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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
LM2596S-ADJ/NOPB

LM2596S-ADJ/NOPB

IC REG BUCK ADJ 3A TO263

Texas Instruments

2,104
LM2596S-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Adjustable 1 4.5V Buck 40V 1.2V 37V 3A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2596S-5.0/NOPB

LM2596S-5.0/NOPB

IC REG BUCK 5V 3A TO263

Texas Instruments

863
LM2596S-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 5V - 3A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LM2596S-12/NOPB

LM2596S-12/NOPB

IC REG BUCK 12V 3A TO263

Texas Instruments

625
LM2596S-12/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Down Positive Fixed 1 4.5V Buck 40V 12V - 3A 150kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-5)
LT1946AEMS8E#PBF

LT1946AEMS8E#PBF

IC REG BST SEPIC ADJ 1.5A 8MSOP

Analog Devices Inc.

395
LT1946AEMS8E#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 2.45V Boost, SEPIC 16V 2.45V 35V 1.5A (Switch) 2.7MHz - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP-EP
TPS54560DDA

TPS54560DDA

IC REG BCK SPLIT RAIL ADJ 8SOPWR

Texas Instruments

1,666
TPS54560DDA

Datasheet

Eco-Mode™ 8-PowerSOIC (0.154", 3.90mm Width) Tube Not For New Designs Step-Down Positive Adjustable 1 4.5V Buck, Split Rail 60V 0.8V 58.8V 5A 100kHz ~ 2.5MHz - No - -40°C ~ 150°C (TJ) Surface Mount 8-SO PowerPad
LTC3525ESC6-5#TRPBF

LTC3525ESC6-5#TRPBF

IC REG BOOST 5V 175MA SC70-6

Analog Devices Inc.

13,742
LTC3525ESC6-5#TRPBF

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 1V Boost 4.5V 5V - 175mA - - Yes - -40°C ~ 85°C (TA) Surface Mount SC-70-6
LTC1983ES6-3#TRMPBF

LTC1983ES6-3#TRMPBF

IC REG CHARGE PUMP -3V TSOT23-6

Analog Devices Inc.

8,884
LTC1983ES6-3#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Negative Fixed 1 2.3V Charge Pump 5.5V -3V - 100mA 900kHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
LTC1983ES6-3#TRPBF

LTC1983ES6-3#TRPBF

IC REG CHARGE PUMP -3V TSOT23-6

Analog Devices Inc.

7,360
LTC1983ES6-3#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Negative Fixed 1 2.3V Charge Pump 5.5V -3V - 100mA 900kHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
LTC1983ES6-5#TRMPBF

LTC1983ES6-5#TRMPBF

IC REG CHARGE PUMP -5V TSOT23-6

Analog Devices Inc.

4,453
LTC1983ES6-5#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Negative Fixed 1 2.3V Charge Pump 5.5V -5V - 100mA 900kHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
LTC3525ESC6-5#TRMPBF

LTC3525ESC6-5#TRMPBF

IC REG BOOST 5V 175MA SC70-6

Analog Devices Inc.

4,234
LTC3525ESC6-5#TRMPBF

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 1V Boost 4.5V 5V - 175mA - - Yes - -40°C ~ 85°C (TA) Surface Mount SC-70-6
LTC1754ES6-5#TRMPBF

LTC1754ES6-5#TRMPBF

IC REG CHRG PUMP 5V 50MA TSOT23

Analog Devices Inc.

3,610
LTC1754ES6-5#TRMPBF

Datasheet

- SOT-23-6 Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.7V Charge Pump 5V 5V - 50mA 700kHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
LTC1983ES6-5#TRPBF

LTC1983ES6-5#TRPBF

IC REG CHARGE PUMP -5V TSOT23-6

Analog Devices Inc.

3,145
LTC1983ES6-5#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Down Negative Fixed 1 2.3V Charge Pump 5.5V -5V - 100mA 900kHz - No - -40°C ~ 85°C (TA) Surface Mount TSOT-23-6
LTC3221EDC-5#TRMPBF

LTC3221EDC-5#TRMPBF

IC REG CHARGE PUMP 5V 60MA 6DFN

Analog Devices Inc.

3,115
LTC3221EDC-5#TRMPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 60mA 600kHz - No - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x2)
LTC3221EDC#TRMPBF

LTC3221EDC#TRMPBF

IC REG CHARGE PUMP ADJ 60MA 6DFN

Analog Devices Inc.

2,318
LTC3221EDC#TRMPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 1.8V Charge Pump 5.5V 1.23V 11V 60mA 600kHz - No - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x2)
ADP2504ACPZ-3.3-R7

ADP2504ACPZ-3.3-R7

IC REG BUCK BST 3.3V 1A 10LFCSP

Analog Devices Inc.

1,539
ADP2504ACPZ-3.3-R7

Datasheet

- 10-VFDFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Up/Step-Down Positive Fixed 1 2.3V Buck-Boost 5.5V 3.3V - 1A 2.5MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 10-LFCSP-WD (3x3)
LTC3525ESC6-3.3#TRMPBF

LTC3525ESC6-3.3#TRMPBF

IC REG BOOST 3.3V 140MA SC70-6

Analog Devices Inc.

1,512
LTC3525ESC6-3.3#TRMPBF

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 1V Boost 4.5V 3.3V - 140mA - - Yes - -40°C ~ 85°C (TA) Surface Mount SC-70-6
LTC3221EDC-5#TRPBF

LTC3221EDC-5#TRPBF

IC REG CHARGE PUMP 5V 60MA 6DFN

Analog Devices Inc.

501
LTC3221EDC-5#TRPBF

Datasheet

- 6-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.7V Charge Pump 5.5V 5V - 60mA 600kHz - No - -40°C ~ 85°C (TA) Surface Mount 6-DFN (2x2)
MAX20022ATIA+T

MAX20022ATIA+T

IC REG BUCK ADJ 1A QUAD 28TQFN

Analog Devices Inc./Maxim Integrated

1,816
MAX20022ATIA+T

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 4 3V Buck 5.5V 1V 4V 1A 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-TQFN (5x5)
ISL8014AIRZ-T

ISL8014AIRZ-T

IC REG BUCK ADJ 4A 16QFN

Renesas Electronics Corporation

15,968
ISL8014AIRZ-T

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.8V Buck 5.5V 0.8V 5.5V 4A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-QFN (4x4)
MAX868EUB+

MAX868EUB+

IC REG CHRG PUMP INV 30MA 10UMAX

Analog Devices Inc./Maxim Integrated

4,852
MAX868EUB+

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Ratiometric Negative Adjustable (Programmable) 1 1.8V Charge Pump 5.5V -Vin, -2Vin -2Vin 30mA 270kHz ~ 630kHz - No - -40°C ~ 85°C (TA) Surface Mount 10-uMAX/uSOP
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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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