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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
LX7165-02CSP-TR

LX7165-02CSP-TR

IC REG BCK PROG/0.95V 5A 20WLCSP

Microchip Technology

1,063
LX7165-02CSP-TR

Datasheet

- 20-UFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Programmable (Fixed) 1 3V Buck 5.5V 0.6V (0.95V) 3.3V 5A 1.875MHz - Yes - 0°C ~ 85°C (TA) Surface Mount 20-WLCSP
RM590L152B-TR

RM590L152B-TR

IC REG BUCK 1.5V 400MA 8QFN

Nisshinbo Micro Devices Inc.

2,100
RM590L152B-TR

Datasheet

- 8-LQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.5V - 400mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-QFN (2.2x2)
RM590L252B-TR

RM590L252B-TR

IC REG BUCK 2.5V 400MA 8QFN

Nisshinbo Micro Devices Inc.

2,100
RM590L252B-TR

Datasheet

- 8-LQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 2.5V - 400mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-QFN (2.2x2)
RM590L112B-TR

RM590L112B-TR

IC REG BUCK 1.1V 400MA 8QFN

Nisshinbo Micro Devices Inc.

2,100
RM590L112B-TR

Datasheet

- 8-LQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.1V - 400mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-QFN (2.2x2)
TL2575-ADJIKV

TL2575-ADJIKV

IC REG BUCK ADJ 1A TO220-5

Texas Instruments

301
TL2575-ADJIKV

Datasheet

- TO-220-5 Formed Leads Bulk Active Step-Down Positive Adjustable 1 4.75V Buck 40V 1.23V 37V 1A 52kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
TPS61087DRCT

TPS61087DRCT

IC REG BOOST ADJ 3.2A 10VSON

Texas Instruments

1,036
TPS61087DRCT

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost 6V 3V 18.5V 3.2A (Switch) 650kHz, 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-VSON (3x3)
BD9SD11NUX-CE2

BD9SD11NUX-CE2

IC REG BUCK 1.15V 600MA 8VSON

Rohm Semiconductor

12,000
BD9SD11NUX-CE2

Datasheet

- 8-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.7V Buck 5.5V 1.15V - 600mA 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount VSON008X2020
FAN48623UC50X

FAN48623UC50X

IC REG BOOST PROG 2.5A 16WLCSP

onsemi

7,522
FAN48623UC50X

Datasheet

TinyBoost® 16-UFBGA, WLCSP Tape & Reel (TR) Active Step-Up Positive Programmable 1 2.5V Boost 5.5V 5V 5.3V 2.5A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-WLCSP (1.78x1.78)
FAN48623UC50GX

FAN48623UC50GX

IC REG BOOST PROG 2.5A 16WLCSP

onsemi

2,869
FAN48623UC50GX

Datasheet

TinyBoost® 16-UFBGA, WLCSP Tape & Reel (TR) Active Step-Up Positive Programmable 1 2.5V Boost 5.5V 5V 5.2V 2.5A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-WLCSP (1.78x1.78)
LMR33620AQ5RNXTQ1

LMR33620AQ5RNXTQ1

IC REG BUCK 5V 2A 12VQFN

Texas Instruments

698
LMR33620AQ5RNXTQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 3.8V Buck 36V 5V - 2A 400kHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
TPS54060DRCR

TPS54060DRCR

IC REG BCK SPLIT RAIL ADJ 10VSON

Texas Instruments

2,636
TPS54060DRCR

Datasheet

Eco-Mode™ 10-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck, Split Rail 60V 0.8V 58V 500mA 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-VSON (3x3)
TPS62366BYZHT

TPS62366BYZHT

IC REG BUCK ADJ 2.5A 16DSBGA

Texas Instruments

478
TPS62366BYZHT

Datasheet

DCS-Control™ 16-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 2.5V Buck 5.5V 0.5V (0.96V, 1.4V) 1.77V 2.5A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-DSBGA (2.24x2.16)
TPS62366AYZHT

TPS62366AYZHT

IC REG BUCK ADJ 2.5A 16DSBGA

Texas Instruments

420
TPS62366AYZHT

Datasheet

DCS-Control™ 16-UFBGA, DSBGA Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 2.5V Buck 5.5V 0.5V (1.16V, 1.2V) 1.77V 2.5A 2.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-DSBGA (2.24x2.16)
TPS54429PWP

TPS54429PWP

IC REG BUCK ADJ 4.5A 14HTSSOP

Texas Instruments

244
TPS54429PWP

Datasheet

SWIFT™, D-CAP2™ 14-PowerTSSOP (0.173", 4.40mm Width) Tube Active Step-Down Positive Adjustable 1 7V Buck 18V 0.76V 5.5V 4.5A 700kHz - Yes - -20°C ~ 85°C (TA) Surface Mount 14-HTSSOP
LM26003MH/NOPB

LM26003MH/NOPB

IC REG BUCK ADJ 3A 20HTSSOP

Texas Instruments

990
LM26003MH/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 - No - -40°C ~ 125°C (TJ) Surface Mount 20-HTSSOP
BU90003GWZ-E2

BU90003GWZ-E2

IC REG BUCK 1.2V 1A 6WLCSP

Rohm Semiconductor

2,295
BU90003GWZ-E2

Datasheet

- 6-XFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.2V - 1A 4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 6-WLCSP
LMR34215SC5QRNXRQ1

LMR34215SC5QRNXRQ1

IC REG BUCK 5V 1.5A 12VQFN

Texas Instruments

2,974
LMR34215SC5QRNXRQ1

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.2V Buck 42V 5V - 1.5A 2.1MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 12-VQFN-HR (3x2)
TPS55010RTET

TPS55010RTET

IC REG FLYBACK ADJ 16WQFN

Texas Instruments

440
TPS55010RTET

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 2.98V Flyback 6V 3.3V 20V - 100kHz ~ 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-WQFN (3x3)
RP506L001M-TR-K

RP506L001M-TR-K

IC REG BUCK ADJ 2A 12DFN

Nisshinbo Micro Devices Inc.

2,965
RP506L001M-TR-K

Datasheet

RP506L 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 4V 2A 1.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount DFN3030-12
RP506L001N-TR-K

RP506L001N-TR-K

IC REG BUCK ADJ 2A 12DFN

Nisshinbo Micro Devices Inc.

2,437
RP506L001N-TR-K

Datasheet

RP506L 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.8V 4V 2A 2.3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount DFN3030-12
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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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