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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
LT1766EGN#PBF

LT1766EGN#PBF

IC REG BUCK ADJ 1.5A 16SSOP

Analog Devices Inc.

7,633
LT1766EGN#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 5.5V Buck 60V 1.2V 57.6V 1.5A 200kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-SSOP
LTC3638EMSE#TRPBF

LTC3638EMSE#TRPBF

IC REG BUCK ADJ 250MA 16MSOP

Analog Devices Inc.

6,220
LTC3638EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 140V 0.8V 140V 250mA - - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT1913EDD#TRPBF

LT1913EDD#TRPBF

IC REG BUCK ADJ 3.5A 10DFN

Analog Devices Inc.

4,255
LT1913EDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 25V 0.79V 24.25V 3.5A 230kHz ~ 2.45MHz - No - 0°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT1766EGN#TRPBF

LT1766EGN#TRPBF

IC REG BUCK ADJ 1.5A 16SSOP

Analog Devices Inc.

3,889
LT1766EGN#TRPBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5.5V Buck 60V 1.2V 57.6V 1.5A 200kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-SSOP
LTC3639EMSE#TRPBF

LTC3639EMSE#TRPBF

IC REG BUCK ADJ 100MA 16MSOP

Analog Devices Inc.

3,165
LTC3639EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 150V 0.8V 150V 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3988EMSE#TRPBF

LT3988EMSE#TRPBF

IC REG BUCK ADJ 1A DL 16MSOP

Analog Devices Inc.

2,919
LT3988EMSE#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
LT1956EGN#TRPBF

LT1956EGN#TRPBF

IC REG BUCK ADJ 1.5A 16SSOP

Analog Devices Inc.

2,420
LT1956EGN#TRPBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 5.5V Buck 60V 1.219V 54V 1.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-SSOP
LTC3638EMSE#PBF

LTC3638EMSE#PBF

IC REG BUCK ADJ 250MA 16MSOP

Analog Devices Inc.

1,987
LTC3638EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 140V 0.8V 140V 250mA - - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3639EMSE#PBF

LTC3639EMSE#PBF

IC REG BUCK ADJ 100MA 16MSOP

Analog Devices Inc.

1,912
LTC3639EMSE#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 ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3988EMSE#PBF

LT3988EMSE#PBF

IC REG BUCK ADJ 1A DL 16MSOP

Analog Devices Inc.

1,322
LT3988EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube 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
LT1913EDD#PBF

LT1913EDD#PBF

IC REG BUCK ADJ 3.5A 10DFN

Analog Devices Inc.

1,044
LT1913EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 25V 0.79V 24.25V 3.5A 230kHz ~ 2.45MHz - No - 0°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LTC3612IUDC#PBF

LTC3612IUDC#PBF

IC REG BUCK ADJ 3A 20QFN

Analog Devices Inc.

656
LTC3612IUDC#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.6V 5.5V 3A 300kHz ~ 4MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 20-QFN (3x4)
LT3433EFE#PBF

LT3433EFE#PBF

IC REG BCK BST ADJ 500MA 16TSSOP

Analog Devices Inc.

139
LT3433EFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 4V Buck-Boost 60V 3.3V 20V 500mA (Switch) 200kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LT1766EGN-5#PBF

LT1766EGN-5#PBF

IC REG BUCK 5V 1.5A 16SSOP

Analog Devices Inc.

4,404
LT1766EGN-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 - 0°C ~ 125°C (TJ) Surface Mount 16-SSOP
LT1376HVCS8#PBF

LT1376HVCS8#PBF

IC REG BUCK SEPIC ADJ 1.5A 8SO

Analog Devices Inc.

200
LT1376HVCS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 5V Buck, SEPIC 30V 2.42V 25.8V 1.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
MAX662AESA+

MAX662AESA+

IC REG CHARG PUMP 12V 30MA 8SOIC

Analog Devices Inc./Maxim Integrated

648
MAX662AESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Fixed 1 4.5V Charge Pump 5.5V 12V - 30mA 500kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC3458EDE#PBF

LTC3458EDE#PBF

IC REG BOOST ADJ 1.4A 12DFN

Analog Devices Inc.

680
LTC3458EDE#PBF

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 1.5V Boost 6V 2V 7.5V 1.4A (Switch) 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-DFN (4x3)
LTC7151SEV#TRPBF

LTC7151SEV#TRPBF

IC REG BUCK ADJ 15A 28LQFN

Analog Devices Inc.

685
LTC7151SEV#TRPBF

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.1V Buck 20V 0.5V 5.5V 15A 400kHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-LQFN (5x4)
LTC7151SEV#PBF

LTC7151SEV#PBF

IC REG BUCK ADJ 15A 28LQFN

Analog Devices Inc.

4,531
LTC7151SEV#PBF

Datasheet

- 28-VFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3.1V Buck 20V 0.5V 5.5V 15A 1MHz - Yes - 0°C ~ 85°C (TJ) Surface Mount 28-LQFN (5x4)
LTC3130IUDC#TRPBF

LTC3130IUDC#TRPBF

IC REG BUCK BST ADJ 600MA 20QFN

Analog Devices Inc.

1,235
LTC3130IUDC#TRPBF

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) 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 20-QFN (3x4)
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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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