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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
MAX17505ATP+T

MAX17505ATP+T

IC REG BUCK ADJ 1.7A 20TQFN

Analog Devices Inc./Maxim Integrated

3,493
MAX17505ATP+T

Datasheet

Himalaya 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 1.7A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (4x4)
MAX17544ATP+

MAX17544ATP+

IC REG BUCK ADJ 3.5A 20TQFN

Analog Devices Inc./Maxim Integrated

2,507
MAX17544ATP+

Datasheet

Himalaya 20-WQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.9V 37.8V 3.5A 100kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (5x5)
LT8365EMSE#TRPBF

LT8365EMSE#TRPBF

IC REG BST SEPIC TRAN DRV 16MSOP

Analog Devices Inc.

1,940
LT8365EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Transistor Driver 1 2.8V Boost, SEPIC 60V - 150V (Switch) 1.5A (Switch) 100kHz ~ 500kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
MAX828EUK+T

MAX828EUK+T

IC REG CHARGE PUMP 25MA SOT23-5

Analog Devices Inc./Maxim Integrated

336
MAX828EUK+T

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Ratiometric Negative Fixed 1 1.5V Charge Pump 5.5V -Vin - 25mA 12kHz - No - -40°C ~ 85°C (TA) Surface Mount SOT-23-5
LT1933ES6#TRPBF

LT1933ES6#TRPBF

IC REG BUCK ADJ 600MA TSOT23-6

Analog Devices Inc.

13,047
LT1933ES6#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 1.245V 33.84V 600mA 500kHz - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-6
ADM660ARZ-REEL

ADM660ARZ-REEL

IC REG CHRG PUMP INV 100MA 8SOIC

Analog Devices Inc.

8,507
ADM660ARZ-REEL

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 7V -Vin, 2Vin - 100mA 25kHz, 120kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LT1933ES6#TRMPBF

LT1933ES6#TRMPBF

IC REG BUCK ADJ 600MA TSOT23-6

Analog Devices Inc.

6,621
LT1933ES6#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 1.245V 33.84V 600mA 500kHz - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-6
MAX1837EUT33+T

MAX1837EUT33+T

IC REG BUCK 3.3V 250MA SOT6

Analog Devices Inc./Maxim Integrated

2,553
MAX1837EUT33+T

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 24V 3.3V - 250mA - - No - -40°C ~ 85°C (TA) Surface Mount SOT-6
ADM660ARZ-REEL7

ADM660ARZ-REEL7

IC REG CHRG PUMP INV 100MA 8SOIC

Analog Devices Inc.

1,399
ADM660ARZ-REEL7

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 7V -Vin, 2Vin - 100mA 25kHz, 120kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
ADM660ARZ

ADM660ARZ

IC REG CHRG PUMP INV 100MA 8SOIC

Analog Devices Inc.

1,361
ADM660ARZ

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 7V -Vin, 2Vin - 100mA 25kHz, 120kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC3251EMSE#PBF

LTC3251EMSE#PBF

IC REG CHG PUMP ADJ 500MA 10MSOP

Analog Devices Inc.

538
LTC3251EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.7V Charge Pump 5.5V 0.9V 1.6V 500mA 1MHz ~ 1.6MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-MSOP-EP
MAX1797EUA+

MAX1797EUA+

IC REG BOOST ADJ 800MA 8UMAX

Analog Devices Inc./Maxim Integrated

434
MAX1797EUA+

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube 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
LT3999EDD#TRPBF

LT3999EDD#TRPBF

IC REG PUSH-PULL ADJ 1A 10DFN

Analog Devices Inc.

12,997
LT3999EDD#TRPBF

Datasheet

- 10-WFDFN 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-DFN (3x3)
LT3999EMSE#PBF

LT3999EMSE#PBF

IC REG PUSH-PULL ADJ 1A 10MSOP

Analog Devices Inc.

6,931
LT3999EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube 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
LT3999EMSE#TRPBF

LT3999EMSE#TRPBF

IC REG PUSH-PULL ADJ 1A 10MSOP

Analog Devices Inc.

2,450
LT3999EMSE#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
MAX17503ATP+T

MAX17503ATP+T

IC REG BUCK ADJ 2.5A 20TQFN

Analog Devices Inc./Maxim Integrated

3,680
MAX17503ATP+T

Datasheet

Himalaya 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 2.5A 100kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (4x4)
MAX17503SATP+

MAX17503SATP+

IC REG BUCK ADJ 2.5A 20TQFN

Analog Devices Inc./Maxim Integrated

3,182
MAX17503SATP+

Datasheet

Himalaya 20-WFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 2.5A 100kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (4x4)
LT8361IMSE#TRPBF

LT8361IMSE#TRPBF

IC REG BST SEPIC ADJ 2A 16MSOP

Analog Devices Inc.

2,199
LT8361IMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.8V Boost, SEPIC 60V - 100V (Switch) 2A (Switch) 300kHz ~ 2MHz - - - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8364IDE#PBF

LT8364IDE#PBF

IC REG BOOST SEPIC 4A 12DFN

Analog Devices Inc.

1,395
LT8364IDE#PBF

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Up Positive Fixed 1 2.8V Boost, SEPIC 60V - 60V (Switch) 4A (Switch) 2MHz - - - -40°C ~ 125°C (TJ) Surface Mount 12-DFN (4x3)
LTC3631EDD#PBF

LTC3631EDD#PBF

IC REG BUCK ADJ 100MA 8DFN

Analog Devices Inc.

18,456
LTC3631EDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive or Negative Adjustable 1 4.5V Buck 45V 0.8V 45V 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
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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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