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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
MAX756CPA+

MAX756CPA+

IC REG BOOST PROG 8PDIP

Analog Devices Inc./Maxim Integrated

2,899
MAX756CPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up Positive Programmable 1 0.7V Boost 7V 3.3V, 5V - - 500kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LTC3532EDD#TRPBF

LTC3532EDD#TRPBF

IC REG BUCK BST ADJ 500MA 10DFN

Analog Devices Inc.

8,256
LTC3532EDD#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.4V Buck-Boost 5.5V 2.4V 5.25V 500mA 300kHz ~ 2MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-DFN (3x3)
LTC1522CMS8#PBF

LTC1522CMS8#PBF

IC REG CHARGE PUMP 5V 20MA 8MSOP

Analog Devices Inc.

400
LTC1522CMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Fixed 1 2.7V Charge Pump 5V 5V - 20mA 700kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP
MAX735CPA+

MAX735CPA+

IC REG BUCK BST -5V 275MA 8PDIP

Analog Devices Inc./Maxim Integrated

245
MAX735CPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Step-Up/Step-Down Negative Fixed 1 4V Buck-Boost 6.2V -5V - 275mA 160kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LT1610CMS8#PBF

LT1610CMS8#PBF

IC REG BST SEPIC ADJ 450MA 8MSOP

Analog Devices Inc.

231
LT1610CMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 0.9V Boost, SEPIC 8V 1.23V 30V (Switch) 450mA (Switch) 1.7MHz - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP
LTC1502CMS8-3.3#PBF

LTC1502CMS8-3.3#PBF

IC REG CHRG PUMP 3.3V 10MA 8MSOP

Analog Devices Inc.

109
LTC1502CMS8-3.3#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Fixed 1 0.9V Charge Pump 1.8V 3.3V - 10mA 500kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-MSOP
LTC1261LIS8-4#PBF

LTC1261LIS8-4#PBF

IC REG CHARGE PUMP -4V 20MA 8SO

Analog Devices Inc.

2,838
LTC1261LIS8-4#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Negative Fixed 1 4.5V Charge Pump 5.25V -4V - 20mA 650kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
LT3437EFE#TRPBF

LT3437EFE#TRPBF

IC REG BUCK ADJ 500MA 16TSSOP

Analog Devices Inc.

3,075
LT3437EFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 60V 1.25V 57V 500mA (Switch) 200kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC1751EMS8-3.3#PBF

LTC1751EMS8-3.3#PBF

IC REG CHG PUMP 3.3V 100MA 8MSOP

Analog Devices Inc.

300
LTC1751EMS8-3.3#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Up Positive Fixed 1 2.5V Charge Pump 5.5V 3.3V - 100mA 800kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
LTC3548AEDD#PBF

LTC3548AEDD#PBF

IC REG BUCK BOOST ADJ DL 10DFN

Analog Devices Inc.

203
LTC3548AEDD#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down, Step-Up/Step-Down Positive Adjustable 2 2.5V Buck, Buck-Boost 5.5V 0.6V 5V 400mA, 800mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LTC3403EDD#PBF

LTC3403EDD#PBF

IC REG BUCK ADJ 600MA 8DFN

Analog Devices Inc.

109
LTC3403EDD#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.5V Buck 5V 0.3V 3.5V 600mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (3x3)
LTC3600IMSE#PBF

LTC3600IMSE#PBF

IC REG BUCK PROG 1.5A 12MSOP

Analog Devices Inc.

1,594
LTC3600IMSE#PBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Programmable 1 4V Buck 15V 0V 14.5V 1.5A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
ADP1111ARZ-5

ADP1111ARZ-5

IC REG BUCK BOOST 5V 400MA 8SOIC

Analog Devices Inc.

4,256
ADP1111ARZ-5

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive or Negative Fixed 1 2V Buck, Boost 30V 5V - 400mA (Switch) 72kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
ADP1111ARZ

ADP1111ARZ

IC REG BUCK BST ADJ 400MA 8SOIC

Analog Devices Inc.

2,986
ADP1111ARZ

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive or Negative Adjustable 1 2V Buck, Boost 30V 1.2V 30V 400mA (Switch) 72kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
ADP1111ARZ-3.3

ADP1111ARZ-3.3

IC REG BUCK BST 3.3V 400MA 8SOIC

Analog Devices Inc.

1,658
ADP1111ARZ-3.3

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive or Negative Fixed 1 2V Buck, Boost 30V 3.3V - 400mA (Switch) 72kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
TPS53915RVET

TPS53915RVET

IC REG BUCK ADJ 12A 28VQFN

Texas Instruments

10,720
TPS53915RVET

Datasheet

SWIFT™, D-CAP3™, Eco-Mode™ 28-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 18V 0.6V 5.5V 12A 200kHz ~ 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-VQFN-CLIP (4.5x3.5)
LTC3406ES5#TRPBF

LTC3406ES5#TRPBF

IC REG BUCK ADJ 600MA TSOT23-5

Analog Devices Inc.

3,350
LTC3406ES5#TRPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 600mA 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-23-5
LTC3309AHV#TRMPBF

LTC3309AHV#TRMPBF

IC REG BUCK PROG 6A 12LQFN

Analog Devices Inc.

856
LTC3309AHV#TRMPBF

Datasheet

Silent Switcher®1 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Programmable 1 2.25V Buck 5.5V 0.5V 2.25V 6A Up to 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 12-LQFN (2x2)
LTC3129IMSE-1#PBF

LTC3129IMSE-1#PBF

IC REG BCK BST PROG 200MA 16MSOP

Analog Devices Inc.

2,540
LTC3129IMSE-1#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Programmable 1 1.92V Buck-Boost 15V 2.5V 15V 200mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC1046CN8#PBF

LTC1046CN8#PBF

IC REG CHARG PUMP INV 50MA 8PDIP

Analog Devices Inc.

486
LTC1046CN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 6V -Vin, 2Vin, Vin/2 - 50mA 5.5kHz ~ 30kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
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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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