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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
LTC3633AEUFD#PBF

LTC3633AEUFD#PBF

IC REG BUCK ADJ 3A DL 28QFN

Analog Devices Inc.

1,217
LTC3633AEUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.6V Buck 20V 0.6V 6V 3A 500kHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LTC3605AEUF#PBF

LTC3605AEUF#PBF

IC REG BUCK ADJ 5A 24QFN

Analog Devices Inc.

970
LTC3605AEUF#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 20V 0.6V 19.8V 5A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (4x4)
LT1506CR#PBF

LT1506CR#PBF

IC REG BUCK ADJ 4.5A DDPAK-7

Analog Devices Inc.

2,008
LT1506CR#PBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Adjustable 1 4V Buck 15V 2.42V 13.95V 4.5A 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount DDPAK-7
LT1072HVCT#PBF

LT1072HVCT#PBF

IC REG BCK BST ADJ 1.25A TO220-5

Analog Devices Inc.

2,050
LT1072HVCT#PBF

Datasheet

- TO-220-5 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 75V (Switch) 1.25A (Switch) 40kHz - No - 0°C ~ 100°C (TJ) Through Hole TO-220-5
LT3508HUF#PBF

LT3508HUF#PBF

IC REG BUCK ADJ 1.4A DL 24QFN

Analog Devices Inc.

369
LT3508HUF#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 ~ 150°C (TJ) Surface Mount 24-QFN (4x4)
LT1302CS8-5#PBF

LT1302CS8-5#PBF

IC REG BOOST 5V 2A 8SO

Analog Devices Inc.

4,950
LT1302CS8-5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Fixed 1 2V Boost 8V 5V - 2A (Switch) 220kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
MAX685EEE+

MAX685EEE+

IC REG BOOST ADJ 440MA DL 16QSOP

Analog Devices Inc./Maxim Integrated

306
MAX685EEE+

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Up Positive and Negative (Dual Rail) Adjustable 2 2.7V Boost 5.5V -1.27V, 2.7V 24V, -9V 440mA (Switch) 220kHz, 400kHz - No - -40°C ~ 85°C (TA) Surface Mount 16-QSOP
TPS63060MDSCTEP

TPS63060MDSCTEP

IC REG BUCK BOOST ADJ 2A 10WSON

Texas Instruments

2,471
TPS63060MDSCTEP

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 12V 2.5V 8V 2A (Switch) 2.4MHz - Yes - -55°C ~ 125°C (TJ) Surface Mount 10-WSON (3x3)
LTC3309AMPV#TRMPBF

LTC3309AMPV#TRMPBF

IC REG BUCK PROG 6A 12LQFN

Analog Devices Inc.

500
LTC3309AMPV#TRMPBF

Datasheet

Silent Switcher®1 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.25V Buck 5.5V 0.5V 2.25V 6A Up to 3MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 12-LQFN (2x2)
MAX642AEPA+

MAX642AEPA+

IC REG BST ADJ/1.31V 450MA 8PDIP

Analog Devices Inc./Maxim Integrated

1,119
MAX642AEPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up Positive Adjustable (Fixed) 1 2V Boost 16.5V 1.31V (12V) 18V (Switch) 450mA (Switch) 50kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
MAX1796EUA+

MAX1796EUA+

IC REG BOOST ADJ 400MA 8UMAX

Analog Devices Inc./Maxim Integrated

124
MAX1796EUA+

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Adjustable (Programmable) 1 1V Boost 5.5V 2V (3.3V, 5V) 5.5V 400mA (Switch) 500kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-uMAX/uSOP
LTC3114IFE-1#TRPBF

LTC3114IFE-1#TRPBF

IC REG BUCK BOOST ADJ 1A 16TSSOP

Analog Devices Inc.

1,672
LTC3114IFE-1#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) 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-TSSOP-EP
LT1766IGN-5#PBF

LT1766IGN-5#PBF

IC REG BUCK 5V 1.5A 16SSOP

Analog Devices Inc.

131
LT1766IGN-5#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 5.5V Buck 60V 5V - 1.5A 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-SSOP
LT1534CS#PBF

LT1534CS#PBF

IC REG BOOST CUK ADJ 2A 16SO

Analog Devices Inc.

3,040
LT1534CS#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 - 0°C ~ 125°C (TJ) Surface Mount 16-SO
LTC3412EUF#PBF

LTC3412EUF#PBF

IC REG BUCK ADJ 2.5A 16QFN

Analog Devices Inc.

3,050
LTC3412EUF#PBF

Datasheet

- 16-WQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.625V Buck 5.5V 0.8V 5V 2.5A 300kHz ~ 4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
MAX764EPA+

MAX764EPA+

IC REG BUCK BOOST ADJ/-1V 8PDIP

Analog Devices Inc./Maxim Integrated

190
MAX764EPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up/Step-Down Negative Adjustable (Fixed) 1 3V Buck-Boost 16V -1V (-5V) -16V 260mA 300kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
LT8602IUJ#PBF

LT8602IUJ#PBF

IC REG BUCK ADJ QUAD 40QFN

Analog Devices Inc.

2,754
LT8602IUJ#PBF

Datasheet

- 40-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 4 2.6V Buck 42V 0.8V, 1V 42V 1.5A, 1.8A, 2.5A 250kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-QFN (6x6)
LT3976HMSE#PBF

LT3976HMSE#PBF

IC REG BUCK ADJ 5A 16MSOP

Analog Devices Inc.

157
LT3976HMSE#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 ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT8610AHMSE-3.3#PBF

LT8610AHMSE-3.3#PBF

IC REG BUCK 3.3V 3.5A 16MSOP

Analog Devices Inc.

134
LT8610AHMSE-3.3#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 3.4V Buck 42V 3.3V - 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LTC3622HDE-23/5#PBF

LTC3622HDE-23/5#PBF

IC REG BUCK 3.3V/5V 1A DL 14DFN

Analog Devices Inc.

106
LTC3622HDE-23/5#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Fixed 2 2.7V Buck 17V 3.3V, 5V - 1A 2.25MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 14-DFN (4x3)
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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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