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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
MAX15021ATI+

MAX15021ATI+

IC REG BUCK ADJ 2A/4A DL 28TQFN

Analog Devices Inc./Maxim Integrated

196
MAX15021ATI+

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5.5V 2A, 4A 500kHz ~ 4MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 28-TQFN (5x5)
LT1375IS8#PBF

LT1375IS8#PBF

IC REG BUCK SEPIC ADJ 1.5A 8SO

Analog Devices Inc.

158
LT1375IS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 25V 2.42V 21.5V 1.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO
MAX17524ATJ+

MAX17524ATJ+

IC REG BUCK ADJ 3A DL 32TQFN

Analog Devices Inc./Maxim Integrated

184
MAX17524ATJ+

Datasheet

- 32-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 4.5V Buck 60V 0.9V 54V 3A 100kHz ~ 1.1MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 32-TQFN (5x5)
LT1076IQ#PBF

LT1076IQ#PBF

IC REG BUCK BOOST ADJ 2A DDPAK-5

Analog Devices Inc.

1,045
LT1076IQ#PBF

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA 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 - -40°C ~ 85°C (TA) Surface Mount DDPAK-5
ISL65426IRZA

ISL65426IRZA

IC REG BUCK ADJ 6A DL 50QFN

Renesas Electronics Corporation

275
ISL65426IRZA

Datasheet

- 50-VFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3V Buck 5.5V 1V 4V 6A 1MHz - Yes - -10°C ~ 125°C (TJ) Surface Mount 50-QFN (5x10)
LTC1474CS8-3.3#PBF

LTC1474CS8-3.3#PBF

IC REG BUCK BOOST 3.3V 750MA 8SO

Analog Devices Inc.

116
LTC1474CS8-3.3#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 3V Buck, Buck-Boost, SEPIC 18V 3.3V - 750mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT8610ABIMSE#PBF

LT8610ABIMSE#PBF

IC REG BUCK ADJ 3.5A 16MSOP

Analog Devices Inc.

3,382
LT8610ABIMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3976IMSE#PBF

LT3976IMSE#PBF

IC REG BUCK ADJ 5A 16MSOP

Analog Devices Inc.

2,915
LT3976IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.3V Buck 40V 1.197V 38.8V 5A 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8610AIMSE#PBF

LT8610AIMSE#PBF

IC REG BUCK ADJ 3.5A 16MSOP

Analog Devices Inc.

1,607
LT8610AIMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8471IUFD#PBF

LT8471IUFD#PBF

IC REG BUCK BOOST ADJ DL 28QFN

Analog Devices Inc.

610
LT8471IUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 2 2.6V Buck, Boost, Flyback, SEPIC 50V 2.6V 50V (Switch) 1.35A (Switch), 2.1A (Switch) 100kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LT3514IFE#PBF

LT3514IFE#PBF

IC REG BCK ADJ 2A/TRPL 24TSSOP

Analog Devices Inc.

116
LT3514IFE#PBF

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 3 3.2V Buck 36V 0.8V 36V 2A, 1A 270kHz ~ 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 24-TSSOP
LT3482IUD#PBF

LT3482IUD#PBF

IC REG BST CHARGE PUMP ADJ 16QFN

Analog Devices Inc.

5,455
LT3482IUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 2.5V Boost, Charge Pump 16V 5V 90V 280mA (Switch) 650kHz ~ 1.1MHz - No - -40°C ~ 85°C (TA) Surface Mount 16-QFN (3x3)
LT3480IDD#PBF

LT3480IDD#PBF

IC REG BUCK ADJ 2A 10DFN

Analog Devices Inc.

2,192
LT3480IDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 20V 2A 200kHz ~ 2.4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LTC3113EFE#TRPBF

LTC3113EFE#TRPBF

IC REG BUCK BOOST ADJ 3A 20TSSOP

Analog Devices Inc.

688
LTC3113EFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.8V 5.5V 3A 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LT3481HMSE#PBF

LT3481HMSE#PBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

235
LT3481HMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 34V 1.265V 20V 2A 300kHz ~ 2.8MHz - No - -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LTC3622IDE-2#PBF

LTC3622IDE-2#PBF

IC REG BUCK ADJ 1A DL 14DFN

Analog Devices Inc.

4,172
LTC3622IDE-2#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.7V Buck 17V 0.6V 17V 1A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-DFN (4x3)
TPS5410MDREP

TPS5410MDREP

IC REG BUCK ADJ 1A 8SOIC

Texas Instruments

4,216
TPS5410MDREP

Datasheet

SWIFT™ 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5.5V Buck 36V 1.221V 31.32V 1A 500kHz - No - -55°C ~ 125°C (TJ) Surface Mount 8-SOIC
LT8302HS8E#WPBF

LT8302HS8E#WPBF

IC REG FLYBACK 3.6A 8SOIC

Analog Devices Inc.

117
LT8302HS8E#WPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 3V Flyback 42V - 65V (Switch) 3.6A (Switch) Down to 12kHz AEC-Q100 No Automotive -40°C ~ 150°C (TJ) Surface Mount 8-SOIC-EP
LT3980IDE#TRPBF

LT3980IDE#TRPBF

IC REG BUCK ADJ 2A 14DFN

Analog Devices Inc.

5,820
LT3980IDE#TRPBF

Datasheet

- 14-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 58V 0.79V 57.42V 2A 225kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-DFN (4x3)
LT3501IFE#PBF

LT3501IFE#PBF

IC REG BUCK ADJ 3A DL 20TSSOP

Analog Devices Inc.

341
LT3501IFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.1V Buck 25V 0.8V 23.75V 3A 250kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
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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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