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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
LTC3609IWKG#PBF

LTC3609IWKG#PBF

IC REG BUCK ADJ 6A 52QFN

Analog Devices Inc.

689
LTC3609IWKG#PBF

Datasheet

- 52-VFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 32V 0.6V 32V 6A - - No - -40°C ~ 125°C (TJ) Surface Mount 52-QFN-Multipad (7x8)
LT8301MPS5#TRMPBF

LT8301MPS5#TRMPBF

IC REG FLYBACK 1.2A TSOT23-5

Analog Devices Inc.

3,561
LT8301MPS5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 2.7V Flyback 42V - - 1.2A Down to 10kHz - No - -55°C ~ 150°C (TJ) Surface Mount TSOT-23-5
LT1268CQ#PBF

LT1268CQ#PBF

IC REG BUCK BST ADJ 7.5A DDPAK-5

Analog Devices Inc.

187
LT1268CQ#PBF

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3.5V Buck, Boost, Flyback 30V 1.244V 60V (Switch) 7.5A (Switch) 150kHz - No - 0°C ~ 125°C (TJ) Surface Mount DDPAK-5
LT8300MPS5#TRMPBF

LT8300MPS5#TRMPBF

IC REG FLYBACK 260MA TSOT23-5

Analog Devices Inc.

1,260
LT8300MPS5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 6V Flyback 100V - - 260mA 7.5kHz ~ 750kHz - No - -55°C ~ 150°C (TJ) Surface Mount TSOT-23-5
LTC7132EY#PBF

LTC7132EY#PBF

IC REG BCK ADJ 25A/25A DL 140BGA

Analog Devices Inc.

2,466
LTC7132EY#PBF

Datasheet

- 140-FBGA Tray Active Step-Down Positive Adjustable 2 4.5V Buck 20V 0.5V 5.5V 25A, 25A 200kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 140-BGA (11.25x9)
MAX743CPE+

MAX743CPE+

IC REG BCK BST PROG 2A DL 16PDIP

Analog Devices Inc./Maxim Integrated

101
MAX743CPE+

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Active Step-Up Positive and Negative (Dual Rail) Programmable 2 4.2V Boost, Buck-Boost 6V ±12V, ±15V - 2A (Switch) 200kHz - No - 0°C ~ 70°C (TA) Through Hole 16-PDIP
LTC3637MPDHC#PBF

LTC3637MPDHC#PBF

IC REG BUCK ADJ 1A 16DFN

Analog Devices Inc.

1,111
LTC3637MPDHC#PBF

Datasheet

- 16-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 76V 0.8V 76V 1A - - No - -55°C ~ 150°C (TJ) Surface Mount 16-DFN (5x3)
LT1370HVIR#PBF

LT1370HVIR#PBF

IC REG BUCK BOOST ADJ 6A DDPAK-7

Analog Devices Inc.

220
LT1370HVIR#PBF

Datasheet

- TO-263-8, D2PAK (7 Leads + Tab), TO-263CA 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 42V (Switch) 6A (Switch) 500kHz - No - 0°C ~ 70°C (TA) Surface Mount DDPAK-7
LTC3265MPDHC#PBF

LTC3265MPDHC#PBF

IC REG CHARGE PUMP INV DL 18DFN

Analog Devices Inc.

2,107
LTC3265MPDHC#PBF

Datasheet

- 18-WFDFN Exposed Pad Tube Active Ratiometric Positive and Negative (Dual Rail) Fixed 2 4.5V Charge Pump 32V -Vin, 2Vin - 100mA 50kHz ~ 500kHz - No - -55°C ~ 150°C (TJ) Surface Mount 18-DFN (5x3)
LTC3639MPMSE#PBF

LTC3639MPMSE#PBF

IC REG BUCK ADJ 100MA 16MSOP

Analog Devices Inc.

213
LTC3639MPMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 150V 0.8V 150V 100mA - - Yes - -55°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT3480MPMSE#PBF

LT3480MPMSE#PBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

2,015
LT3480MPMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 20V 2A 200kHz ~ 2.4MHz - No - -55°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LT1074HVIT7#PBF

LT1074HVIT7#PBF

IC REG BUCK BST ADJ 5.5A TO220-7

Analog Devices Inc.

702
LT1074HVIT7#PBF

Datasheet

- TO-220-7 Formed Leads Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 8V Buck, Boost, Flyback 64V 2.5V 35V 5.5A (Switch) 100kHz - No - -40°C ~ 125°C Through Hole TO-220-7
LTC3115MPFE-1#PBF

LTC3115MPFE-1#PBF

IC REG BUCK BOOST ADJ 20TSSOP

Analog Devices Inc.

1,072
LTC3115MPFE-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 - -55°C ~ 150°C (TJ) Surface Mount 20-TSSOP-EP
AOZ6662DI-01

AOZ6662DI-01

IC REG BUCK ADJ 2A 8DFN

Alpha & Omega Semiconductor Inc.

199,265
AOZ6662DI-01

Datasheet

EZBuck™ 8-SMD, Flat Leads Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 6V 2A 750kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN-EP (3x3)
TPS563207SDRLR

TPS563207SDRLR

IC REG BUCK ADJ 3A SOT563

Texas Instruments

13,439
TPS563207SDRLR

Datasheet

D-CAP2™ SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.3V Buck 17V 0.806V 7V 3A 580kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-563
TPS562207SDRLR

TPS562207SDRLR

IC REG BUCK ADJ 2A SOT563

Texas Instruments

4,882
TPS562207SDRLR

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.3V Buck 17V 0.804V 7V 2A 580kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount SOT-563
AOZ6762DI

AOZ6762DI

IC REG BUCK ADJ 2A 8DFN

Alpha & Omega Semiconductor Inc.

3,141
AOZ6762DI

Datasheet

EZBuck™ 8-SMD, Flat Leads Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.6V 11.7V 2A 1.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN-EP (3x3)
AP3402KTTR-G1

AP3402KTTR-G1

IC REG BUCK ADJ 2A TSOT26

Diodes Incorporated

2,395
AP3402KTTR-G1

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Not For New Designs Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.5V 2A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount TSOT-26
AP3441LSHE-7B

AP3441LSHE-7B

IC REG BUCK ADJ 3A UDFN20208

Diodes Incorporated

3,125
AP3441LSHE-7B

Datasheet

- 8-UFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 5.5V 3A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount U-DFN2020-8 (Type E)
AP61201Z6-7

AP61201Z6-7

IC REG BUCK ADJ 2A SOT563

Diodes Incorporated

2,355
AP61201Z6-7

Datasheet

- SOT-563, SOT-666 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.3V Buck 5.5V 0.6V 3.6V 2A 1.3MHz - Yes - -40°C ~ 85°C (TA) Surface Mount SOT-563
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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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