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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
RP509Z182B-E2-F

RP509Z182B-E2-F

IC REG BUCK 1.8V 500MA 6WLCSP

Nisshinbo Micro Devices Inc.

14,473
RP509Z182B-E2-F

Datasheet

RP509x 6-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 1.8V - 500mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount WLCSP-6-P6
RP509Z002D-E2-F

RP509Z002D-E2-F

IC REG BUCK ADJ 500MA 6WLCSP

Nisshinbo Micro Devices Inc.

11,834
RP509Z002D-E2-F

Datasheet

RP509x 6-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.3V Buck 5.5V 0.6V 5.5V 500mA 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount WLCSP-6-P6
RP509Z331B-E2-F

RP509Z331B-E2-F

IC REG BUCK 3.3V 1A 6WLCSP

Nisshinbo Micro Devices Inc.

7,521
RP509Z331B-E2-F

Datasheet

RP509x 6-WFBGA, WLCSP Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.3V Buck 5.5V 3.3V - 1A 6MHz - Yes - -40°C ~ 85°C (TA) Surface Mount WLCSP-6-P6
PAM2305DGFADJ

PAM2305DGFADJ

IC REG BUCK ADJ 1A 6DFN

Diodes Incorporated

8,264
PAM2305DGFADJ

Datasheet

- 6-WDFN 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 ~ 85°C (TA) Surface Mount 6-DFN (2x2)
MCP1640CT-I/MC

MCP1640CT-I/MC

IC REG BOOST ADJ 350MA 8DFN

Microchip Technology

4,365
MCP1640CT-I/MC

Datasheet

- 8-VFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.8V Boost 5.5V 2V 5.5V 350mA 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x3)
RN5RK331A-TR-FE

RN5RK331A-TR-FE

IC REG BOOST 3.3V SOT23-5

Nisshinbo Micro Devices Inc.

3,315
RN5RK331A-TR-FE

Datasheet

RN5RK SC-74A, SOT-753 Tape & Reel (TR) Active Step-Up Positive Fixed 1 - Boost 8V 3.3V - - 100kHz - No - -40°C ~ 85°C Surface Mount SOT-23-5
TPS563231DRLT

TPS563231DRLT

IC REG BUCK ADJ 3A SOT563

Texas Instruments

5,497
TPS563231DRLT

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 17V 0.6V 7V 3A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-563
AP61102QZ6-7

AP61102QZ6-7

IC REG BUCK ADJ 1A SOT563

Diodes Incorporated

10,047
AP61102QZ6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.3V Buck 5.5V 0.6V 3.6V 1A 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount SOT-563
TLV62568DBVT

TLV62568DBVT

IC REG BUCK ADJ 1A SOT23-5

Texas Instruments

6,023
TLV62568DBVT

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-23-5
TLV62568ADRLT

TLV62568ADRLT

IC REG BUCK ADJ 1A SOT5X3

Texas Instruments

1,962
TLV62568ADRLT

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-5X3
TLV62568APDRLT

TLV62568APDRLT

IC REG BUCK ADJ 1A SOT5X3

Texas Instruments

1,617
TLV62568APDRLT

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-5X3
AOZ2262AQI-15

AOZ2262AQI-15

IC REG BUCK ADJ 10A 22QFN

Alpha & Omega Semiconductor Inc.

13,688
AOZ2262AQI-15

Datasheet

EZBuck™ 22-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 28V 0.8V 23.8V 10A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 22-QFN (4x4)
TLV62568PDRLT

TLV62568PDRLT

IC REG BUCK ADJ 1A SOT5X3

Texas Instruments

1,795
TLV62568PDRLT

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-5X3
TLV62568DRLT

TLV62568DRLT

IC REG BUCK ADJ 1A SOT5X3

Texas Instruments

9,211
TLV62568DRLT

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1A 1.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-5X3
TLV62568PDDCT

TLV62568PDDCT

IC REG BUCK ADJ 1A SOT23

Texas Instruments

69,911
TLV62568PDDCT

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 ~ 125°C (TJ) Surface Mount SOT-23-THIN
AP61300QZ6-7

AP61300QZ6-7

IC REG BUCK ADJ 3A SOT563

Diodes Incorporated

4,548
AP61300QZ6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.6V 5.5V 3A 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount SOT-563
RT5752AHGJ6

RT5752AHGJ6

IC REG BUCK ADJ 2A TSOT23-6

Richtek USA Inc.

4,287
RT5752AHGJ6

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 6V 0.6V 6V 2A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
AP61302QZ6-7

AP61302QZ6-7

IC REG BUCK ADJ 3A SOT563

Diodes Incorporated

3,321
AP61302QZ6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 5.5V 0.6V 5.5V 3A 2.2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount SOT-563
TPS51383RJNR

TPS51383RJNR

IC REG BUCK 3.36V 8A 12VQFN

Texas Instruments

2,083
TPS51383RJNR

Datasheet

- 12-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 24V 3.36V - 8A 600kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-VQFN-HR (3x2)
MIC2876-5.25YMT-TR

MIC2876-5.25YMT-TR

IC REG BOOST 5.25V 3.8A 8TDFN

Microchip Technology

3,820
MIC2876-5.25YMT-TR

Datasheet

- 8-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.5V Boost 5.5V 5.25V - 3.8A (Switch) 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-TDFN (2x2)
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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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