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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
LT3514EFE#PBF

LT3514EFE#PBF

IC REG BCK ADJ 2A/TRPL 24TSSOP

Analog Devices Inc.

336
LT3514EFE#PBF

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) 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 24-TSSOP
LTC3622EDE-2#PBF

LTC3622EDE-2#PBF

IC REG BUCK ADJ 1A DL 14DFN

Analog Devices Inc.

171
LTC3622EDE-2#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.7V Buck 17V 0.6V 17V 1A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-DFN (4x3)
LT3976EUDD#PBF

LT3976EUDD#PBF

IC REG BUCK ADJ 5A 24QFN

Analog Devices Inc.

146
LT3976EUDD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.3V Buck 40V 1.197V 38.8V 5A 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (3x5)
LT1376CS8-5#TRPBF

LT1376CS8-5#TRPBF

IC REG BUCK SEPIC 5V 1.5A 8SO

Analog Devices Inc.

915
LT1376CS8-5#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 5V Buck, SEPIC 25V 5V - 1.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LT3685IMSE#TRPBF

LT3685IMSE#TRPBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

7,503
LT3685IMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 20V 2A 200kHz ~ 2.4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT3685IMSE#PBF

LT3685IMSE#PBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

5,653
LT3685IMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 20V 2A 200kHz ~ 2.4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC660CS8#PBF

LTC660CS8#PBF

IC REG CHARGE PUMP INV 100MA 8SO

Analog Devices Inc.

508
LTC660CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V, 2.5V Charge Pump 5.5V -Vin, 2Vin, Vin/2 - 100mA 10kHz, 80kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC660CS8#TRPBF

LTC660CS8#TRPBF

IC REG CHARGE PUMP INV 100MA 8SO

Analog Devices Inc.

4,224
LTC660CS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V, 2.5V Charge Pump 5.5V -Vin, 2Vin, Vin/2 - 100mA 10kHz, 80kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1676IS8#TRPBF

LT1676IS8#TRPBF

IC REG BUCK ADJ 550MA 8SO

Analog Devices Inc.

10,032
LT1676IS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.4V Buck 60V 1.24V 51V 550mA (Switch) 100kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO
LT1676IS8#PBF

LT1676IS8#PBF

IC REG BUCK ADJ 550MA 8SO

Analog Devices Inc.

5,370
LT1676IS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 7.4V Buck 60V 1.24V 51V 550mA (Switch) 100kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO
LT1777IS#PBF

LT1777IS#PBF

IC REG BUCK ADJ 550MA 16SO

Analog Devices Inc.

2,250
LT1777IS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 7.4V Buck 48V 1.24V 30V 550mA (Switch) 100kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-SO
RAA2214914GNP#HB0

RAA2214914GNP#HB0

IC REG

Renesas Electronics Corporation

2,024
RAA2214914GNP#HB0

Datasheet

- - Tape & Reel (TR) Active - - - - - - - - - - - - - - - - -
LT1777IS#TRPBF

LT1777IS#TRPBF

IC REG BUCK ADJ 550MA 16SO

Analog Devices Inc.

1,307
LT1777IS#TRPBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.4V Buck 48V 1.24V 30V 550mA (Switch) 100kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-SO
LT8611EUDD#PBF

LT8611EUDD#PBF

IC REG BUCK ADJ 2.5A 24QFN

Analog Devices Inc.

9,637
LT8611EUDD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 40V 2.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (3x5)
LTC7138EMSE#TRPBF

LTC7138EMSE#TRPBF

IC REG BUCK ADJ 400MA 16MSOP

Analog Devices Inc.

4,998
LTC7138EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable (Programmable) 1 4V Buck 140V 0.8V (1.8V, 3.3V, 5V) 140V 400mA - - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8611EUDD#TRPBF

LT8611EUDD#TRPBF

IC REG BUCK ADJ 2.5A 24QFN

Analog Devices Inc.

3,701
LT8611EUDD#TRPBF

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 40V 2.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (3x5)
LTC7138EMSE#PBF

LTC7138EMSE#PBF

IC REG BUCK ADJ 400MA 16MSOP

Analog Devices Inc.

2,863
LTC7138EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable (Programmable) 1 4V Buck 140V 0.8V (1.8V, 3.3V, 5V) 140V 400mA - - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT1766EFE#TRPBF

LT1766EFE#TRPBF

IC REG BUCK ADJ 1.5A 16TSSOP

Analog Devices Inc.

2,367
LT1766EFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad 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-TSSOP-EP
LT1076CT#PBF

LT1076CT#PBF

IC REG BUCK BOOST ADJ 2A TO220-5

Analog Devices Inc.

243
LT1076CT#PBF

Datasheet

- TO-220-5 Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Boost, Flyback 45V 2.5V 35V 2A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Through Hole TO-220-5
LTC3265EFE#PBF

LTC3265EFE#PBF

IC REG CHARG PUMP INV DL 20TSSOP

Analog Devices Inc.

205
LTC3265EFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Ratiometric Positive and Negative (Dual Rail) Fixed 2 4.5V Charge Pump 32V -Vin, 2Vin - 100mA 50kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-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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