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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
MIC23050-SYML-TR

MIC23050-SYML-TR

IC REG BUCK 3.3V 600MA 8MLF

Microchip Technology

31,767
MIC23050-SYML-TR

Datasheet

HyperLight Load® 8-VFDFN Exposed Pad, 8-MLF® Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 3.3V - 600mA 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-MLF® (2x2)
MIC23050-4YML-TR

MIC23050-4YML-TR

IC REG BUCK 1.2V 600MA 8MLF

Microchip Technology

15,177
MIC23050-4YML-TR

Datasheet

HyperLight Load® 8-VFDFN Exposed Pad, 8-MLF® Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.2V - 600mA 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-MLF® (2x2)
MIC23050-GYML-TR

MIC23050-GYML-TR

IC REG BUCK 1.8V 600MA 8MLF

Microchip Technology

5,366
MIC23050-GYML-TR

Datasheet

HyperLight Load® 8-VFDFN Exposed Pad, 8-MLF® Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.8V - 600mA 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-MLF® (2x2)
TLV62585RWTR

TLV62585RWTR

IC REG BUCK ADJ 3A 12VQFN

Texas Instruments

7,868
TLV62585RWTR

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 3A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-VQFN-HR (2x2)
LM2665M6X/NOPB

LM2665M6X/NOPB

IC REG CHARGE PUMP 2VIN SOT23-6

Texas Instruments

4,833
LM2665M6X/NOPB

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Ratiometric Positive Fixed 1 2.5V Charge Pump 5.5V 2Vin, Vin/2 - 40mA 80kHz - No - -40°C ~ 85°C (TJ) Surface Mount SOT-23-6
LV3842XFDBVR

LV3842XFDBVR

IC REG BUCK ADJ 600MA SOT23-6

Texas Instruments

2,496
LV3842XFDBVR

Datasheet

- SOT-23-6 Bulk Active Step-Down Positive Adjustable 1 4V Buck 36V 1V 34.2V 600mA 1.1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-6
LV3842XDBVR

LV3842XDBVR

IC REG BUCK ADJ 600MA SOT23-6

Texas Instruments

2,172
LV3842XDBVR

Datasheet

- SOT-23-6 Bulk Active Step-Down Positive Adjustable 1 4V Buck 36V 1V 34.2V 600mA 1.1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-6
AP3429AKTTR-G1

AP3429AKTTR-G1

IC REG BUCK ADJ 2A TSOT25

Diodes Incorporated

3,976
AP3429AKTTR-G1

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.5V 2A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-25
AOZ6663DI

AOZ6663DI

IC REG BUCK ADJ 3A 8DFN

Alpha & Omega Semiconductor Inc.

269,006
AOZ6663DI

Datasheet

EZBuck™ 8-SMD, Flat Leads Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 6V 3A 750kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN-EP (3x3)
AP62200Z6-7

AP62200Z6-7

IC REG BUCK ADJ 2A SOT563

Diodes Incorporated

14,925
AP62200Z6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 18V 0.8V 7V 2A 740kHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-563
TPS565242DRLR

TPS565242DRLR

IC REG BUCK ADJ 5A SOT563

Texas Instruments

3,770
TPS565242DRLR

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 16V 0.6V 7V 5A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-563
AP3401DNTR-G1

AP3401DNTR-G1

IC REG BUCK ADJ 1A UDFN20206

Diodes Incorporated

215,189
AP3401DNTR-G1

Datasheet

- 6-UDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 1V 5V 1A 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount U-DFN2020-6 (Type J)
AP3428AKTTR-G1

AP3428AKTTR-G1

IC REG BUCK ADJ 1A TSOT25

Diodes Incorporated

149,897
AP3428AKTTR-G1

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1A 1.5MHz - Yes - -40°C ~ 80°C (TA) Surface Mount TSOT-25
AP3428DNTR-G1

AP3428DNTR-G1

IC REG BUCK ADJ 1A UDFN20206

Diodes Incorporated

71,639
AP3428DNTR-G1

Datasheet

- 6-UDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1A 1.5MHz - Yes - -40°C ~ 80°C (TA) Surface Mount U-DFN2020-6 (Type J)
AP3401KTTR-G1

AP3401KTTR-G1

IC REG BUCK ADJ 1A TSOT23-6

Diodes Incorporated

49,655
AP3401KTTR-G1

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 1A 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
AOZ6682CI

AOZ6682CI

IC REG BUCK ADJ 2A TSOT23-6

Alpha & Omega Semiconductor Inc.

13,530
AOZ6682CI

Datasheet

EZBuck™ SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 15.3V 2A 750kHz - Yes - -40°C ~ 125°C (TA) Surface Mount TSOT-23-6
AP62200TWU-7

AP62200TWU-7

IC REG BUCK ADJ 2A TSOT26

Diodes Incorporated

114,645
AP62200TWU-7

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 18V 0.8V 7V 2A 740kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-26
AP3445LW6-7

AP3445LW6-7

IC REG BUCK ADJ 2A SOT26

Diodes Incorporated

19,556
AP3445LW6-7

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.5V 2A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-26
MIC23201YML-TR

MIC23201YML-TR

IC REG BUCK ADJ 2A 10MLF

Microchip Technology

4,970
MIC23201YML-TR

Datasheet

Hyper Speed Control® 10-VFQFN Exposed Pad, 10-MLF® Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.95V 3.6V 2A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MLF® (3x3)
AP3428KTTR-G1

AP3428KTTR-G1

IC REG BUCK ADJ 1A TSOT25

Diodes Incorporated

225,243
AP3428KTTR-G1

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1A 1.5MHz - Yes - -40°C ~ 80°C (TA) Surface Mount TSOT-25
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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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