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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
LT1076CR-5#TRPBF

LT1076CR-5#TRPBF

IC REG BUCK BOOST 5V 2A DDPAK-7

Analog Devices Inc.

2,098
LT1076CR-5#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 Fixed 1 8V Buck, Boost, Flyback 45V 5V - 2A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Surface Mount DDPAK-7
LT1076CR#PBF

LT1076CR#PBF

IC REG BUCK BOOST ADJ 2A DDPAK-7

Analog Devices Inc.

417
LT1076CR#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 8V Buck, Boost, Flyback 45V 2.5V 35V 2A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Surface Mount DDPAK-7
LTC3374EFE#PBF

LTC3374EFE#PBF

IC REG BUCK ADJ 1A 8OUT 38TSSOP

Analog Devices Inc.

100
LTC3374EFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 8 2.7V Buck 5.5V 0.8V 5.5V 1A 2MHz - No - -40°C ~ 150°C (TJ) Surface Mount 38-TSSOP-EP
LT1076CR-5#PBF

LT1076CR-5#PBF

IC REG BUCK BOOST 5V 2A DDPAK-7

Analog Devices Inc.

4,607
LT1076CR-5#PBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 8V Buck, Boost, Flyback 45V 5V - 2A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Surface Mount DDPAK-7
LT3680IDD#TRPBF

LT3680IDD#TRPBF

IC REG BUCK ADJ 3.5A 10DFN

Analog Devices Inc.

5,002
LT3680IDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT3680IDD#PBF

LT3680IDD#PBF

IC REG BUCK ADJ 3.5A 10DFN

Analog Devices Inc.

238
LT3680IDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
MAX765ESA+T

MAX765ESA+T

IC REG BUCK BOOST ADJ/-1V 8SOIC

Analog Devices Inc./Maxim Integrated

5,110
MAX765ESA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Negative Adjustable (Fixed) 1 3V Buck-Boost 16V -1V (-12V) -16V 120mA 300kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC3615HUF#PBF

LTC3615HUF#PBF

IC REG BUCK ADJ 3A DL 24QFN

Analog Devices Inc.

421
LTC3615HUF#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.25V Buck 5.5V 0.6V 5.5V 3A 400kHz ~ 4MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 24-QFN (4x4)
LT1534IS#PBF

LT1534IS#PBF

IC REG BOOST CUK ADJ 2A 16SO

Analog Devices Inc.

119
LT1534IS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.7V Boost, Cuk, Flyback 23V 1.25V 35V (Switch) 2A (Switch) 20kHz ~ 250kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-SO
LT1959CR#PBF

LT1959CR#PBF

IC REG BUCK SEPIC ADJ 4.5A DDPAK

Analog Devices Inc.

2,222
LT1959CR#PBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Adjustable 1 4.3V Buck, SEPIC 15V 1.21V 12.9V 4.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount DDPAK-7
LT1070CT#30PBF

LT1070CT#30PBF

IC REG BUCK BOOST ADJ 5A TO220-5

Analog Devices Inc.

869
LT1070CT#30PBF

Datasheet

- TO-220-5 Formed Leads Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 60V 1.25V 65V (Switch) 5A (Switch) 40kHz - No - 0°C ~ 100°C (TJ) Through Hole TO-220-5 Flow 30
LTC3126MPFE#TRPBF

LTC3126MPFE#TRPBF

IC REG BUCK ADJ 2.5A 28TSSOP

Analog Devices Inc.

3,510
LTC3126MPFE#TRPBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.4V Buck 42V 0.818V 42V 2.5A 200kHz ~ 2.2MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 28-TSSOP-EP
LT3972IDD#PBF

LT3972IDD#PBF

IC REG BUCK ADJ 3.5A 10DFN

Analog Devices Inc.

135
LT3972IDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 33V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LTC3404MPMS8#PBF

LTC3404MPMS8#PBF

IC REG BUCK ADJ 600MA 8MSOP

Analog Devices Inc.

560
LTC3404MPMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 2.65V Buck 6V 0.8V 6V 600mA 1.4MHz - Yes - -55°C ~ 125°C (TJ) Surface Mount 8-MSOP
MAX665CPA+

MAX665CPA+

IC REG CHRG PUMP INV 100MA 8PDIP

Analog Devices Inc./Maxim Integrated

547
MAX665CPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Not For New Designs Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 8V -Vin, 2Vin - 100mA 10kHz, 45kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LT3692AIFE#PBF

LT3692AIFE#PBF

IC REG BUCK ADJ 3.5A DL 38TSSOP

Analog Devices Inc.

150
LT3692AIFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3V Buck 36V 0.8V 34.2V 3.5A 110kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 38-TSSOP-EP
LT3992IUH#PBF

LT3992IUH#PBF

IC REG BUCK ADJ 3A DL 32QFN

Analog Devices Inc.

1,690
LT3992IUH#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3V Buck 60V 0.8V 57V 3A 110kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 32-QFN (5x5)
LT1976IFE#PBF

LT1976IFE#PBF

IC REG BUCK ADJ 1.5A 16TSSOP

Analog Devices Inc.

563
LT1976IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.3V Buck 60V 1.25V 55.2V 1.5A (Switch) 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT8640JUDCF-1#PBF

LT8640JUDCF-1#PBF

IC REG BUCK ADJ 5A 20QFN

Analog Devices Inc.

2,885
LT8640JUDCF-1#PBF

Datasheet

Silent Switcher®1 20-WFQFN, 18 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 5A 210kHz ~ 2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 20-QFN (3x4)
LTC1174IS8#PBF

LTC1174IS8#PBF

IC REG BUCK BOOST ADJ 8SO

Analog Devices Inc.

345
LTC1174IS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 4V Buck, Buck-Boost 18.5V 1.25V 13V 340mA, 600mA 200kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
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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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