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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
LT8625SIV#TRMPBF

LT8625SIV#TRMPBF

IC REG BUCK 8A 20LQFN

Analog Devices Inc.

216
LT8625SIV#TRMPBF

Datasheet

Silent Switcher®3 20-TFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive - 1 2.7V Buck 18V - - 8A 300kHz ~ 4MHz - Yes - -40°C ~ 125°C Surface Mount 20-LQFN (4x3)
LTC3646HMSE-1#PBF

LTC3646HMSE-1#PBF

IC REG BUCK ADJ 1A 16MSOP

Analog Devices Inc.

200
LTC3646HMSE-1#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 0.6V 15V 1A 200kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LTC3568IDD#PBF

LTC3568IDD#PBF

IC REG BUCK ADJ 1.8A 10DFN

Analog Devices Inc.

196
LTC3568IDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.8V 5V 1.8A Up to 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LTC3407AIMSE-2#PBF

LTC3407AIMSE-2#PBF

IC REG BUCK ADJ 800MA DL 10MSOP

Analog Devices Inc.

175
LTC3407AIMSE-2#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5V 800mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC3646HDE-1#PBF

LTC3646HDE-1#PBF

IC REG BUCK ADJ 1A 14DFN

Analog Devices Inc.

1,484
LTC3646HDE-1#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 0.6V 15V 1A 200kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 14-DFN (4x3)
MAX680ESA+T

MAX680ESA+T

IC REG CHARGE PUMP 2VIN DL 8SOIC

Analog Devices Inc./Maxim Integrated

2,107
MAX680ESA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive and Negative (Dual Rail) Fixed 2 2V Charge Pump 6V ±2Vin - 10mA 8kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MAX660CPA+

MAX660CPA+

IC REG CHRG PUMP INV 100MA 8PDIP

Analog Devices Inc./Maxim Integrated

471
MAX660CPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 5.5V -Vin, 2Vin - 100mA 10kHz, 80kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LT8302ES8E-3#PBF

LT8302ES8E-3#PBF

IC REG FLYBACK 3.6A 8SOIC

Analog Devices Inc.

555
LT8302ES8E-3#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 3V Flyback 42V - 65V (Switch) 3.6A Down to 12kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC-EP
LT3692AEFE#PBF

LT3692AEFE#PBF

IC REG BUCK ADJ 3.5A DL 38TSSOP

Analog Devices Inc.

3,058
LT3692AEFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 3V Buck 36V 0.8V 34.2V 3.5A 110kHz ~ 2.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 38-TSSOP-EP
LT3579EFE#TRPBF

LT3579EFE#TRPBF

IC REG BST CHRG PUMP ADJ 20TSSOP

Analog Devices Inc.

6,051
LT3579EFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) 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-TSSOP-EP
LTC3412AEFE#TRPBF

LTC3412AEFE#TRPBF

IC REG BUCK ADJ 3A 16TSSOP

Analog Devices Inc.

4,406
LTC3412AEFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.8V 5V 3A 300kHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC3626EUDC#TRPBF

LTC3626EUDC#TRPBF

IC REG BUCK ADJ 2.5A 20QFN

Analog Devices Inc.

3,285
LTC3626EUDC#TRPBF

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 20V 0.6V 19.4V 2.5A 500KHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LTC3614EUDD#PBF

LTC3614EUDD#PBF

IC REG BUCK ADJ 4A 24QFN

Analog Devices Inc.

1,357
LTC3614EUDD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.6V 5.5V 4A 300kHz ~ 4MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 24-QFN (3x5)
LTC3245HMSE#PBF

LTC3245HMSE#PBF

IC REG CHG PUMP ADJ 250MA 12MSOP

Analog Devices Inc.

294
LTC3245HMSE#PBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable (Programmable) 1 2.7V Charge Pump 38V 2.5V (3.3V, 5V) 5V 250mA 450kHz - No - -40°C ~ 150°C (TJ) Surface Mount 12-MSOP-EP
LTC3388IDD-3#PBF

LTC3388IDD-3#PBF

IC REG BUCK PROG 50MA 10DFN

Analog Devices Inc.

398
LTC3388IDD-3#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Programmable 1 2.7V Buck 20V 2.8V, 3V, 3.3V, 5V - 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT3501EFE#TRPBF

LT3501EFE#TRPBF

IC REG BUCK ADJ 3A DL 20TSSOP

Analog Devices Inc.

4,513
LT3501EFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3.1V Buck 25V 0.8V 23.75V 3A 250kHz ~ 1.5MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LTC3520EUF#TRPBF

LTC3520EUF#TRPBF

IC REG BUCK BOOST ADJ DL 24QFN

Analog Devices Inc.

4,738
LTC3520EUF#TRPBF

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down, Step-Up/Step-Down Positive Adjustable 2 2.2V Buck, Buck-Boost 5.5V 0.8V 5.5V 600mA, 1A 100kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (4x4)
LT3514EUFD#TRPBF

LT3514EUFD#TRPBF

IC REG BCK ADJ 2A/1A TRPL 28QFN

Analog Devices Inc.

1,791
LT3514EUFD#TRPBF

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 3.2V Buck 36V 0.8V 36V 2A, 1A 270kHz ~ 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LT3514EUFD#PBF

LT3514EUFD#PBF

IC REG BCK ADJ 2A/1A TRPL 28QFN

Analog Devices Inc.

617
LT3514EUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 3 3.2V Buck 36V 0.8V 36V 2A, 1A 270kHz ~ 2.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
LTC1875EGN#PBF

LTC1875EGN#PBF

IC REG BUCK ADJ 1.5A 16SSOP

Analog Devices Inc.

211
LTC1875EGN#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 2.65V Buck 6V 0.8V 6V 1.5A 550kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-SSOP
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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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