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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
LTC3442EDE#TRPBF

LTC3442EDE#TRPBF

IC REG BUCK BOOST ADJ 1.2A 12DFN

Analog Devices Inc.

1,776
LTC3442EDE#TRPBF

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.4V Buck-Boost 5.5V 2.4V 5.25V 1.2A 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-DFN (4x3)
LM2587S-ADJ/NOPB

LM2587S-ADJ/NOPB

IC REG BST FLYBACK ADJ 5A TO263

Texas Instruments

343
LM2587S-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 4V Boost, Flyback, Forward Converter 40V 1.23V 60V 5A (Switch) 100kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
MAX686EEE+

MAX686EEE+

IC REG BOOST ADJ 600MA 16QSOP

Analog Devices Inc./Maxim Integrated

622
MAX686EEE+

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Up Positive or Negative Adjustable 1 0.8V Boost 27.5V ±1.25V ±27.5V 600mA (Switch) 300kHz - No - -40°C ~ 85°C (TA) Surface Mount 16-QSOP
LT3988HMSE#PBF

LT3988HMSE#PBF

IC REG BUCK ADJ 1A DL 16MSOP

Analog Devices Inc.

664
LT3988HMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 2 4.1V Buck 60V 0.75V 59.4V 1A 250kHz ~ 2.15MHz - No - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LTC7124IUDD#PBF

LTC7124IUDD#PBF

IC REG BUCK ADJ 3.5A DL 24QFN

Analog Devices Inc.

420
LTC7124IUDD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.1V Buck 17V 0.6V 16.8V 3.5A 4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (3x5)
LTC3623IUDD#PBF

LTC3623IUDD#PBF

IC REG BUCK ADJ 5A 24QFN

Analog Devices Inc.

148
LTC3623IUDD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 1.5V Buck 15V 0V 14.5V 5A 400kHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (3x5)
MAX8646ETG+

MAX8646ETG+

IC REG BUCK ADJ 6A 24TQFN

Analog Devices Inc./Maxim Integrated

142
MAX8646ETG+

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.35V Buck 3.6V 0.6V 3.24V 6A 500kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 24-TQFN (4x4)
LTC3616IUDD#TRPBF

LTC3616IUDD#TRPBF

IC REG BUCK ADJ 6A 24QFN

Analog Devices Inc.

3,820
LTC3616IUDD#TRPBF

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.6V 5.5V 6A 300kHz ~ 4MHz - Yes - -55°C ~ 150°C (TJ) Surface Mount 24-QFN (3x5)
LT8315IFE#TRPBF

LT8315IFE#TRPBF

IC REG FLYBACK 800MA 20TSSOP

Analog Devices Inc.

6,579
LT8315IFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down, Step-Up/Step-Down Positive, Isolation Capable Fixed 1 18V Flyback 560V - - 800mA 220Hz ~ 140kHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LTC3115IFE-1#PBF

LTC3115IFE-1#PBF

IC REG BUCK BOOST ADJ 20TSSOP

Analog Devices Inc.

3,037
LTC3115IFE-1#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A, 2A 100kHz ~ 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LT1376IS8-5#PBF

LT1376IS8-5#PBF

IC REG BUCK SEPIC 5V 1.5A 8SO

Analog Devices Inc.

336
LT1376IS8-5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Fixed 1 5V Buck, SEPIC 25V 5V - 1.5A (Switch) 500kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO
LT1373IS8#PBF

LT1373IS8#PBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

125
LT1373IS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 2.7V Buck, Boost, Cuk, Flyback, Forward Converter, SEPIC 30V 1.245V 35V (Switch) 1.5A (Switch) 250kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SO
LT8616IUDE#PBF

LT8616IUDE#PBF

IC REG BUCK ADJ 1.5A/2.5A 28QFN

Analog Devices Inc.

3,318
LT8616IUDE#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.4V Buck 42V 0.79V 41.8V 1.5A, 2.5A 200kHz ~ 3MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 28-QFN (3x6)
LT1076CQ#TRPBF

LT1076CQ#TRPBF

IC REG BUCK BOOST ADJ 2A DDPAK-5

Analog Devices Inc.

2,180
LT1076CQ#TRPBF

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) 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) Surface Mount DDPAK-5
LT1076CQ-5#PBF

LT1076CQ-5#PBF

IC REG BUCK BOOST 5V 2A DDPAK-5

Analog Devices Inc.

109
LT1076CQ-5#PBF

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 8V Buck, Boost, Flyback 45V 5V - 2A (Switch) 100kHz - No - 0°C ~ 70°C (TA) Surface Mount DDPAK-5
LT1959CS8#TRPBF

LT1959CS8#TRPBF

IC REG BUCK SEPIC ADJ 4.5A 8SO

Analog Devices Inc.

2,743
LT1959CS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.3V Buck, SEPIC 15V 1.21V 12.9V 4.5A (Switch) 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LT8640SEV#PBF

LT8640SEV#PBF

IC REG BUCK ADJ 6A 24LQFN

Analog Devices Inc.

1,068
LT8640SEV#PBF

Datasheet

Silent Switcher®2 24-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 6A 200kHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-LQFN (4x4)
LTC3114HDHC-1#TRPBF

LTC3114HDHC-1#TRPBF

IC REG BUCK BOOST ADJ 1A 16DFN

Analog Devices Inc.

2,047
LTC3114HDHC-1#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A 1.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-DFN (5x3)
LTC3114HDHC-1#PBF

LTC3114HDHC-1#PBF

IC REG BUCK BOOST ADJ 1A 16DFN

Analog Devices Inc.

1,383
LTC3114HDHC-1#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.2V Buck-Boost 40V 2.7V 40V 1A 1.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-DFN (5x3)
LT3693IDD#PBF

LT3693IDD#PBF

IC REG BUCK ADJ 3.5A 10DFN

Analog Devices Inc.

1,675
LT3693IDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 30V 3.5A 230kHz ~ 2.45MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
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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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