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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
LT3437IDD#TRPBF

LT3437IDD#TRPBF

IC REG BUCK ADJ 500MA 10DFN

Analog Devices Inc.

4,758
LT3437IDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 60V 1.25V 57V 500mA (Switch) 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT8330IDDB#TRPBF

LT8330IDDB#TRPBF

IC REG BOOST SEPIC ADJ 1A 8DFN

Analog Devices Inc.

2,618
LT8330IDDB#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Boost, SEPIC 40V 1.6V, -0.8V 60V (Switch) 1A 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x2)
LT8330IDDB#TRMPBF

LT8330IDDB#TRMPBF

IC REG BOOST SEPIC ADJ 1A 8DFN

Analog Devices Inc.

1,395
LT8330IDDB#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Boost, SEPIC 40V 1.6V, -0.8V 60V (Switch) 1A 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x2)
LTC3440EMS#PBF

LTC3440EMS#PBF

IC REG BUCK BST ADJ 600MA 10MSOP

Analog Devices Inc.

912
LTC3440EMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 5.5V 2.5V 5.5V 600mA 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-MSOP
LT8609IMSE#TRPBF

LT8609IMSE#TRPBF

IC REG BUCK ADJ 3A 10MSOP

Analog Devices Inc.

15,186
LT8609IMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT3973EDD#TRPBF

LT3973EDD#TRPBF

IC REG BUCK ADJ 750MA 10DFN

Analog Devices Inc.

7,107
LT3973EDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 42V 1.21V 24V 750mA 195kHz ~ 2.15MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT8609AIMSE#TRPBF

LT8609AIMSE#TRPBF

IC REG BUCK ADJ 3A 10MSOP

Analog Devices Inc.

5,727
LT8609AIMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT1936EMS8E#TRPBF

LT1936EMS8E#TRPBF

IC REG BUCK ADJ 1.4A 8MSOP

Analog Devices Inc.

4,884
LT1936EMS8E#TRPBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 1.2V 33.12V 1.4A 500kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP-EP
LT1936EMS8E#PBF

LT1936EMS8E#PBF

IC REG BUCK ADJ 1.4A 8MSOP

Analog Devices Inc.

4,191
LT1936EMS8E#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 1.2V 33.12V 1.4A 500kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP-EP
LT8301ES5#TRPBF

LT8301ES5#TRPBF

IC REG FLYBACK 1.2A TSOT23-5

Analog Devices Inc.

4,116
LT8301ES5#TRPBF

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 ~ 125°C (TJ) Surface Mount TSOT-23-5
LT8301ES5#TRMPBF

LT8301ES5#TRMPBF

IC REG FLYBACK 1.2A TSOT23-5

Analog Devices Inc.

3,655
LT8301ES5#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 ~ 125°C (TJ) Surface Mount TSOT-23-5
LTC3536EDD#TRPBF

LTC3536EDD#TRPBF

IC REG BUCK BOOST ADJ 1A 10DFN

Analog Devices Inc.

3,175
LTC3536EDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 1.8V Buck-Boost 5.5V 1.8V 5.5V 1A 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT3971EMSE-3.3#PBF

LT3971EMSE-3.3#PBF

IC REG BUCK 3.3V 1.2A 10MSOP

Analog Devices Inc.

1,523
LT3971EMSE-3.3#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 4.3V Buck 38V 3.3V - 1.2A 200kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT8619EMSE#PBF

LT8619EMSE#PBF

IC REG BUCK ADJ 1.2A 16MSOP

Analog Devices Inc.

1,343
LT8619EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 60V 0.8V 59.4V 1.2A 300kHz ~ 2.2MHz - Yes - 0°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3971EMSE#PBF

LT3971EMSE#PBF

IC REG BUCK ADJ 1.2A 10MSOP

Analog Devices Inc.

569
LT3971EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.3V Buck 38V 1.19V 30V 1.2A 200kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT8336EV#WPBF

LT8336EV#WPBF

IC REG BOOST ADJ 2.5A 16LQFN

Analog Devices Inc.

540
LT8336EV#WPBF

Datasheet

- 16-TFQFN Exposed Pad Tray Active Step-Up Positive Adjustable 1 2.7V Boost 40V 2.7V 40V 2.5A 300kHz ~ 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 16-LQFN (3x3)
LT8609AIMSE#PBF

LT8609AIMSE#PBF

IC REG BUCK ADJ 3A 10MSOP

Analog Devices Inc.

451
LT8609AIMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT3971EMSE#TRPBF

LT3971EMSE#TRPBF

IC REG BUCK ADJ 1.2A 10MSOP

Analog Devices Inc.

402
LT3971EMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.3V Buck 38V 1.19V 30V 1.2A 200kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT8610ACEMSE#PBF

LT8610ACEMSE#PBF

IC REG BUCK ADJ 3.5A 16MSOP

Analog Devices Inc.

13,557
LT8610ACEMSE#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 ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3573EMSE#TRPBF

LT3573EMSE#TRPBF

IC REG FLYBACK 1.25A 16MSOP

Analog Devices Inc.

9,364
LT3573EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 3V Flyback 40V - - 1.25A 40kHz ~ 1MHz - No - -40°C ~ 125°C (TA) Surface Mount 16-MSOP-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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