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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
TPS548D22RVFR

TPS548D22RVFR

IC REG BUCK ADJ 40A 40LQFN

Texas Instruments

849
TPS548D22RVFR

Datasheet

SWIFT™, D-CAP3™, Eco-Mode™ 40-PowerLFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 16V 0.6V 5.5V 40A Selectable - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-LQFN-CLIP (7x5)
ICL7662CBA+T

ICL7662CBA+T

IC REG CHARGE PUMP 8SOIC

Analog Devices Inc./Maxim Integrated

2,586
ICL7662CBA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Negative Fixed 1 4.5V Charge Pump 20V -Vin - - 10kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
LTC3103EMSE#TRPBF

LTC3103EMSE#TRPBF

IC REG BUCK ADJ 300MA 10MSOP

Analog Devices Inc.

13,596
LTC3103EMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) 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
LT3470AEDDB#TRPBF

LT3470AEDDB#TRPBF

IC REG BUCK ADJ 250MA 8DFN

Analog Devices Inc.

12,688
LT3470AEDDB#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 1.25V 16V 250mA - - No - 0°C ~ 85°C (TA) Surface Mount 8-DFN (3x2)
LTC3632EMS8E#PBF

LTC3632EMS8E#PBF

IC REG BUCK ADJ 20MA 8MSOP

Analog Devices Inc.

1,964
LTC3632EMS8E#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive or Negative Adjustable 1 4.5V Buck 50V 0.8V 50V 20mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LTC3632EDD#PBF

LTC3632EDD#PBF

IC REG BUCK ADJ 20MA 8DFN

Analog Devices Inc.

1,386
LTC3632EDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive or Negative Adjustable 1 4.5V Buck 50V 0.8V 50V 20mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LT3470AEDDB#TRMPBF

LT3470AEDDB#TRMPBF

IC REG BUCK ADJ 250MA 8DFN

Analog Devices Inc.

272
LT3470AEDDB#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 1.25V 16V 250mA - - No - 0°C ~ 85°C (TA) Surface Mount 8-DFN (3x2)
LT1934ES6-1#TRMPBF

LT1934ES6-1#TRMPBF

IC REG BUCK ADJ 60MA TSOT23-6

Analog Devices Inc.

1,097
LT1934ES6-1#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.2V Buck 34V 1.25V 29.92V 60mA - - No - 0°C ~ 85°C (TA) Surface Mount TSOT-23-6
LT3502AIMS#PBF

LT3502AIMS#PBF

IC REG BUCK ADJ 500MA 10MSOP

Analog Devices Inc.

433
LT3502AIMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 3V Buck 40V 0.8V 32V 500mA 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LT3999IMSE#TRPBF

LT3999IMSE#TRPBF

IC REG PUSH-PULL ADJ 1A 10MSOP

Analog Devices Inc.

1,885
LT3999IMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive, Isolation Capable Adjustable 1 2.7V Push-Pull 36V - - 1A 50kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT1933IDCB#TRMPBF

LT1933IDCB#TRMPBF

IC REG BUCK ADJ 600MA 6DFN

Analog Devices Inc.

722
LT1933IDCB#TRMPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 1.245V 33.84V 600mA 500kHz - No - -40°C ~ 125°C (TA) Surface Mount 6-DFN (2x3)
MAX680CSA+

MAX680CSA+

IC REG CHARGE PUMP 2VIN DL 8SOIC

Analog Devices Inc./Maxim Integrated

372
MAX680CSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive and Negative (Dual Rail) Fixed 2 2V Charge Pump 6V ±2Vin - 10mA 8kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
LT8570IMS8E#PBF

LT8570IMS8E#PBF

IC REG BOOST CUK ADJ 750MA 8MSOP

Analog Devices Inc.

2,355
LT8570IMS8E#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.55V Boost, Cuk, SEPIC 40V 0.003V, 1.204V 65V (Switch) 750mA (Switch) 200kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
MAX1836EUT33+T

MAX1836EUT33+T

IC REG BUCK 3.3V 125MA SOT6

Analog Devices Inc./Maxim Integrated

2,237
MAX1836EUT33+T

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 24V 3.3V - 125mA - - No - -40°C ~ 85°C (TA) Surface Mount SOT-6
LTC1627CS8#PBF

LTC1627CS8#PBF

IC REG BUCK ADJ 500MA 8SO

Analog Devices Inc.

651
LTC1627CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 2.65V Buck 8.5V 0.8V 8.5V 500mA 35kHz ~ 350kHz - Yes - 0°C ~ 70°C (TA) Surface Mount 8-SO
MP8796GVT-P

MP8796GVT-P

IC REG BUCK ADJ 30A 25TQFN

Monolithic Power Systems Inc.

455
MP8796GVT-P

Datasheet

- 25-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 16V 0.6V 6V 30A 400kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 25-TQFN (4x5)
MAX38890AATE+

MAX38890AATE+

IC REG

Analog Devices Inc./Maxim Integrated

1,213
MAX38890AATE+

Datasheet

- - Tray Active - - - - - - - - - - - - - - - - -
MAX1797EUA+T

MAX1797EUA+T

IC REG BOOST ADJ 800MA 8UMAX

Analog Devices Inc./Maxim Integrated

10,686
MAX1797EUA+T

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up Positive Adjustable (Programmable) 1 1V Boost 5.5V 2V (3.3V, 5V) 5.5V 800mA (Switch) 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-uMAX/uSOP
TPS543C20ARVFR

TPS543C20ARVFR

IC REG BUCK ADJ 40A 40LQFN

Texas Instruments

2,783
TPS543C20ARVFR

Datasheet

SWIFT™ 40-PowerLFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 16V 0.6V 5.5V 40A 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-LQFN-CLIP (7x5)
LT8330ES6#TRPBF

LT8330ES6#TRPBF

IC REG BST SEPIC ADJ 1A TSOT23-6

Analog Devices Inc.

1,345
LT8330ES6#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Boost, SEPIC 40V 1.6V, -0.8V 60V (Switch) 1A 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-6
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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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