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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
LTC3624IDD-3.3#PBF

LTC3624IDD-3.3#PBF

IC REG BUCK 3.3V 2A 8DFN

Analog Devices Inc.

681
LTC3624IDD-3.3#PBF

Datasheet

- 8-WFDFN 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 8-DFN (3x3)
LTC3521EUF#PBF

LTC3521EUF#PBF

IC REG BUCK BOOST ADJ TRPL 24QFN

Analog Devices Inc.

674
LTC3521EUF#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down, Step-Up/Step-Down Positive Adjustable 3 1.8V Buck, Buck-Boost 5.5V 0.6V 5.5V 600mA, 1A 1.1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (4x4)
LTC3129IUD-1#PBF

LTC3129IUD-1#PBF

IC REG BUCK BST PROG 200MA 16QFN

Analog Devices Inc.

592
LTC3129IUD-1#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Up/Step-Down Positive Programmable 1 1.92V Buck-Boost 15V 2.5V 15V 200mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LTC3624IDD-2#PBF

LTC3624IDD-2#PBF

IC REG BUCK ADJ 2A 8DFN

Analog Devices Inc.

301
LTC3624IDD-2#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.7V Buck 17V 0.6V 17V 2A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LTC3407EMSE-2#PBF

LTC3407EMSE-2#PBF

IC REG BUCK ADJ 800MA DL 10MSOP

Analog Devices Inc.

156
LTC3407EMSE-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 ~ 85°C (TA) Surface Mount 10-MSOP-EP
LTC3124EFE#TRPBF

LTC3124EFE#TRPBF

IC REG BOOST ADJ 2.5A 16TSSOP

Analog Devices Inc.

930
LTC3124EFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2.5V 15V 2.5A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC3124EDHC#TRPBF

LTC3124EDHC#TRPBF

IC REG BOOST ADJ 2.5A 16DFN

Analog Devices Inc.

621
LTC3124EDHC#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2.5V 15V 2.5A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x3)
ICL7662CPA+

ICL7662CPA+

IC REG CHARGE PUMP 8PDIP

Analog Devices Inc./Maxim Integrated

977
ICL7662CPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Negative Fixed 1 4.5V Charge Pump 20V -Vin - - 10kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LT3991IDD#PBF

LT3991IDD#PBF

IC REG BUCK ADJ 1.2A 10DFN

Analog Devices Inc.

509
LT3991IDD#PBF

Datasheet

- 10-WFDFN 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-DFN (3x3)
LT8331IMSE#TRPBF

LT8331IMSE#TRPBF

IC REG BOOST FLYBACK ADJ 16MSOP

Analog Devices Inc.

421
LT8331IMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 4.5V Boost, Flyback, SEPIC 100V 1.6V, -0.8V 140V (Switch) 500mA (Switch) 100kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8331IMSE#PBF

LT8331IMSE#PBF

IC REG BOOST FLYBACK ADJ 16MSOP

Analog Devices Inc.

331
LT8331IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 4.5V Boost, Flyback, SEPIC 100V 1.6V, -0.8V 140V (Switch) 500mA (Switch) 100kHz ~ 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT1936IMS8E#TRPBF

LT1936IMS8E#TRPBF

IC REG BUCK ADJ 1.4A 8MSOP

Analog Devices Inc.

4,712
LT1936IMS8E#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 ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LTC3261IMSE#TRPBF

LTC3261IMSE#TRPBF

IC REG CHARGE PUMP 100MA 12MSOP

Analog Devices Inc.

3,865
LTC3261IMSE#TRPBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 4.5V Charge Pump 32V -Vin, Vin/2 - 100mA 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
LT1172CS8#PBF

LT1172CS8#PBF

IC REG BUCK BOOST ADJ 1.25A 8SO

Analog Devices Inc.

2,569
LT1172CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 40V 1.244V 65V (Switch) 1.25A (Switch) 100kHz - No - 0°C ~ 100°C (TJ) Surface Mount 8-SO
LTC3261IMSE#PBF

LTC3261IMSE#PBF

IC REG CHARGE PUMP 100MA 12MSOP

Analog Devices Inc.

1,415
LTC3261IMSE#PBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Ratiometric Positive or Negative Fixed 1 4.5V Charge Pump 32V -Vin, Vin/2 - 100mA 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
LTC3310SEV#PBF

LTC3310SEV#PBF

IC REG BUCK ADJ 10A 18LQFN

Analog Devices Inc.

2,829
LTC3310SEV#PBF

Datasheet

Silent Switcher®2 18-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.5V 5.5V 10A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 18-LQFN (3x3)
LT8300IS5#TRMPBF

LT8300IS5#TRMPBF

IC REG FLYBACK 260MA TSOT23-5

Analog Devices Inc.

5,254
LT8300IS5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 6V Flyback 100V - - 260mA 7.5kHz ~ 750kHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
LT8303IS5#TRMPBF

LT8303IS5#TRMPBF

IC REG FLYBCK ADJ 450MA TSOT23-5

Analog Devices Inc.

3,130
LT8303IS5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up/Step-Down Positive, Isolation Capable Adjustable 1 5.5V Flyback 100V - - 450mA 7kHz ~ 350kHz - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
LT3508EUF#TRPBF

LT3508EUF#TRPBF

IC REG BUCK ADJ 1.4A DL 24QFN

Analog Devices Inc.

7,072
LT3508EUF#TRPBF

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3.7V Buck 36V 0.8V 35.28V 1.4A 920kHz ~ 1.06MHz - No - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (4x4)
LTC3130EMSE#TRPBF

LTC3130EMSE#TRPBF

IC REG BUCK BST ADJ 600MA 16MSOP

Analog Devices Inc.

4,485
LTC3130EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.4V Buck-Boost 25V 1V 25V 600mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) 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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