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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
LT3973IMSE-3.3#PBF

LT3973IMSE-3.3#PBF

IC REG BUCK 3.3V 750MA 10MSOP

Analog Devices Inc.

151
LT3973IMSE-3.3#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 4.2V Buck 42V 3.3V - 750mA 195kHz ~ 2.15MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT3685EMSE#TRPBF

LT3685EMSE#TRPBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

4,459
LT3685EMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.79V 20V 2A 200kHz ~ 2.4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LTC3245IMSE#TRPBF

LTC3245IMSE#TRPBF

IC REG CHG PUMP ADJ 250MA 12MSOP

Analog Devices Inc.

3,815
LTC3245IMSE#TRPBF

Datasheet

- 12-TSSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable (Programmable) 1 2.7V Charge Pump 38V 2.5V (3.3V, 5V) 5V 250mA 450kHz - No - -40°C ~ 125°C (TJ) Surface Mount 12-MSOP-EP
LTC3534EGN#PBF

LTC3534EGN#PBF

IC REG BUCK BST ADJ 500MA 16SSOP

Analog Devices Inc.

963
LTC3534EGN#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Positive Adjustable 1 2.4V Buck-Boost 7V 1.8V 7V 500mA 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-SSOP
LT3512EMS#PBF

LT3512EMS#PBF

IC REG FLYBACK 420MA 16MSOP

Analog Devices Inc.

383
LT3512EMS#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads Tube Active Step-Up/Step-Down Positive or Negative, Isolation Capable - 1 4.5V Flyback 100V - - 420mA 40kHz ~ 650kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP
LM2588SX-ADJ/NOPB

LM2588SX-ADJ/NOPB

IC REG BST FLYBACK ADJ 5A TO263

Texas Instruments

1,247
LM2588SX-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 4V Boost, Flyback, Forward Converter 40V 1.23V 60V 5A (Switch) 100kHz ~ 200kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
MAX764CSA+

MAX764CSA+

IC REG BUCK BOOST ADJ/-1V 8SOIC

Analog Devices Inc./Maxim Integrated

674
MAX764CSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Negative Adjustable (Fixed) 1 3V Buck-Boost 16V -1V (-5V) -16V 260mA 300kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
MAX1692EUB+T

MAX1692EUB+T

IC REG BUCK ADJ 600MA 10UMAX

Analog Devices Inc./Maxim Integrated

1,318
MAX1692EUB+T

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 1.25V 5.5V 600mA 750kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 10-uMAX/uSOP
MAX765CSA+

MAX765CSA+

IC REG BUCK BOOST ADJ/-1V 8SOIC

Analog Devices Inc./Maxim Integrated

240
MAX765CSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Negative Adjustable (Fixed) 1 3V Buck-Boost 16V -1V (-12V) -16V 120mA 300kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
LT1767EMS8E-3.3#TRPBF

LT1767EMS8E-3.3#TRPBF

IC REG BCK SEPIC 3.3V 1.5A 8MSOP

Analog Devices Inc.

9,225
LT1767EMS8E-3.3#TRPBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 1 3V Buck, SEPIC 25V 3.3V - 1.5A 1.25MHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LT1054CS8#TRPBF

LT1054CS8#TRPBF

IC REG CHARGE PUMP ADJ/2.5V 8SO

Analog Devices Inc.

1,972
LT1054CS8#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 15V 2.5V (-Vin, 2Vin) 30V 100mA 25kHz - No - 0°C ~ 100°C (TJ) Surface Mount 8-SO
LT1054CS8#PBF

LT1054CS8#PBF

IC REG CHARGE PUMP ADJ/2.5V 8SO

Analog Devices Inc.

1,886
LT1054CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric, Step-Up Positive or Negative Adjustable (Fixed) 1 3.5V Charge Pump 15V 2.5V (-Vin, 2Vin) 30V 100mA 25kHz - No - 0°C ~ 100°C (TJ) Surface Mount 8-SO
LT1767EMS8E-3.3#PBF

LT1767EMS8E-3.3#PBF

IC REG BCK SEPIC 3.3V 1.5A 8MSOP

Analog Devices Inc.

768
LT1767EMS8E-3.3#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 3V Buck, SEPIC 25V 3.3V - 1.5A 1.25MHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LTC3630EDHC#TRPBF

LTC3630EDHC#TRPBF

IC REG BUCK ADJ 500MA 16DFN

Analog Devices Inc.

13,896
LTC3630EDHC#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive or Negative Adjustable (Programmable) 1 4V Buck 65V 0.8V (1.8V, 3.3V, 5V) 65V 500mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-DFN (5x3)
LTC3630EMSE#TRPBF

LTC3630EMSE#TRPBF

IC REG BUCK ADJ 500MA 16MSOP

Analog Devices Inc.

9,930
LTC3630EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive or Negative Adjustable (Programmable) 1 4V Buck 65V 0.8V (1.8V, 3.3V, 5V) 65V 500mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3637EMSE#TRPBF

LTC3637EMSE#TRPBF

IC REG BUCK ADJ 1A 16MSOP

Analog Devices Inc.

9,246
LTC3637EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 76V 0.8V 76V 1A - - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT1676CS8#PBF

LT1676CS8#PBF

IC REG BUCK ADJ 550MA 8SO

Analog Devices Inc.

6,985
LT1676CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 7.4V Buck 60V 1.24V 51V 550mA (Switch) 100kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LTC3637EMSE#PBF

LTC3637EMSE#PBF

IC REG BUCK ADJ 1A 16MSOP

Analog Devices Inc.

2,616
LTC3637EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 76V 0.8V 76V 1A - - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT1676CS8#TRPBF

LT1676CS8#TRPBF

IC REG BUCK ADJ 550MA 8SO

Analog Devices Inc.

2,559
LT1676CS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 7.4V Buck 60V 1.24V 51V 550mA (Switch) 100kHz - No - 0°C ~ 125°C (TJ) Surface Mount 8-SO
LT1777CS#PBF

LT1777CS#PBF

IC REG BUCK ADJ 550MA 16SO

Analog Devices Inc.

2,176
LT1777CS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 7.4V Buck 48V 1.24V 30V 550mA (Switch) 100kHz - No - 0°C ~ 125°C (TJ) Surface Mount 16-SO
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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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