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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
MAX16907RATE/V+

MAX16907RATE/V+

IC REG BUCK ADJ/1V 3A 16TQFN

Analog Devices Inc./Maxim Integrated

778
MAX16907RATE/V+

Datasheet

- 16-WQFN Exposed Pad Tube Active Step-Down Positive Adjustable (Fixed) 1 3.5V Buck 36V 1V (5V) 10V 3A 2.2MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 16-TQFN (5x5)
LTC3400BES6#TRMPBF

LTC3400BES6#TRMPBF

IC REG BOOST ADJ 600MA TSOT23-6

Analog Devices Inc.

5,455
LTC3400BES6#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.5V Boost 6V 2.5V 5V 600mA (Switch) 1.2MHz - No - -30°C ~ 85°C (TA) Surface Mount TSOT-23-6
LTC3429ES6#TRPBF

LTC3429ES6#TRPBF

IC REG BOOST ADJ 600MA TSOT23-6

Analog Devices Inc.

4,237
LTC3429ES6#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.5V Boost 4.4V 2.5V 4.3V 600mA (Switch) 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
LTC3406BES5#TRMPBF

LTC3406BES5#TRMPBF

IC REG BUCK ADJ 600MA TSOT23-5

Analog Devices Inc.

2,602
LTC3406BES5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 600mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
LTC3406ES5-1.8#TRMPBF

LTC3406ES5-1.8#TRMPBF

IC REG BUCK 1.8V 600MA TSOT23-5

Analog Devices Inc.

1,291
LTC3406ES5-1.8#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Fixed 1 2.5V Buck 5.5V 1.8V - 600mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
LTC3429BES6#TRMPBF

LTC3429BES6#TRMPBF

IC REG BOOST ADJ 600MA TSOT23-6

Analog Devices Inc.

604
LTC3429BES6#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.5V Boost 4.4V 2.5V 4.3V 600mA (Switch) 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
TPS56121DQPT

TPS56121DQPT

IC REG BUCK ADJ 15A 22LSON-CLIP

Texas Instruments

113
TPS56121DQPT

Datasheet

SWIFT™ 22-PowerLFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 14V 0.6V 13.02V 15A 300kHz, 500kHz, 950kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 22-LSON-CLIP (6x5)
FAN65004B

FAN65004B

IC REG BUCK ADJ 6A 35PQFN

onsemi

3,145
FAN65004B

Datasheet

- 35-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 65V 0.6V 32.5V 6A 100kHz ~ 1MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 35-PQFN (6x6)
MAX889SESA+T

MAX889SESA+T

IC REG CHRG PUMP ADJ 200MA 8SOIC

Analog Devices Inc./Maxim Integrated

3,318
MAX889SESA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Negative Adjustable 1 2.7V Charge Pump 5.5V -2.5V -5.5V 200mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MAX889RESA+

MAX889RESA+

IC REG CHRG PUMP ADJ 200MA 8SOIC

Analog Devices Inc./Maxim Integrated

1,058
MAX889RESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Negative Adjustable 1 2.7V Charge Pump 5.5V -2.5V -5.5V 200mA 500kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MAX889SESA+

MAX889SESA+

IC REG CHRG PUMP ADJ 200MA 8SOIC

Analog Devices Inc./Maxim Integrated

2,613
MAX889SESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Negative Adjustable 1 2.7V Charge Pump 5.5V -2.5V -5.5V 200mA 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LT3473EDD#TRPBF

LT3473EDD#TRPBF

IC REG BOOST ADJ 1.2A 8DFN

Analog Devices Inc.

9,111
LT3473EDD#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.2V Boost 16V 1.25V 34V 1.2A (Switch) 1.2MHz - No - 0°C ~ 70°C (TA) Surface Mount 8-DFN (3x3)
LT3473EDD#PBF

LT3473EDD#PBF

IC REG BOOST ADJ 1.2A 8DFN

Analog Devices Inc.

7,739
LT3473EDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 2.2V Boost 16V 1.25V 34V 1.2A (Switch) 1.2MHz - No - 0°C ~ 70°C (TA) Surface Mount 8-DFN (3x3)
LTC3203BEDD#PBF

LTC3203BEDD#PBF

IC REG CHRG PUMP ADJ 500MA 10DFN

Analog Devices Inc.

1,489
LTC3203BEDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 2.7V Charge Pump 5.5V 0.91V 5V 500mA 900kHz, 1MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
MAX829EUK+T

MAX829EUK+T

IC REG CHARGE PUMP INV SOT23-5

Analog Devices Inc./Maxim Integrated

3,899
MAX829EUK+T

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 5.5V -Vin, 2Vin - 25mA 35kHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
LT1930ES5#TRMPBF

LT1930ES5#TRMPBF

IC REG BST FLYBACK ADJ TSOT23-5

Analog Devices Inc.

11,592
LT1930ES5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.45V Boost, Flyback, SEPIC 16V 2.45V 36V (Switch) 1A (Switch) 1.2MHz - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
LT1930AES5#TRMPBF

LT1930AES5#TRMPBF

IC REG BST FLYBACK ADJ TSOT23-5

Analog Devices Inc.

4,067
LT1930AES5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.45V Boost, Flyback, SEPIC 16V 2.45V 36V (Switch) 1A (Switch) 2.2MHz - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
LT1931IS5#TRPBF

LT1931IS5#TRPBF

IC REG CUK ADJ 1A TSOT23-5

Analog Devices Inc.

3,972
LT1931IS5#TRPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up/Step-Down Negative Adjustable 1 2.45V Cuk 16V -1.255V -34V 1A (Switch) 1.2MHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
LT1930ES5#TRPBF

LT1930ES5#TRPBF

IC REG BST FLYBACK ADJ TSOT23-5

Analog Devices Inc.

3,895
LT1930ES5#TRPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.45V Boost, Flyback, SEPIC 16V 2.45V 36V (Switch) 1A (Switch) 1.2MHz - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
MAX17504ATP+T

MAX17504ATP+T

IC REG BUCK ADJ 3.5A 20TQFN

Analog Devices Inc./Maxim Integrated

3,366
MAX17504ATP+T

Datasheet

Himalaya 20-WQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (5x5)
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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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