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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
LT8610ABHMSE-3.3#PBF

LT8610ABHMSE-3.3#PBF

IC REG BUCK 3.3V 3.5A 16MSOP

Analog Devices Inc.

410
LT8610ABHMSE-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 ~ 2.24MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT3510EFE#PBF

LT3510EFE#PBF

IC REG BUCK ADJ 2A DL 20TSSOP

Analog Devices Inc.

396
LT3510EFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.1V Buck 25V 0.8V 23.75V 2A 250kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LT3959EFE#PBF

LT3959EFE#PBF

IC REG BOOST CUK ADJ 6A 38TSSOP

Analog Devices Inc.

119
LT3959EFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 1.6V Boost, Cuk, SEPIC 40V 0.8V 40V (Switch) 6A (Switch) 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 38-TSSOP-EP
LT3481EDD#TRPBF

LT3481EDD#TRPBF

IC REG BUCK ADJ 2A 10DFN

Analog Devices Inc.

7,697
LT3481EDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 34V 1.265V 20V 2A 300kHz ~ 2.8MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
LTC3407EDD-2#TRPBF

LTC3407EDD-2#TRPBF

IC REG BUCK ADJ 800MA DL 10DFN

Analog Devices Inc.

6,431
LTC3407EDD-2#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5V 800mA 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
LTC3603EUF#PBF

LTC3603EUF#PBF

IC REG BUCK ADJ 2.5A 20QFN

Analog Devices Inc.

3,051
LTC3603EUF#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 15V 0.6V 14.5V 2.5A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (4x4)
LT3481EDD#PBF

LT3481EDD#PBF

IC REG BUCK ADJ 2A 10DFN

Analog Devices Inc.

542
LT3481EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 34V 1.265V 20V 2A 300kHz ~ 2.8MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
LT3695EMSE-5#PBF

LT3695EMSE-5#PBF

IC REG BUCK 5V 1A 16MSOP

Analog Devices Inc.

210
LT3695EMSE-5#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 3.6V Buck 36V 5V - 1A 250kHz ~ 2.2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3624IDD-25#PBF

LTC3624IDD-25#PBF

IC REG BUCK 5V 2A 8DFN

Analog Devices Inc.

178
LTC3624IDD-25#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Fixed 1 2.7V Buck 17V 5V - 2A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LTC3624IDD-5#PBF

LTC3624IDD-5#PBF

IC REG BUCK 5V 2A 8DFN

Analog Devices Inc.

144
LTC3624IDD-5#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Fixed 1 2.7V Buck 17V 5V - 2A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LTC3624IMSE-3.3#PBF

LTC3624IMSE-3.3#PBF

IC REG BUCK 3.3V 2A 12MSOP

Analog Devices Inc.

129
LTC3624IMSE-3.3#PBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 2.7V Buck 17V 3.3V - 2A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
LTC3624IMSE#PBF

LTC3624IMSE#PBF

IC REG BUCK ADJ 2A 12MSOP

Analog Devices Inc.

3,820
LTC3624IMSE#PBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.7V Buck 17V 0.6V 17V 2A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
LTC3633EFE#PBF

LTC3633EFE#PBF

IC REG BUCK ADJ 3A DL 28TSSOP

Analog Devices Inc.

1,034
LTC3633EFE#PBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.6V Buck 15V 0.6V 14.7V 3A 500kHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-TSSOP-EP
LT8336HV#WPBF

LT8336HV#WPBF

IC REG BOOST ADJ 2.5A 16LQFN

Analog Devices Inc.

577
LT8336HV#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 ~ 150°C (TJ) Surface Mount 16-LQFN (3x3)
LT3575IFE#PBF

LT3575IFE#PBF

IC REG FLYBACK 2.5A 16TSSOP

Analog Devices Inc.

2,258
LT3575IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 3V Flyback 40V - - 2.5A 40kHz ~ 1MHz - No - -40°C ~ 125°C (TA) Surface Mount 16-TSSOP-EP
LT3991IMSE#PBF

LT3991IMSE#PBF

IC REG BUCK ADJ 1.2A 10MSOP

Analog Devices Inc.

778
LT3991IMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.3V Buck 55V 1.19V 30V 1.2A 200kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT3508HFE#PBF

LT3508HFE#PBF

IC REG BUCK ADJ 1.4A DL 16TSSOP

Analog Devices Inc.

200
LT3508HFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) 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 16-TSSOP-EP
LTC3404IMS8#PBF

LTC3404IMS8#PBF

IC REG BUCK ADJ 600MA 8MSOP

Analog Devices Inc.

334
LTC3404IMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 2.65V Buck 6V 0.8V 6V 600mA 1.4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
LTC1550IGN#PBF

LTC1550IGN#PBF

IC REG CHRG PUMP ADJ 10MA 16SSOP

Analog Devices Inc.

3,087
LTC1550IGN#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Negative Adjustable 1 4.5V Charge Pump 6.5V -1.24V -6.1V 10mA 900kHz - No - -40°C ~ 85°C (TA) Surface Mount 16-SSOP
LT3579EUFD-1#PBF

LT3579EUFD-1#PBF

IC REG BST CHARGE PUMP ADJ 20QFN

Analog Devices Inc.

146
LT3579EUFD-1#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)
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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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