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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
LT3580EDD#PBF

LT3580EDD#PBF

IC REG BOOST CUK ADJ 2A 8DFN

Analog Devices Inc.

327
LT3580EDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 2.5V Boost, Cuk, SEPIC 32V 5V 42V (Switch) 2A (Switch) 200kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LT1613CS5#TRMPBF

LT1613CS5#TRMPBF

IC REG BST FLYBACK ADJ TSOT23-5

Analog Devices Inc.

9,534
LT1613CS5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 0.9V Boost, Flyback, SEPIC 10V 1.23V 34V 550mA (Switch) 1.4MHz - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
LT1615ES5-1#TRMPBF

LT1615ES5-1#TRMPBF

IC REG BOOST SEPIC ADJ TSOT23-5

Analog Devices Inc.

8,964
LT1615ES5-1#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1V Boost, SEPIC 15V 1.23V 34V 75mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
MAX17544ATP+T

MAX17544ATP+T

IC REG BUCK ADJ 3.5A 20TQFN

Analog Devices Inc./Maxim Integrated

7,980
MAX17544ATP+T

Datasheet

Himalaya 20-WQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 42V 0.9V 37.8V 3.5A 100kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (5x5)
LT1615ES5#TRPBF

LT1615ES5#TRPBF

IC REG BOOST SEPIC ADJ TSOT23-5

Analog Devices Inc.

6,596
LT1615ES5#TRPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1V Boost, SEPIC 15V 1.23V 34V 300mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
LT1617ES5#TRPBF

LT1617ES5#TRPBF

IC REG CUK ADJ 300MA TSOT23-5

Analog Devices Inc.

5,568
LT1617ES5#TRPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Negative Adjustable 1 1.2V Cuk 15V -1.2V -34V 300mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
LT1613CS5#TRPBF

LT1613CS5#TRPBF

IC REG BST FLYBACK ADJ TSOT23-5

Analog Devices Inc.

4,781
LT1613CS5#TRPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 0.9V Boost, Flyback, SEPIC 10V 1.23V 34V 550mA (Switch) 1.4MHz - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
LT1617ES5#TRMPBF

LT1617ES5#TRMPBF

IC REG CUK ADJ 300MA TSOT23-5

Analog Devices Inc.

3,848
LT1617ES5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Negative Adjustable 1 1.2V Cuk 15V -1.2V -34V 300mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
LT1615ES5#TRMPBF

LT1615ES5#TRMPBF

IC REG BOOST SEPIC ADJ TSOT23-5

Analog Devices Inc.

3,733
LT1615ES5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1V Boost, SEPIC 15V 1.23V 34V 300mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
LT1617ES5-1#TRMPBF

LT1617ES5-1#TRMPBF

IC REG CUK ADJ 75MA TSOT23-5

Analog Devices Inc.

1,849
LT1617ES5-1#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Negative Adjustable 1 1V Cuk 15V -1V -34V 75mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount TSOT-23-5
LM2577SX-ADJ/NOPB

LM2577SX-ADJ/NOPB

IC REG BST FLYBACK ADJ 3A TO263

Texas Instruments

928
LM2577SX-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 3.5V Boost, Flyback, Forward Converter 40V 1.23V 60V (Switch) 3A (Switch) 52kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2592HVS-ADJ/NOPB

LM2592HVS-ADJ/NOPB

IC REG BUCK ADJ 2A TO263

Texas Instruments

1,963
LM2592HVS-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 1.2V 57V 2A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LT3971EDD-5#PBF

LT3971EDD-5#PBF

IC REG BUCK 5V 1.2A 10DFN

Analog Devices Inc.

9,835
LT3971EDD-5#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Fixed 1 4.3V Buck 38V 5V - 1.2A 200kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT8609IMSE#PBF

LT8609IMSE#PBF

IC REG BUCK ADJ 3A 10MSOP

Analog Devices Inc.

4,740
LT8609IMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
TPS543B20RVFR

TPS543B20RVFR

IC REG BUCK ADJ 25A 40LQFN

Texas Instruments

919
TPS543B20RVFR

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)
MAX20008AFOC/VY+

MAX20008AFOC/VY+

IC REG BUCK 5V 8A 17FC2QFN

Analog Devices Inc./Maxim Integrated

3,909
MAX20008AFOC/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Fixed 1 3.5V Buck 36V 5V - 8A 220kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
MAX17575ATC+T

MAX17575ATC+T

IC REG BUCK ADJ 1.5A 12TDFN

Analog Devices Inc./Maxim Integrated

3,247
MAX17575ATC+T

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 1.5A 400kHz ~ 2.2MHz - No - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
MAX5035DASA+T

MAX5035DASA+T

IC REG BUCK ADJ 1A 8SOIC

Analog Devices Inc./Maxim Integrated

2,691
MAX5035DASA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.5V Buck 76V 1.25V 13.2V 1A 125kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
ADP2442ACPZ-R7

ADP2442ACPZ-R7

IC REG BUCK ADJ 1A 12LFCSP

Analog Devices Inc.

5,460
ADP2442ACPZ-R7

Datasheet

- 12-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 36V 0.6V 32.4V 1A 300kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LFCSP-WQ (3x3)
LT3502EMS#TRPBF

LT3502EMS#TRPBF

IC REG BUCK ADJ 500MA 10MSOP

Analog Devices Inc.

4,671
LT3502EMS#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 40V 0.8V 36V 500mA 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
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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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