8V 32.4V 5A 200kHz ~ 650kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
BD9778HFP-TR

BD9778HFP-TR

IC REG BUCK ADJ 2A HRP7

Rohm Semiconductor

1,819
BD9778HFP-TR

Datasheet

- HRP-7 (7 Leads + Tab) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7V Buck 35V 1V 35V 2A 50kHz ~ 500kHz - No - -40°C ~ 125°C (TA) Surface Mount HRP7
TPS54550PWPR

TPS54550PWPR

IC REG BUCK ADJ 6A 16HTSSOP

Texas Instruments

9,718
TPS54550PWPR

Datasheet

SWIFT™ 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 20V 0.891V 17.2V 6A 250kHz, 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
MPQ8632GLE-6-P

MPQ8632GLE-6-P

IC REG BUCK ADJ 6A 16QFN

Monolithic Power Systems Inc.

7,750
MPQ8632GLE-6-P

Datasheet

- 16-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.611V 13V 6A 200kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
TPS63020QDSJTQ1

TPS63020QDSJTQ1

IC REG BUCK BST ADJ 3.5A 14VSON

Texas Instruments

582
TPS63020QDSJTQ1

Datasheet

- 14-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.2V 5.5V 3.5A (Switch) 2.4MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 14-VSON (4x3)
LM536023QPWPTQ1

LM536023QPWPTQ1

IC REG BUCK 3.3V 2A 16HTSSOP

Texas Instruments

3,117
LM536023QPWPTQ1

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.9V Buck 36V 3.3V - 2A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM53602AQPWPTQ1

LM53602AQPWPTQ1

IC REG BUCK ADJ 2A 16HTSSOP

Texas Instruments

349
LM53602AQPWPTQ1

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
FAN251015MNTXG

FAN251015MNTXG

IC REG BUCK ADJ 15A 34WQFN

onsemi

3,737
FAN251015MNTXG

Datasheet

- 34-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.5V 5.5V 15A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 34-WQFN (5x7)
LM2676SD-3.3/NOPB

LM2676SD-3.3/NOPB

IC REG BUCK 3.3V 3A 14VSON

Texas Instruments

659
LM2676SD-3.3/NOPB

Datasheet

SIMPLE SWITCHER® 14-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 8V Buck 40V 3.3V - 3A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-VSON (5x6)
LM2676SD-ADJ/NOPB

LM2676SD-ADJ/NOPB

IC REG BUCK ADJ 3A 14VSON

Texas Instruments

427
LM2676SD-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® 14-VDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 8V Buck 40V 1.2V 37V 3A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-VSON (5x6)
LM2673S-3.3/NOPB

LM2673S-3.3/NOPB

IC REG BUCK 3.3V 3A TO263

Texas Instruments

359
LM2673S-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 8V Buck 40V 3.3V - 3A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
MAX20006EAFOB/VY+

MAX20006EAFOB/VY+

IC REG BUCK 3.3V 6A 17FC2QFN

Analog Devices Inc./Maxim Integrated

9,453
MAX20006EAFOB/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Fixed 1 3.5V Buck 36V 3.3V - 6A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
TPS55332QPWPRQ1

TPS55332QPWPRQ1

IC REG BOOST ADJ 3A 20HTSSOP

Texas Instruments

1,172
TPS55332QPWPRQ1

Datasheet

- 20-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.5V Boost 40V 2.5V 50V 3A (Switch) 80kHz ~ 2.2MHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 20-HTSSOP
MPQ4570GF-AEC1-Z

MPQ4570GF-AEC1-Z

IC REG BUCK ADJ 3A 20TSSOP

Monolithic Power Systems Inc.

8,444
MPQ4570GF-AEC1-Z

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 55V 1V 49.5V 3A 520kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
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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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