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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
ADP2370ACPZ-5.0-R7

ADP2370ACPZ-5.0-R7

IC REG BUCK 5V 800MA 8LFCSP

Analog Devices Inc.

352
ADP2370ACPZ-5.0-R7

Datasheet

- 8-WFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.2V Buck 15V 5V - 800mA 600kHz ~ 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-LFCSP-WD (3x3)
ADP2370ACPZ-1.2-R7

ADP2370ACPZ-1.2-R7

IC REG BUCK 1.2V 800MA 8LFCSP

Analog Devices Inc.

3,736
ADP2370ACPZ-1.2-R7

Datasheet

- 8-WFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.2V Buck 15V 1.2V - 800mA 600kHz ~ 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-LFCSP-WD (3x3)
LMS3635MQRNLTQ1

LMS3635MQRNLTQ1

IC REG BUCK ADJ 3.5A 22VQFN

Texas Instruments

1,889
LMS3635MQRNLTQ1

Datasheet

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.9V Buck 36V 1V 15V 3.5A 250kHz ~ 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 22-VQFN-HR (5x4)
LMS36353QRNLTQ1

LMS36353QRNLTQ1

IC REG BUCK 3.3V 3.5A 22VQFN

Texas Instruments

256
LMS36353QRNLTQ1

Datasheet

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.9V Buck 36V 3.3V - 3.5A 250kHz ~ 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 22-VQFN-HR (5x4)
LM2590HVS-ADJ/NOPB

LM2590HVS-ADJ/NOPB

IC REG BUCK ADJ 1A TO263

Texas Instruments

223
LM2590HVS-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1.2V 57V 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
MP2147GD-P

MP2147GD-P

IC REG BUCK ADJ 4A 12QFN

Monolithic Power Systems Inc.

1,336
MP2147GD-P

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.8V Buck 5.5V 0.6V 5.5V 4A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-QFN (2x3)
LM46001QPWPTQ1

LM46001QPWPTQ1

IC REG BUCK ADJ 1A 16HTSSOP

Texas Instruments

389
LM46001QPWPTQ1

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 60V 1V 28V 1A 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-HTSSOP
LM53635NQRNLTQ1

LM53635NQRNLTQ1

IC REG BUCK 3.3V 3.5A 22VQFN

Texas Instruments

2,104
LM53635NQRNLTQ1

Datasheet

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.9V Buck 36V 3.3V - 3.5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 22-VQFN-HR (5x4)
LM53635MQRNLTQ1

LM53635MQRNLTQ1

IC REG BUCK ADJ 3.5A 22VQFN

Texas Instruments

1,372
LM53635MQRNLTQ1

Datasheet

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.9V Buck 36V 3.3V 10V 3.5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 22-VQFN-HR (5x4)
LM53635LQRNLTQ1

LM53635LQRNLTQ1

IC REG BUCK 5V 3.5A 22VQFN

Texas Instruments

705
LM53635LQRNLTQ1

Datasheet

- 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.9V Buck 36V 5V - 3.5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 22-VQFN-HR (5x4)
MAX17224ELT+T

MAX17224ELT+T

IC REG BOOST ADJ 1A 6UDFN

Analog Devices Inc./Maxim Integrated

1,865
MAX17224ELT+T

Datasheet

- 6-WDFN Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.4V Boost 5.5V 1.8V 5V 1A (Switch) 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-µDFN (2x2)
TPS541620RPBR

TPS541620RPBR

IC REG BUCK ADJ 6A/6A DL 25VQFN

Texas Instruments

2,156
TPS541620RPBR

Datasheet

SWIFT™ 25-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.5V Buck 15V 0.5V 5.5V 6A, 6A 500kHz, 1MHz, 1.5MHz, 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 25-VQFN-HR (3x5)
MPQ4573GQBE-AEC1-P

MPQ4573GQBE-AEC1-P

IC REG BUCK ADJ 2.5A 12QFN

Monolithic Power Systems Inc.

264
MPQ4573GQBE-AEC1-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 - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 12-QFN (2.5x3)
RT6365GQW

RT6365GQW

IC REG BUCK ADJ 5A 10WDFN

Richtek USA Inc.

2,867
RT6365GQW

Datasheet

- 10-WDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 60V 0.8V 60V 5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-WDFN (4x4)
LTC3542ES6#TRPBF

LTC3542ES6#TRPBF

IC REG BUCK ADJ 500MA TSOT23-6

Analog Devices Inc.

3,645
LTC3542ES6#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 500mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
LTC3542ES6#TRMPBF

LTC3542ES6#TRMPBF

IC REG BUCK ADJ 500MA TSOT23-6

Analog Devices Inc.

3,543
LTC3542ES6#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 500mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
MP4470AGL-P

MP4470AGL-P

IC REG BUCK ADJ 5A 20QFN

Monolithic Power Systems Inc.

2,595
MP4470AGL-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 ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LT8618EDDB-3.3#TRMPBF

LT8618EDDB-3.3#TRMPBF

IC REG BUCK 3.3V 100MA 10DFN

Analog Devices Inc.

239
LT8618EDDB-3.3#TRMPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.4V Buck 60V 3.3V - 100mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
LM2592HVT-5.0/NOPB

LM2592HVT-5.0/NOPB

IC REG BUCK 5V 2A TO220-5

Texas Instruments

130
LM2592HVT-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-220-5 Formed Leads Tube Active Step-Down Positive Fixed 1 4.5V Buck 60V 5V - 2A 150kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
LM2591HVS-3.3/NOPB

LM2591HVS-3.3/NOPB

IC REG BUCK 3.3V 1A TO263

Texas Instruments

102
LM2591HVS-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4.5V Buck 60V 3.3V - 1A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-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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