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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
TPS84A20RVQR

TPS84A20RVQR

IC REG BUCK ADJ 10A 42B3QFN

Texas Instruments

687
TPS84A20RVQR

Datasheet

Eco-Mode™ 42-BQFN Module Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.95V Buck 17V 0.6V 5.5V 10A 200kHz ~ 1.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 42-B3QFN (10x10)
MAX8566ETJ+

MAX8566ETJ+

IC REG BUCK ADJ 10A 32TQFN

Analog Devices Inc./Maxim Integrated

4,860
MAX8566ETJ+

Datasheet

- 32-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.3V Buck 3.6V 0.6V 3.13V 10A 250kHz ~ 4.2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 32-TQFN (5x5)
LT1371ISW#PBF

LT1371ISW#PBF

IC REG BUCK BOOST ADJ 3A 20SO

Analog Devices Inc.

2,810
LT1371ISW#PBF

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 2.7V Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC 30V 1.245V 35V (Switch) 3A (Switch) 500kHz - No - 0°C ~ 70°C (TA) Surface Mount 20-SO
MAX5090AATE+

MAX5090AATE+

IC REG BUCK 3.3V 2A 16TQFN

Analog Devices Inc./Maxim Integrated

284
MAX5090AATE+

Datasheet

- 16-WQFN Exposed Pad Tube Active Step-Down Positive Fixed 1 6.5V Buck 76V 3.3V - 2A 127kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TQFN (5x5)
LT1374HVIR#TRPBF

LT1374HVIR#TRPBF

IC REG BUCK SEPIC ADJ 4.5A DDPAK

Analog Devices Inc.

1,479
LT1374HVIR#TRPBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 32V 2.42V 27.52V 4.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount DDPAK-7
LT1370CT7#PBF

LT1370CT7#PBF

IC REG BUCK BOOST ADJ 6A TO220-7

Analog Devices Inc.

200
LT1370CT7#PBF

Datasheet

- TO-220-7 Formed Leads Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 2.7V Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC 30V 1.245V 35V (Switch) 6A (Switch) 500kHz - No - 0°C ~ 70°C (TA) Through Hole TO-220-7
SIC931BED-Y1-GE3

SIC931BED-Y1-GE3

IC REG BUCK ADJ PWRPAK MLP60-A6C

Vishay Siliconix

403
SIC931BED-Y1-GE3

Datasheet

microBUCK® 60-PowerBFQFN Tray Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 5.5V 20A 600kHz, 1MHz, 1.5MHz, 2MHz - Yes - -40°C ~ 105°C (TA) Surface Mount PowerPAK® MLP60-A6C
LT1082IT#PBF

LT1082IT#PBF

IC REG BCK BST ADJ 850MA TO220-5

Analog Devices Inc.

104
LT1082IT#PBF

Datasheet

- TO-220-5 Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Buck, Boost, Flyback, Forward Converter 75V 1.244V 100V (Switch) 850mA (Switch) 12kHz ~ 60kHz - No - -40°C ~ 125°C (TJ) Through Hole TO-220-5
MAX1644EAE+

MAX1644EAE+

IC REG BUCK ADJ 2A 16SSOP

Analog Devices Inc./Maxim Integrated

3,822
MAX1644EAE+

Datasheet

- 16-SSOP (0.209", 5.30mm Width) Tube Active Step-Down Positive Adjustable (Programmable) 1 3V Buck 5.5V 1.1V (2.525V, 3.33V) 5.5V 2A Up to 350kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-SSOP
LTC3119IFE#PBF

LTC3119IFE#PBF

IC REG BUCK BOOST ADJ 5A 28TSSOP

Analog Devices Inc.

313
LTC3119IFE#PBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 18V 0.8V 18V 5A 400kHz ~ 2MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 28-TSSOP-EP
LT1268CT#PBF

LT1268CT#PBF

IC REG BUCK BST ADJ 7.5A TO220-5

Analog Devices Inc.

3,791
LT1268CT#PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3.5V Buck, Boost, Flyback 30V 1.244V 60V (Switch) 7.5A (Switch) 150kHz - No - 0°C ~ 125°C (TJ) Through Hole TO-220-5
MAX1970EEE+

MAX1970EEE+

IC REG BUCK ADJ 750MA DL 16QSOP

Analog Devices Inc./Maxim Integrated

3,506
MAX1970EEE+

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable (Programmable) 2 2.6V Buck 5.5V 1.2V (1.5V, 1.8V, 2.5V, 3.3V) 5.5V 750mA 1.4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QSOP
LT1082IQ#TRPBF

LT1082IQ#TRPBF

IC REG BCK BST ADJ 850MA DDPAK-5

Analog Devices Inc.

1,234
LT1082IQ#TRPBF

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Buck, Boost, Flyback, Forward Converter 75V 1.244V 100V (Switch) 850mA (Switch) 12kHz ~ 60kHz - No - -40°C ~ 125°C (TJ) Surface Mount DDPAK-5
LT1082IQ#PBF

LT1082IQ#PBF

IC REG BCK BST ADJ 850MA DDPAK-5

Analog Devices Inc.

168
LT1082IQ#PBF

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Buck, Boost, Flyback, Forward Converter 75V 1.244V 100V (Switch) 850mA (Switch) 12kHz ~ 60kHz - No - -40°C ~ 125°C (TJ) Surface Mount DDPAK-5
MAX8686ETL+T

MAX8686ETL+T

IC REG BUCK ADJ 25A 40TQFN

Analog Devices Inc./Maxim Integrated

2,967
MAX8686ETL+T

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 20V 0.7V 5.5V 25A 300kHz ~ 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 40-TQFN (6x6)
LT1076HVIT#PBF

LT1076HVIT#PBF

IC REG BUCK BOOST ADJ 2A TO220-5

Analog Devices Inc.

4,813
LT1076HVIT#PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Boost, Flyback 64V 2.5V 35V 2A (Switch) 100kHz - No - -40°C ~ 85°C (TA) Through Hole TO-220-5
LT1076HVIT#06PBF

LT1076HVIT#06PBF

IC REG BUCK BOOST ADJ 2A TO220-5

Analog Devices Inc.

4,065
LT1076HVIT#06PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Boost, Flyback 64V 2.5V 35V 2A (Switch) 100kHz - No - -40°C ~ 85°C (TA) Through Hole TO-220-5 Flow 6
LTC3613IWKH#PBF

LTC3613IWKH#PBF

IC REG BUCK ADJ 15A 56QFN

Analog Devices Inc.

2,596
LTC3613IWKH#PBF

Datasheet

- 56-VFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 24V 0.6V 5.5V 15A 200kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 56-QFN Multipad (7x9)
LT1370HVCR#PBF

LT1370HVCR#PBF

IC REG BUCK BOOST ADJ 6A DDPAK-7

Analog Devices Inc.

295
LT1370HVCR#PBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 2.7V Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC 30V 1.245V 42V (Switch) 6A (Switch) 500kHz - No - 0°C ~ 70°C (TA) Surface Mount DDPAK-7
LT1076HVCR#TRPBF

LT1076HVCR#TRPBF

IC REG BUCK BOOST ADJ 2A DDPAK-7

Analog Devices Inc.

678
LT1076HVCR#TRPBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Boost, Flyback 64V 2.5V 35V 2A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Surface Mount DDPAK-7
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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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