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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
LT1767EMS8-3.3#PBF

LT1767EMS8-3.3#PBF

IC REG BCK SEPIC 3.3V 1.5A 8MSOP

Analog Devices Inc.

715
LT1767EMS8-3.3#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Fixed 1 3V Buck, SEPIC 25V 3.3V - 1.5A 1.25MHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-MSOP
LT1767EMS8#PBF

LT1767EMS8#PBF

IC REG BUCK SEPIC ADJ 1.5A 8MSOP

Analog Devices Inc.

581
LT1767EMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 3V Buck, SEPIC 25V 1.2V 22.5V 1.5A 1.25MHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-MSOP
LTC1144CS8#TRPBF

LTC1144CS8#TRPBF

IC REG CHARGE PUMP INV 50MA 8SO

Analog Devices Inc.

21,760
LTC1144CS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 2V Charge Pump 18V -Vin, 2Vin, Vin/2 - 50mA 4kHz ~ 10kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC1144CS8#PBF

LTC1144CS8#PBF

IC REG CHARGE PUMP INV 50MA 8SO

Analog Devices Inc.

1,128
LTC1144CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 2V Charge Pump 18V -Vin, 2Vin, Vin/2 - 50mA 4kHz ~ 10kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
ICL7662EBA+

ICL7662EBA+

IC REG CHARGE PUMP 8SOIC

Analog Devices Inc./Maxim Integrated

975
ICL7662EBA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Negative Fixed 1 4.5V Charge Pump 20V -Vin - - 10kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC3545EUD-1#TRPBF

LTC3545EUD-1#TRPBF

IC REG BUCK ADJ 800MA TRPL 16QFN

Analog Devices Inc.

12,343
LTC3545EUD-1#TRPBF

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 2.25V Buck 5.5V 0.6V 5.5V 800mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LTC3545EUD#TRPBF

LTC3545EUD#TRPBF

IC REG BUCK ADJ 800MA TRPL 16QFN

Analog Devices Inc.

7,245
LTC3545EUD#TRPBF

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 2.25V Buck 5.5V 0.6V 5.5V 800mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LTC3569EUD#TRPBF

LTC3569EUD#TRPBF

IC REG BUCK ADJ TRPL 20QFN

Analog Devices Inc.

6,231
LTC3569EUD#TRPBF

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 2.5V Buck 5.5V 0.425V 5.5V 600mA, 1.2A 2.25MHz, 1MHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x3)
LTC3545EUD-1#PBF

LTC3545EUD-1#PBF

IC REG BUCK ADJ 800MA TRPL 16QFN

Analog Devices Inc.

5,661
LTC3545EUD-1#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 3 2.25V Buck 5.5V 0.6V 5.5V 800mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LTC3569EUD#PBF

LTC3569EUD#PBF

IC REG BUCK ADJ TRPL 20QFN

Analog Devices Inc.

4,180
LTC3569EUD#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 3 2.5V Buck 5.5V 0.425V 5.5V 600mA, 1.2A 2.25MHz, 1MHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x3)
LTC3545EUD#PBF

LTC3545EUD#PBF

IC REG BUCK ADJ 800MA TRPL 16QFN

Analog Devices Inc.

3,670
LTC3545EUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 3 2.25V Buck 5.5V 0.6V 5.5V 800mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LTC3569EUDC#TRPBF

LTC3569EUDC#TRPBF

IC REG BUCK ADJ TRPL 20QFN

Analog Devices Inc.

3,179
LTC3569EUDC#TRPBF

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 3 2.5V Buck 5.5V 0.425V 5.5V 600mA, 1.2A 2.25MHz, 1MHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-QFN (3x4)
LTC3612EUDC#PBF

LTC3612EUDC#PBF

IC REG BUCK ADJ 3A 20QFN

Analog Devices Inc.

2,841
LTC3612EUDC#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)
LT3436EFE#PBF

LT3436EFE#PBF

IC REG BST SEPIC ADJ 3A 16TSSOP

Analog Devices Inc.

1,525
LT3436EFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 3V Boost, SEPIC 25V 1.2V 35V (Switch) 3A (Switch) 800kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC3612EUDC#TRPBF

LTC3612EUDC#TRPBF

IC REG BUCK ADJ 3A 20QFN

Analog Devices Inc.

501
LTC3612EUDC#TRPBF

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) 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)
LT8301IS5#TRPBF

LT8301IS5#TRPBF

IC REG FLYBACK 1.2A TSOT23-5

Analog Devices Inc.

4,060
LT8301IS5#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
LT3471EDD#TRPBF

LT3471EDD#TRPBF

IC REG BST CUK ADJ 1.3A DL 10DFN

Analog Devices Inc.

2,291
LT3471EDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive and Negative (Dual Rail) Adjustable 2 2.1V Boost, Cuk, Flyback, SEPIC 16V ±1V ±40V 1.3A 1.2MHz - No - -40°C ~ 85°C Surface Mount 10-DFN (3x3)
LT1776CS8#PBF

LT1776CS8#PBF

IC REG BUCK ADJ 550MA 8SO

Analog Devices Inc.

4,679
LT1776CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 7.4V Buck 40V 1.24V 34V 550mA (Switch) 200kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LT1776CS8#TRPBF

LT1776CS8#TRPBF

IC REG BUCK ADJ 550MA 8SO

Analog Devices Inc.

2,370
LT1776CS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.4V Buck 40V 1.24V 34V 550mA (Switch) 200kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LTC3646IDE#PBF

LTC3646IDE#PBF

IC REG BUCK ADJ 1A 14DFN

Analog Devices Inc.

4,402
LTC3646IDE#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 2V 30V 1A 200kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 14-DFN (4x3)
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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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