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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
MAX25203DATJD/VY+

MAX25203DATJD/VY+

36V DUAL PHASE BOOST CONTROLLER

Analog Devices Inc./Maxim Integrated

3,059
MAX25203DATJD/VY+

Datasheet

- - Tube Active - - - - - - - - - - - - - - - - -
MAX25203DATJA/VY+

MAX25203DATJA/VY+

IC 36V DUAL PHASE BOOST I2C

Analog Devices Inc./Maxim Integrated

3,579
MAX25203DATJA/VY+

Datasheet

- - Tube Active - - - - - - - - - - - - - - - - -
MAX25203DATJE/VY+

MAX25203DATJE/VY+

36V DUAL PHASE BOOST CONTROLLER

Analog Devices Inc./Maxim Integrated

3,717
MAX25203DATJE/VY+

Datasheet

- - Tube Active - - - - - - - - - - - - - - - - -
MAX25203EATJA/VY+

MAX25203EATJA/VY+

36V DUAL PHASE BOOST CONTROLLER

Analog Devices Inc./Maxim Integrated

2,848
MAX25203EATJA/VY+

Datasheet

- - Tube Active - - - - - - - - - - - - - - - - -
NCP3294MNTXG

NCP3294MNTXG

25A STACKABLE SYNCHRONOUS BUCK R

onsemi

2,091
NCP3294MNTXG

Datasheet

- 34-PowerWFQFN Bulk Discontinued Step-Down Positive Adjustable 1 3V Buck 18V 0.5V 5.5V 25A - - Yes - -40°C ~ 150°C (TJ) Surface Mount 34-WQFN (5x7)
FAN53602UC123X

FAN53602UC123X

1.2A SYNCHRONOUS BUCK REGULATOR

onsemi

4,909
FAN53602UC123X

Datasheet

- 6-UFBGA, WLCSP Bulk Discontinued Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.233V - 1.2A 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLCSP (1.16x0.86)
FAN49103AUC34AX

FAN49103AUC34AX

BUCK-BOOST REGULATOR, 2.5 A, 1.8

onsemi

1,275
FAN49103AUC34AX

Datasheet

TinyPower™ 20-UFBGA, WLCSP Bulk Discontinued Step-Up/Step-Down Positive Fixed 1 2.5V Buck-Boost 5.5V 3.4V - 2.5A 1.8MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-WLCSP (1.62x2.02)
MC33680FTB

MC33680FTB

DUAL DC-DC REGULATOR FOR ELECTRO

onsemi

2,649
MC33680FTB

Datasheet

- 32-LQFP Bulk Discontinued Step-Up Positive Adjustable 2 1V Boost 7V, 30V 2.7V, 5V 5V, 25V - 100kHz, 120kHz - Yes - 0°C ~ 70°C (TA) Surface Mount 32-LQFP (7x7)
FAN53745UC01X

FAN53745UC01X

BUCK REGULATOR, SYNCHRONOUS, 3.3

onsemi

4,420
FAN53745UC01X

Datasheet

- 6-XFBGA, WLCSP Bulk Discontinued Step-Down Positive Programmable 1 2.3V Buck 5.5V 0.9V 3.3V 1A 3.33MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLCSP (1.09x0.96)
LZ-1359

LZ-1359

VOLTAGE REGULATOR

Microchip Technology

1,155
LZ-1359

Datasheet

- - Bulk Active - - - - - - - - - - - - - - - - -
AT3408

AT3408

IC REG BUCK ADJ 1A SOT23-5

Analog Technologies, Inc.

4,270
AT3408

Datasheet

- SC-74A, SOT-753 Strip 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 SOT-23-5
AT8028

AT8028

IC REG BUCK ADJ 1.5A SOT23-5

Analog Technologies, Inc.

1,414
AT8028

Datasheet

- SC-74A, SOT-753 Strip Active Step-Down Positive Adjustable 1 2.6V Buck 5.5V 0.6V 5.5V 1.5A 2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount SOT-23-5
AT3408

AT3408

IC REG BUCK ADJ 1A SOT23-5

Analog Technologies, Inc.

1,264
AT3408

Datasheet

- SC-74A, SOT-753 Strip 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 SOT-23-5
AT8028

AT8028

IC REG BUCK ADJ 1.5A SOT23-5

Analog Technologies, Inc.

1,079
AT8028

Datasheet

- SC-74A, SOT-753 Strip Active Step-Down Positive Adjustable 1 2.6V Buck 5.5V 0.6V 5.5V 1.5A 2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount SOT-23-5
AT9342

AT9342

IC REG BUCK ADJ 1A SOT23-6L

Analog Technologies, Inc.

4,603
AT9342

Datasheet

- SOT-23-6 Strip Active Step-Down Positive Adjustable 1 4.2V Buck 40V 0.794V 40V 1A 1.8MHz - No - 150°C (TJ) Surface Mount SOT-23-6L
AKM2700A00BMC

AKM2700A00BMC

IC REG BUCK ADJ 6A TRPL 8LGA

ARK Semiconductor

4,463
AKM2700A00BMC

Datasheet

- 108-LGA Bag Active Step-Down Positive Adjustable 3 4.5V Buck 16V 0.6V 2.6V 6A Up to 3MHz - Yes - -45°C ~ 85°C (TA) Surface Mount 8-LGA
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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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