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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
LM22678TJE-5.0/NOPB

LM22678TJE-5.0/NOPB

IC REG BUCK 5V 5A TO263-7

Texas Instruments

3,301
LM22678TJE-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-7 Thin Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 42V 5V - 5A 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263-7 Thin
LTC3240EDC-3.3#TRMPBF

LTC3240EDC-3.3#TRMPBF

IC REG CHRG PUMP 3.3V 150MA 6DFN

Analog Devices Inc.

12,642
LTC3240EDC-3.3#TRMPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 1.8V Charge Pump 5.5V 3.3V - 150mA 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x2)
LTC3525ESC6-3#TRMPBF

LTC3525ESC6-3#TRMPBF

IC REG BOOST 3V 65MA SC70-6

Analog Devices Inc.

6,329
LTC3525ESC6-3#TRMPBF

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 1V Boost 4.5V 3V - 65mA - - Yes - -40°C ~ 85°C (TA) Surface Mount SC-70-6
ADP2504ACPZ-5.0-R7

ADP2504ACPZ-5.0-R7

IC REG BUCK BOOST 5V 1A 10LFCSP

Analog Devices Inc.

3,728
ADP2504ACPZ-5.0-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.3V Buck-Boost 5.5V 5V - 1A 2.5MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 10-LFCSP-WD (3x3)
LTC1754ES6-5#TRPBF

LTC1754ES6-5#TRPBF

IC REG CHRG PUMP 5V 50MA TSOT23

Analog Devices Inc.

3,726
LTC1754ES6-5#TRPBF

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.7V Charge Pump 5V 5V - 50mA 700kHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
MPQ8632GLE-12-P

MPQ8632GLE-12-P

IC REG BUCK ADJ 12A 16QFN

Monolithic Power Systems Inc.

3,583
MPQ8632GLE-12-P

Datasheet

- 16-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.611V 13V 12A 200kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x4)
ADP2384ACPZN-R7

ADP2384ACPZN-R7

IC REG BUCK ADJ 4A 24LFCSP

Analog Devices Inc.

3,363
ADP2384ACPZN-R7

Datasheet

- 24-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 20V 0.6V 18V 4A 200kHz ~ 1.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-LFCSP (4x4)
ADP2504ACPZ-R7

ADP2504ACPZ-R7

IC REG BUCK BOOST ADJ 1A 10LFCSP

Analog Devices Inc.

2,163
ADP2504ACPZ-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.3V Buck-Boost 5.5V 2.8V 5.5V 1A 2.5MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 10-LFCSP-WD (3x3)
LTC3221EDC-3.3#TRMPBF

LTC3221EDC-3.3#TRMPBF

IC REG CHARG PUMP 3.3V 60MA 6DFN

Analog Devices Inc.

1,835
LTC3221EDC-3.3#TRMPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 1.8V Charge Pump 4.4V 3.3V - 60mA 600kHz - No - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x2)
MPQ8633AGLE-P

MPQ8633AGLE-P

IC REG BUCK ADJ 12A 21QFN

Monolithic Power Systems Inc.

381
MPQ8633AGLE-P

Datasheet

- 21-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 16V 0.6V 5.5V 12A 600kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 21-QFN (3x4)
LTC3240EDC-3.3#TRPBF

LTC3240EDC-3.3#TRPBF

IC REG CHRG PUMP 3.3V 150MA 6DFN

Analog Devices Inc.

339
LTC3240EDC-3.3#TRPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 1.8V Charge Pump 5.5V 3.3V - 150mA 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x2)
TPS62737RGYT

TPS62737RGYT

IC REG BUCK PROG 200MA 14VQFN

Texas Instruments

6,237
TPS62737RGYT

Datasheet

- 14-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable 1 2V Buck 5.5V 1.3V 5V 200mA 2MHz - Yes - -20°C ~ 85°C (TA) Surface Mount 14-VQFN (3.5x3.5)
MP4462DN-LF-Z

MP4462DN-LF-Z

IC REG BUCK ADJ 3.5A 8SOICE

Monolithic Power Systems Inc.

1,067
MP4462DN-LF-Z

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.8V Buck 36V 0.8V 30V 3.5A Up to 4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOICE
LTC3103EMSE#PBF

LTC3103EMSE#PBF

IC REG BUCK ADJ 300MA 10MSOP

Analog Devices Inc.

8,180
LTC3103EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.5V Buck 15V 0.6V 13.8V 300mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC3308AEV#TRMPBF

LTC3308AEV#TRMPBF

IC REG BUCK ADJ 4A 12LQFN

Analog Devices Inc.

974
LTC3308AEV#TRMPBF

Datasheet

Silent Switcher®1 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.5V 5.5V 4A 1MHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x2)
LT8362EDD#PBF

LT8362EDD#PBF

IC REG BOOST SEPIC 2A 10DFN

Analog Devices Inc.

573
LT8362EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Up Positive Fixed 1 2.8V Boost, SEPIC 60V - 60V (Switch) 2A (Switch) 300kHz ~ 2MHz - - - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT1618EDD#PBF

LT1618EDD#PBF

IC REG BOOST ADJ 1.5A 10DFN

Analog Devices Inc.

448
LT1618EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 1.6V Boost 18V 1.263V 36V (Switch) 1.5A (Switch) 1.4MHz - No - 0°C ~ 70°C (TA) Surface Mount 10-DFN (3x3)
MAX864EEE+T

MAX864EEE+T

IC REG CHARGE PUMP INV DL 16QSOP

Analog Devices Inc./Maxim Integrated

2,947
MAX864EEE+T

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 2 1.75V Charge Pump 6V -Vin, 2Vin - 35mA 185kHz - No - -40°C ~ 85°C (TA) Surface Mount 16-QSOP
LTC3405AES6-1.8#TRMPBF

LTC3405AES6-1.8#TRMPBF

IC REG BUCK 1.8V 300MA TSOT23-6

Analog Devices Inc.

396
LTC3405AES6-1.8#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.8V - 300mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
LT8364HMSE#PBF

LT8364HMSE#PBF

IC REG BOOST SEPIC 4A 16MSOP

Analog Devices Inc.

1,153
LT8364HMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Up Positive Fixed 1 2.8V Boost, SEPIC 60V - 60V (Switch) 4A (Switch) 2MHz - - - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
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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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