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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
LT3990IMSE#PBF

LT3990IMSE#PBF

IC REG BUCK ADJ 350MA 16MSOP

Analog Devices Inc.

1,659
LT3990IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.2V Buck 62V 1.21V 25V 350mA 210kHz ~ 2.3MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
ADP5076ACBZ-R7

ADP5076ACBZ-R7

IC REG BOOST ADJ DL 20WLCSP

Analog Devices Inc.

2,619
ADP5076ACBZ-R7

Datasheet

- 20-UFBGA, WLCSP Tape & Reel (TR) Active Step-Up Positive and Negative Adjustable 2 2.85V Boost 5.5V 0.8V 35V, -30V 2A (Switch), 1.2A (Switch) 1.2MHz, 2.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-WLCSP (1.61x2.18)
LTC3309AIV#TRMPBF

LTC3309AIV#TRMPBF

IC REG BUCK PROG 6A 12LQFN

Analog Devices Inc.

2,604
LTC3309AIV#TRMPBF

Datasheet

Silent Switcher®1 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.25V Buck 5.5V 0.5V 2.25V 6A Up to 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x2)
MAX1836EUT50+T

MAX1836EUT50+T

IC REG BUCK 5V 125MA SOT6

Analog Devices Inc./Maxim Integrated

2,530
MAX1836EUT50+T

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Down Positive Fixed 1 4.5V Buck 24V 5V - 125mA - - No - -40°C ~ 85°C (TA) Surface Mount SOT-6
TPS54910PWP

TPS54910PWP

IC REG BUCK ADJ 9A 28HTSSOP

Texas Instruments

640
TPS54910PWP

Datasheet

SWIFT™ 28-PowerTSSOP (0.173", 4.40mm Width) Bulk Last Time Buy Step-Down Positive Adjustable 1 3V Buck 4V 0.891V 2.5V 9A 350kHz, 550kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-HTSSOP
ADM8660ARZ-REEL

ADM8660ARZ-REEL

IC REG CHARGE PUMP 100MA 8SOIC

Analog Devices Inc.

2,558
ADM8660ARZ-REEL

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Negative Fixed 1 1.5V Charge Pump 7V -Vin - 100mA 25kHz, 120kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MAX1833EUT+T

MAX1833EUT+T

IC REG BOOST 3.3V 150MA SOT6

Analog Devices Inc./Maxim Integrated

2,135
MAX1833EUT+T

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up Positive Fixed 1 1.5V Boost 5.5V 3.3V - 150mA - - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-6
LT1307BCS8#PBF

LT1307BCS8#PBF

IC REG BOOST ADJ 600MA 8SO

Analog Devices Inc.

2,022
LT1307BCS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Adjustable 1 1V Boost 5V 1.22V 30V (Switch) 600mA (Switch) 600kHz - No - -20°C ~ 70°C (TA) Surface Mount 8-SO
LTC3499BEDD#PBF

LTC3499BEDD#PBF

IC REG BOOST ADJ 750MA 8DFN

Analog Devices Inc.

683
LTC3499BEDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2V 6V 750mA (Switch) 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (3x3)
ADM8660ARZ

ADM8660ARZ

IC REG CHARGE PUMP 100MA 8SOIC

Analog Devices Inc.

536
ADM8660ARZ

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Negative Fixed 1 1.5V Charge Pump 7V -Vin - 100mA 25kHz, 120kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC1707CS8#PBF

LTC1707CS8#PBF

IC REG BUCK ADJ 600MA 8SO

Analog Devices Inc.

346
LTC1707CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 2.85V Buck 8.5V 0.8V 8.5V 600mA 35kHz ~ 350kHz - Yes - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1307CS8#PBF

LT1307CS8#PBF

IC REG BOOST ADJ 600MA 8SO

Analog Devices Inc.

265
LT1307CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Adjustable 1 1V Boost 5V 1.22V 30V (Switch) 600mA (Switch) 600kHz - No - -20°C ~ 70°C (TA) Surface Mount 8-SO
LTC3419IMS#PBF

LTC3419IMS#PBF

IC REG BUCK ADJ 600MA DL 10MSOP

Analog Devices Inc.

3,544
LTC3419IMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5.5V 600mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LM22677QTJE-ADJ/NOPB

LM22677QTJE-ADJ/NOPB

IC REG BUCK ADJ 5A TO263-7

Texas Instruments

866
LM22677QTJE-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-7 Thin Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 1.285V 37V 5A 500kHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount TO-263-7 Thin
LT8361IMSE#PBF

LT8361IMSE#PBF

IC REG BST SEPIC ADJ 2A 16MSOP

Analog Devices Inc.

997
LT8361IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube 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
LTC3388EMSE-3#PBF

LTC3388EMSE-3#PBF

IC REG BUCK PROG 50MA 10MSOP

Analog Devices Inc.

10,064
LTC3388EMSE-3#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Programmable 1 2.7V Buck 20V 2.8V, 3V, 3.3V, 5V - 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC3544BEUD#PBF

LTC3544BEUD#PBF

IC REG BUCK ADJ QUAD 16QFN

Analog Devices Inc.

6,282
LTC3544BEUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 4 2.25V Buck 5.5V 0.8V 5.5V 100mA, 200mA(2), 300mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (3x3)
LT8331EMSE#PBF

LT8331EMSE#PBF

IC REG BOOST FLYBACK ADJ 16MSOP

Analog Devices Inc.

6,222
LT8331EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 4.5V Boost, Flyback, SEPIC 100V 1.6V, -0.8V 140V (Switch) 500mA (Switch) 100kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3684EDD#PBF

LT3684EDD#PBF

IC REG BUCK ADJ 2A 10DFN

Analog Devices Inc.

3,288
LT3684EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 34V 1.265V 20V 2A 300kHz ~ 3MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
MAX619CSA+

MAX619CSA+

IC REG CHARGE PUMP 5V 50MA 8SOIC

Analog Devices Inc./Maxim Integrated

731
MAX619CSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Fixed 1 2V Charge Pump 3.6V 5V - 50mA 500kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
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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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