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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
TPS55288QWRPMRQ1

TPS55288QWRPMRQ1

IC REG BUCK BST ADJ 6.35A 26VQFN

Texas Instruments

2,067
TPS55288QWRPMRQ1

Datasheet

- 26-PowerVFQFN Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable (Programmable) 1 2.7V Buck-Boost 36V 0.8V 22V 6.35A (Switch) 200kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 26-VQFN-HR (4x3.5)
MP4462DQ-LF-P

MP4462DQ-LF-P

IC REG BUCK ADJ 3.5A 10QFN

Monolithic Power Systems Inc.

1,437
MP4462DQ-LF-P

Datasheet

- 10-VFDFN 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 10-QFN (3x3)
LTC3531ES6-3#TRMPBF

LTC3531ES6-3#TRMPBF

IC REG BUCK BOOST 3.02V TSOT23-6

Analog Devices Inc.

111
LTC3531ES6-3#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 1.8V Buck-Boost 5.5V 3.02V - 200mA - - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
MAX1927REUB+T

MAX1927REUB+T

IC REG BUCK ADJ 800MA 10UMAX

Analog Devices Inc./Maxim Integrated

2,842
MAX1927REUB+T

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.6V Buck 5.5V 0.75V 5.5V 800mA 800kHz ~ 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-uMAX/uSOP
MAX25239AFFB/VY+

MAX25239AFFB/VY+

IC REG BUCK BST ADJ/3V 22FC2QFN

Analog Devices Inc./Maxim Integrated

837
MAX25239AFFB/VY+

Datasheet

- 22-PowerWFQFN Tray Active Step-Up/Step-Down Positive Adjustable (Fixed) 1 2V Buck-Boost 36V 3V (5V) 6.5V 6A 400kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 22-FC2QFN (4.25x4.25)
MPQ4436AGRE-AEC1-Z

MPQ4436AGRE-AEC1-Z

IC REG BUCK ADJ 6A 20QFN

Monolithic Power Systems Inc.

3,972
MPQ4436AGRE-AEC1-Z

Datasheet

MPQ 20-PowerVFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.3V Buck 45V 0.815V 45V 6A 470kHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 20-QFN (4x4)
LT8362EDD#WPBF

LT8362EDD#WPBF

IC REG BST SEPIC ADJ 2A 10DFN

Analog Devices Inc.

111
LT8362EDD#WPBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.8V Boost, SEPIC 60V 0.8V 60V (Switch) 2A (Switch) 300kHz ~ 2MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT8604CAV#TRPBF

LT8604CAV#TRPBF

IC REG BUCK ADJ 120MA 12LQFN

Analog Devices Inc.

4,925
LT8604CAV#TRPBF

Datasheet

- 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.9V Buck 42V 0.778V 42V 120mA 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x2)
LTC3401EMS#PBF

LTC3401EMS#PBF

IC REG BOOST ADJ 1A 10MSOP

Analog Devices Inc.

8,060
LTC3401EMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable 1 0.5V Boost 5.5V 2.6V 5.5V 1A (Switch) 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-MSOP
LTC3525ISC6-3.3#TRMPBF

LTC3525ISC6-3.3#TRMPBF

IC REG BOOST 3.3V 140MA SC70-6

Analog Devices Inc.

2,299
LTC3525ISC6-3.3#TRMPBF

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 1V Boost 4.5V 3.3V - 140mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount SC-70-6
LTC3525ISC6-5#TRMPBF

LTC3525ISC6-5#TRMPBF

IC REG BOOST 5V 175MA SC70-6

Analog Devices Inc.

317
LTC3525ISC6-5#TRMPBF

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 1V Boost 4.5V 5V - 175mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount SC-70-6
LT3001IS5#TRMPBF

LT3001IS5#TRMPBF

IC REG FLYBACK 5V 1.2A TSOT23-5

Analog Devices Inc.

259
LT3001IS5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 4V Flyback 36V 5V - 1.2A 10kHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
LT8338JMSE#PBF

LT8338JMSE#PBF

IC REG BOOST ADJ 1.2A 10MSOP

Analog Devices Inc.

4,670
LT8338JMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up Positive Adjustable 1 3V Boost 40V 1V 40V 1.2A 300kHz ~ 3MHz AEC-Q100 Yes Automotive -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LTC3447EDD#PBF

LTC3447EDD#PBF

IC REG BUCK ADJ 600MA 10DFN

Analog Devices Inc.

2,943
LTC3447EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.69V 2.05V 600mA 160kHz ~ 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
LT1944-1EMS#PBF

LT1944-1EMS#PBF

IC REG BOOST ADJ DL 10MSOP

Analog Devices Inc.

376
LT1944-1EMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable 2 1.2V Boost 15V 1.23V 34V 60mA (Switch), 130mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 10-MSOP
LTC3561AIDD#PBF

LTC3561AIDD#PBF

IC REG BUCK ADJ 1A 8DFN

Analog Devices Inc.

309
LTC3561AIDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.8V 5V 1A 2.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
MAX17505SATP+

MAX17505SATP+

IC REG BUCK ADJ 20TQFN

Analog Devices Inc./Maxim Integrated

261
MAX17505SATP+

Datasheet

Himalaya 20-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V - 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (4x4)
LTC3565EDD#PBF

LTC3565EDD#PBF

IC REG BUCK ADJ 1.25A 10DFN

Analog Devices Inc.

144
LTC3565EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1.25A Up to 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LTC3315AIV#TRPBF

LTC3315AIV#TRPBF

IC REG BUCK 0.5V 2A DL 12LQFN

Analog Devices Inc.

4,864
LTC3315AIV#TRPBF

Datasheet

- 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 2 2.25V Buck 5.5V 0.5V 5.5V 2A 1MHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x2)
LT1617ES5-1#TRPBF

LT1617ES5-1#TRPBF

IC REG CUK ADJ 75MA TSOT23-5

Analog Devices Inc.

2,075
LT1617ES5-1#TRPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Negative Adjustable 1 1V Cuk 15V -1V -34V 75mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
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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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