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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
LT3988IMSE#TRPBF

LT3988IMSE#TRPBF

IC REG BUCK ADJ 1A DL 16MSOP

Analog Devices Inc.

4,246
LT3988IMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 4.1V Buck 60V 0.75V 59.4V 1A 250kHz ~ 2.15MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8304HS8E#PBF

LT8304HS8E#PBF

IC REG FLYBACK ADJ 2A 8SOIC

Analog Devices Inc.

278
LT8304HS8E#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Flyback 100V 1V 150V (Switch) 2A (Switch) 11kHz ~ 350kHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SOIC-EP
LT8631HFE#PBF

LT8631HFE#PBF

IC REG BUCK ADJ 1A 20TSSOP

Analog Devices Inc.

406
LT8631HFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 100V 0.8V 60V 1A 100kHz ~ 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 20-TSSOP-EP
LTC1514IS8-3.3#PBF

LTC1514IS8-3.3#PBF

IC REG CHARGE PUMP 3.3V 50MA 8SO

Analog Devices Inc.

130
LTC1514IS8-3.3#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Positive Fixed 1 2V Charge Pump 8V 3.3V - 50mA 650kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
LTC3633AEUFD-1#PBF

LTC3633AEUFD-1#PBF

IC REG BUCK ADJ 3A DL 28QFN

Analog Devices Inc.

177
LTC3633AEUFD-1#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.6V Buck 20V 1.5V 12V 3A 500kHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LT3692EUH#PBF

LT3692EUH#PBF

IC REG BUCK ADJ 3.5A DL 32QFN

Analog Devices Inc.

4,147
LT3692EUH#PBF

Datasheet

- 32-WFQFN 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 32-QFN (5x5)
LT3480IMSE#TRPBF

LT3480IMSE#TRPBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

5,149
LT3480IMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) 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-MSOP-EP
LT3480IMSE#PBF

LT3480IMSE#PBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

1,907
LT3480IMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 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-MSOP-EP
LTC3639HMSE#PBF

LTC3639HMSE#PBF

IC REG BUCK ADJ 100MA 16MSOP

Analog Devices Inc.

208
LTC3639HMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 150V 0.8V 150V 100mA - - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT1302CS8#PBF

LT1302CS8#PBF

IC REG BOOST ADJ 2A 8SO

Analog Devices Inc.

155
LT1302CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Adjustable 1 2V Boost 8V 2V 25V (Switch) 2A (Switch) 220kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1374HVCS8#PBF

LT1374HVCS8#PBF

IC REG BUCK SEPIC ADJ 4.5A 8SO

Analog Devices Inc.

7,195
LT1374HVCS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 32V 2.42V 27.52V 4.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LTC3114IDHC-1#PBF

LTC3114IDHC-1#PBF

IC REG BUCK BOOST ADJ 1A 16DFN

Analog Devices Inc.

1,207
LTC3114IDHC-1#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x3)
LT1956IGN-5#PBF

LT1956IGN-5#PBF

IC REG BUCK 5V 1.5A 16SSOP

Analog Devices Inc.

3,076
LT1956IGN-5#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 5.5V Buck 60V 5V - 1.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-SSOP
LTC3265IFE#PBF

LTC3265IFE#PBF

IC REG CHARG PUMP INV DL 20TSSOP

Analog Devices Inc.

170
LTC3265IFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Ratiometric Positive and Negative (Dual Rail) Fixed 2 4.5V Charge Pump 32V -Vin, 2Vin - 100mA 50kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LTC3265IDHC#PBF

LTC3265IDHC#PBF

IC REG CHARGE PUMP INV DL 18DFN

Analog Devices Inc.

3,161
LTC3265IDHC#PBF

Datasheet

- 18-WFDFN Exposed Pad Tube Active Ratiometric Positive and Negative (Dual Rail) Fixed 2 4.5V Charge Pump 32V -Vin, 2Vin - 100mA 50kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 18-DFN (5x3)
LT8620HMSE#TRPBF

LT8620HMSE#TRPBF

IC REG BUCK ADJ 2A 16MSOP

Analog Devices Inc.

3,774
LT8620HMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.4V Buck 65V 0.97V 64.75V 2A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT8610ACHMSE#PBF

LT8610ACHMSE#PBF

IC REG BUCK ADJ 3.5A 16MSOP

Analog Devices Inc.

716
LT8610ACHMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.8V 42V 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT8610ACHMSE-1#PBF

LT8610ACHMSE-1#PBF

IC REG BUCK ADJ 3.5A 16MSOP

Analog Devices Inc.

153
LT8610ACHMSE-1#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.8V 42V 3.5A 1.5MHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT8471HFE#PBF

LT8471HFE#PBF

IC REG BUCK BOOST ADJ DL 20TSSOP

Analog Devices Inc.

105
LT8471HFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) 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 ~ 150°C (TJ) Surface Mount 20-TSSOP-EP
MAX643AEPA+

MAX643AEPA+

IC REG BST ADJ/1.31V 450MA 8PDIP

Analog Devices Inc./Maxim Integrated

742
MAX643AEPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up Positive Adjustable (Fixed) 1 2V Boost 16.5V 1.31V (15V) 18V (Switch) 450mA (Switch) 50kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
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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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