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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
LT1054LCS8#TRPBF

LT1054LCS8#TRPBF

IC REG CHARGE PUMP ADJ/2.5V 8SO

Analog Devices Inc.

1,894
LT1054LCS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric, Step-Up Positive or Negative Adjustable (Fixed) 1 3.5V Charge Pump 7V 2.5V (-Vin, 2Vin) 14V 120mA 25kHz - No - 0°C ~ 100°C (TJ) Surface Mount 8-SO
LTC1261LCMS8#PBF

LTC1261LCMS8#PBF

IC REG CHARG PUMP ADJ 20MA 8MSOP

Analog Devices Inc.

2,719
LTC1261LCMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up/Step-Down Negative Adjustable 1 2.7V Charge Pump 5.25V -1.23V -5V 20mA 650kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP
MAX889TESA+

MAX889TESA+

IC REG CHRG PUMP ADJ 200MA 8SOIC

Analog Devices Inc./Maxim Integrated

2,671
MAX889TESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Negative Adjustable 1 2.7V Charge Pump 5.5V -2.5V -5.5V 200mA 2MHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
LTC3601EUD#TRPBF

LTC3601EUD#TRPBF

IC REG BUCK ADJ 1.5A 16QFN

Analog Devices Inc.

2,210
LTC3601EUD#TRPBF

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 15V 0.6V 14.52V 1.5A 2MHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LTC3601EMSE#TRPBF

LTC3601EMSE#TRPBF

IC REG BUCK ADJ 1.5A 16MSOP

Analog Devices Inc.

1,418
LTC3601EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 15V 0.6V 14.52V 1.5A 2MHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3601EUD#PBF

LTC3601EUD#PBF

IC REG BUCK ADJ 1.5A 16QFN

Analog Devices Inc.

379
LTC3601EUD#PBF

Datasheet

- 16-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 15V 0.6V 14.52V 1.5A 2MHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-QFN (3x3)
LT3463AEDD#PBF

LT3463AEDD#PBF

IC REG BST CHG PUMP ADJ DL 10DFN

Analog Devices Inc.

18,339
LT3463AEDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Up Positive and Negative (Dual Rail) Adjustable 2 2.4V Boost, Charge Pump 15V ±1.25V ±40V 180mA (Switch), 320mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 10-DFN (3x3)
LT3463EDD#TRPBF

LT3463EDD#TRPBF

IC REG BST CHG PUMP ADJ DL 10DFN

Analog Devices Inc.

5,275
LT3463EDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive and Negative (Dual Rail) Adjustable 2 2.4V Boost, Charge Pump 15V ±1.25V ±40V 180mA (Switch), 320mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 10-DFN (3x3)
LT3463AEDD#TRPBF

LT3463AEDD#TRPBF

IC REG BST CHG PUMP ADJ DL 10DFN

Analog Devices Inc.

4,040
LT3463AEDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive and Negative (Dual Rail) Adjustable 2 2.4V Boost, Charge Pump 15V ±1.25V ±40V 180mA (Switch), 320mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 10-DFN (3x3)
LT3463EDD#PBF

LT3463EDD#PBF

IC REG BST CHG PUMP ADJ DL 10DFN

Analog Devices Inc.

1,255
LT3463EDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Up Positive and Negative (Dual Rail) Adjustable 2 2.4V Boost, Charge Pump 15V ±1.25V ±40V 180mA (Switch), 320mA (Switch) - - No - 0°C ~ 70°C (TA) Surface Mount 10-DFN (3x3)
MAX17504ATP+

MAX17504ATP+

IC REG BUCK ADJ 3.5A 20TQFN

Analog Devices Inc./Maxim Integrated

1,411
MAX17504ATP+

Datasheet

Himalaya 20-WQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TQFN (5x5)
LT3502AIDC#TRPBF

LT3502AIDC#TRPBF

IC REG BUCK ADJ 500MA 8DFN

Analog Devices Inc.

10,224
LT3502AIDC#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 40V 0.8V 32V 500mA 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LTC3122EMSE#TRPBF

LTC3122EMSE#TRPBF

IC REG BOOST ADJ 2.5A 12MSOP

Analog Devices Inc.

6,283
LTC3122EMSE#TRPBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2.2V 15V 2.5A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
LT3502AIDC#TRMPBF

LT3502AIDC#TRMPBF

IC REG BUCK ADJ 500MA 8DFN

Analog Devices Inc.

4,535
LT3502AIDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 40V 0.8V 32V 500mA 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LT1615IS5-1#TRMPBF

LT1615IS5-1#TRMPBF

IC REG BOOST SEPIC ADJ TSOT23-5

Analog Devices Inc.

1,995
LT1615IS5-1#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 - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
LT1615IS5#TRMPBF

LT1615IS5#TRMPBF

IC REG BOOST SEPIC ADJ TSOT23-5

Analog Devices Inc.

1,778
LT1615IS5#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 - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
LTC3122EDE#TRPBF

LTC3122EDE#TRPBF

IC REG BOOST ADJ 2.5A 12DFN

Analog Devices Inc.

1,658
LTC3122EDE#TRPBF

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2.2V 15V 2.5A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-DFN (4x3)
LTC3122EDE#PBF

LTC3122EDE#PBF

IC REG BOOST ADJ 2.5A 12DFN

Analog Devices Inc.

1,516
LTC3122EDE#PBF

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2.2V 15V 2.5A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-DFN (4x3)
LT3970EDDB#TRMPBF

LT3970EDDB#TRMPBF

IC REG BUCK ADJ 350MA 10DFN

Analog Devices Inc.

1,850
LT3970EDDB#TRMPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.2V Buck 40V 1.21V 25V 350mA 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x2)
TPS53355DQPR

TPS53355DQPR

IC REG BUCK ADJ 30A 22LSON-CLIP

Texas Instruments

3,407
TPS53355DQPR

Datasheet

D-CAP™, Eco-Mode™ 22-PowerLFDFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 15V 0.6V 5.5V 30A 250kHz ~ 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 22-LSON-CLIP (6x5)
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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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