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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
LT1172CS8#TRPBF

LT1172CS8#TRPBF

IC REG BUCK BOOST ADJ 1.25A 8SO

Analog Devices Inc.

1,722
LT1172CS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 40V 1.244V 65V (Switch) 1.25A (Switch) 100kHz - No - 0°C ~ 100°C (TJ) Surface Mount 8-SO
LT3579EUFD#PBF

LT3579EUFD#PBF

IC REG BST CHARGE PUMP ADJ 20QFN

Analog Devices Inc.

1,276
LT3579EUFD#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.5V Boost, Charge Pump, Cuk, Flyback, SEPIC 16V 1.215V 42V (Switch) 6A (Switch) 200kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (4x5)
LTC1046CS8#PBF

LTC1046CS8#PBF

IC REG CHARGE PUMP INV 50MA 8SO

Analog Devices Inc.

282
LTC1046CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 6V -Vin, 2Vin, Vin/2 - 50mA 5.5kHz ~ 30kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1072CS8#PBF

LT1072CS8#PBF

IC REG BUCK BOOST ADJ 1.25A 8SO

Analog Devices Inc.

135
LT1072CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 40V 1.25V 60V (Switch) 1.25A (Switch) 40kHz - No - 0°C ~ 100°C (TJ) Surface Mount 8-SO
LTC3630AIMSE#PBF

LTC3630AIMSE#PBF

IC REG BUCK ADJ 500MA 16MSOP

Analog Devices Inc.

136
LTC3630AIMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive or Negative Adjustable (Programmable) 1 4V Buck 76V 0.8V (1.8V, 3.3V, 5V) 76V 500mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT1316IS8#PBF

LT1316IS8#PBF

IC REG BST FLYBACK ADJ 750MA 8SO

Analog Devices Inc.

373
LT1316IS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 1.5V Boost, Flyback 12V 1.23V 30V (Switch) 750mA (Switch) - - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
LT8609AHDDM-5#PBF

LT8609AHDDM-5#PBF

IC REG BUCK 5V 3A 10DFN

Analog Devices Inc.

127
LT8609AHDDM-5#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Fixed 1 3V Buck 42V 5V - 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 10-DFN (3x3)
LT8301HS5#TRMPBF

LT8301HS5#TRMPBF

IC REG FLYBACK 1.2A TSOT23-5

Analog Devices Inc.

1,820
LT8301HS5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 2.7V Flyback 42V - - 1.2A Down to 10kHz - No - -40°C ~ 150°C (TJ) Surface Mount TSOT-23-5
LT8300IS5#TRPBF

LT8300IS5#TRPBF

IC REG FLYBACK 260MA TSOT23-5

Analog Devices Inc.

1,594
LT8300IS5#TRPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 6V Flyback 100V - - 260mA 7.5kHz ~ 750kHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
LTC3130EMSE#PBF

LTC3130EMSE#PBF

IC REG BUCK BST ADJ 600MA 16MSOP

Analog Devices Inc.

3,086
LTC3130EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.4V Buck-Boost 25V 1V 25V 600mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3508EUF#PBF

LT3508EUF#PBF

IC REG BUCK ADJ 1.4A DL 24QFN

Analog Devices Inc.

2,801
LT3508EUF#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.7V Buck 36V 0.8V 35.28V 1.4A 920kHz ~ 1.06MHz - No - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (4x4)
LT1376CS8#PBF

LT1376CS8#PBF

IC REG BUCK SEPIC ADJ 1.5A 8SO

Analog Devices Inc.

1,382
LT1376CS8#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 - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LT1073CN8#PBF

LT1073CN8#PBF

IC REG BUCK BOOST ADJ 1.5A 8PDIP

Analog Devices Inc.

1,478
LT1073CN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up, Step-Down Positive Adjustable 1 1V Buck, Boost 30V 1V 50V (Switch) 1.5A (Switch) 19kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LTC3130EUDC-1#PBF

LTC3130EUDC-1#PBF

IC REG BUCK BST PROG 600MA 20QFN

Analog Devices Inc.

2,167
LTC3130EUDC-1#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Up/Step-Down Positive Programmable 1 2.4V Buck-Boost 25V 1.8V, 3.3V, 5V, 12V - 600mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LTC3417AIDHC-2#TRPBF

LTC3417AIDHC-2#TRPBF

IC REG BCK ADJ 1A/1.5A DL 16DFN

Analog Devices Inc.

3,900
LTC3417AIDHC-2#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.25V Buck 5.5V 0.8V 5V 1A, 1.5A 1.5MHz, 600kHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x3)
LT3479EFE#PBF

LT3479EFE#PBF

IC REG BOOST ADJ 3A 16TSSOP

Analog Devices Inc.

323
LT3479EFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up Positive or Negative Adjustable 1 2.5V Boost 24V 1.235V 42V (Switch) 3A (Switch) 200kHz ~ 3.5MHz - No - 0°C ~ 70°C (TA) Surface Mount 16-TSSOP-EP
MAX637ACPA+

MAX637ACPA+

IC REG BCK ADJ/-1.31V 200MA 8DIP

Analog Devices Inc./Maxim Integrated

202
MAX637ACPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Down/Inverted Negative Adjustable (Fixed) 1 2.3V Buck 16.5V -1.31V (-15V) -15V 200mA 50kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LT8643SEV-2#PBF

LT8643SEV-2#PBF

IC REG BUCK ADJ 6A 24LQFN

Analog Devices Inc.

2,001
LT8643SEV-2#PBF

Datasheet

Silent Switcher®2 24-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 6A 180kHz ~ 2.1MHz - Yes - -40°C ~ 125°C Surface Mount 24-LQFN (4x4)
LT3509IDE#PBF

LT3509IDE#PBF

IC REG BUCK ADJ 700MA DL 14DFN

Analog Devices Inc.

941
LT3509IDE#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.6V Buck 36V 0.8V 34.2V 700mA 260kHz ~ 2.15MHz - No - -40°C ~ 125°C (TJ) Surface Mount 14-DFN (4x3)
LT8640SEV-2#PBF

LT8640SEV-2#PBF

IC REG BUCK ADJ 6A 24LQFN

Analog Devices Inc.

879
LT8640SEV-2#PBF

Datasheet

Silent Switcher®2 24-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 6A 200kHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-LQFN (4x4)
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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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