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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
LTC3388EDD-1#PBF

LTC3388EDD-1#PBF

IC REG BUCK PROG 50MA 10DFN

Analog Devices Inc.

330
LTC3388EDD-1#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Programmable 1 2.7V Buck 20V 1.2V, 1.5V, 1.8V, 2.5V - 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LTC3255HDD#PBF

LTC3255HDD#PBF

IC REG CHARG PUMP ADJ 50MA 10DFN

Analog Devices Inc.

308
LTC3255HDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Charge Pump 48V 2.4V 12.5V 50mA 500kHz - No - -55°C ~ 150°C (TJ) Surface Mount 10-DFN (3x3)
LTC3624EMSE-3.3#PBF

LTC3624EMSE-3.3#PBF

IC REG BUCK 3.3V 2A 12MSOP

Analog Devices Inc.

308
LTC3624EMSE-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
LT3506AEDHD#PBF

LT3506AEDHD#PBF

IC REG BUCK ADJ 1.6A DL 16DFN

Analog Devices Inc.

208
LT3506AEDHD#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.6V Buck 25V 0.8V 22V 1.6A 1.1MHz - No - -40°C ~ 85°C (TA) Surface Mount 16-DFN (5x4)
LTC3535EDD#PBF

LTC3535EDD#PBF

IC REG BOOST ADJ 550MA DL 12DFN

Analog Devices Inc.

186
LTC3535EDD#PBF

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Up Positive Adjustable 2 0.5V Boost 5V 1.5V 5.25V 550mA (Switch) 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-DFN (3x3)
LTC3388EMSE-1#PBF

LTC3388EMSE-1#PBF

IC REG BUCK PROG 50MA 10MSOP

Analog Devices Inc.

186
LTC3388EMSE-1#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Programmable 1 2.7V Buck 20V 1.2V, 1.5V, 1.8V, 2.5V - 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC1044AIN8#PBF

LTC1044AIN8#PBF

IC REG CHARG PUMP INV 20MA 8PDIP

Analog Devices Inc.

136
LTC1044AIN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 12V -Vin, 2Vin, Vin/2 - 20mA 1kHz ~ 5kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
LT3511EMS#PBF

LT3511EMS#PBF

IC REG FLYBACK 240MA 16MSOP

Analog Devices Inc.

134
LT3511EMS#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 4.5V Flyback 100V - - 240mA 40kHz ~ 650kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP
LT3506EDHD#PBF

LT3506EDHD#PBF

IC REG BUCK ADJ 1.6A DL 16DFN

Analog Devices Inc.

129
LT3506EDHD#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.6V Buck 25V 0.8V 23.25V 1.6A 575kHz - No - -40°C ~ 85°C (TA) Surface Mount 16-DFN (5x4)
LTC3624EDD-3.3#PBF

LTC3624EDD-3.3#PBF

IC REG BUCK 3.3V 2A 8DFN

Analog Devices Inc.

2,785
LTC3624EDD-3.3#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Fixed 1 2.7V Buck 17V 3.3V - 2A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LTC3255HMSE#PBF

LTC3255HMSE#PBF

IC REG CHRG PUMP ADJ 50MA 10MSOP

Analog Devices Inc.

1,981
LTC3255HMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Charge Pump 48V 2.4V 12.5V 50mA 500kHz - No - -55°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LT1776CN8#PBF

LT1776CN8#PBF

IC REG BUCK ADJ 550MA 8PDIP

Analog Devices Inc.

1,834
LT1776CN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Down Positive Adjustable 1 7.4V Buck 40V 1.24V 34V 550mA (Switch) 200kHz - No - 0°C ~ 125°C (TJ) Through Hole 8-PDIP
LTC3624EDD-23.3#PBF

LTC3624EDD-23.3#PBF

IC REG BUCK 3.3V 2A 8DFN

Analog Devices Inc.

1,599
LTC3624EDD-23.3#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Fixed 1 2.7V Buck 17V 3.3V - 2A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
TPS543B20RVFT

TPS543B20RVFT

IC REG BUCK ADJ 25A 40LQFN

Texas Instruments

666
TPS543B20RVFT

Datasheet

SWIFT™ 40-PowerLFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 19V 0.6V 5.5V 25A 300kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-LQFN-CLIP (7x5)
MAX887HESA+T

MAX887HESA+T

IC REG BUCK ADJ 600MA 8SOIC

Analog Devices Inc./Maxim Integrated

10,305
MAX887HESA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 11V 1.25V 10.5V 600mA 250kHz ~ 350kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LT8637JV#PBF

LT8637JV#PBF

IC REG BUCK ADJ 5A 20LQFN

Analog Devices Inc.

428
LT8637JV#PBF

Datasheet

- 20-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 5A 200kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 20-LQFN (4x3)
LT1317CMS8#PBF

LT1317CMS8#PBF

IC REG BST SEPIC ADJ 710MA 8MSOP

Analog Devices Inc.

333
LT1317CMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1.5V Boost, SEPIC 12V 1.24V 30V (Switch) 710mA (Switch) 620kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP
MAX1774EEI+

MAX1774EEI+

IC REG BCK ADJ 1.5A/2A DL 28QSOP

Analog Devices Inc./Maxim Integrated

138
MAX1774EEI+

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 2 2.7V Buck 28V 1V, 1.25V 5V, 5.5V 1.5A, 2A 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-QSOP
LT1316CS8#PBF

LT1316CS8#PBF

IC REG BST FLYBACK ADJ 750MA 8SO

Analog Devices Inc.

4,206
LT1316CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 1.5V Boost, Flyback 12V 1.23V 30V (Switch) 750mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
MAX887HESA+

MAX887HESA+

IC REG BUCK ADJ 600MA 8SOIC

Analog Devices Inc./Maxim Integrated

3,596
MAX887HESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 3.5V Buck 11V 1.25V 10.5V 600mA 250kHz ~ 350kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
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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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