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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
LT1317BIS8#PBF

LT1317BIS8#PBF

IC REG BST SEPIC ADJ 710MA 8SO

Analog Devices Inc.

185
LT1317BIS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Up/Step-Down Positive Adjustable 1 1.5V Boost, SEPIC 12V 1.24V 30V (Switch) 710mA (Switch) 620kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SO
MAX1701EEE+

MAX1701EEE+

IC REG BOOST ADJ 1.1A 16QSOP

Analog Devices Inc./Maxim Integrated

200
MAX1701EEE+

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Step-Up Positive Adjustable 1 0.7V Boost 5.5V 2.2V 5.5V 1.1A (Switch) 300kHz - No - -40°C ~ 85°C (TA) Surface Mount 16-QSOP
LTC660CN8#PBF

LTC660CN8#PBF

IC REG CHRG PUMP INV 100MA 8PDIP

Analog Devices Inc.

4,230
LTC660CN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V, 2.5V Charge Pump 5.5V -Vin, 2Vin, Vin/2 - 100mA 10kHz, 80kHz - No - 0°C ~ 70°C (TA) Through Hole 8-PDIP
LTC3631IMS8E-3.3#PBF

LTC3631IMS8E-3.3#PBF

IC REG BUCK 3.3V 100MA 8MSOP

Analog Devices Inc.

774
LTC3631IMS8E-3.3#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive or Negative Fixed 1 4.5V Buck 45V 3.3V - 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LTC3631IDD-3.3#PBF

LTC3631IDD-3.3#PBF

IC REG BUCK 3.3V 100MA 8DFN

Analog Devices Inc.

374
LTC3631IDD-3.3#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive or Negative Fixed 1 4.5V Buck 45V 3.3V - 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LT3957AIUHE#PBF

LT3957AIUHE#PBF

IC REG BOOST CUK ADJ 5A 36QFN

Analog Devices Inc.

356
LT3957AIUHE#PBF

Datasheet

- 36-WFQFN, 28 Leads, Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Boost, Cuk, Flyback, SEPIC 40V 1.6V 40V (Switch) 5A (Switch) 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LTC3631IDD-5#PBF

LTC3631IDD-5#PBF

IC REG BUCK 5V 100MA 8DFN

Analog Devices Inc.

230
LTC3631IDD-5#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive or Negative Fixed 1 4.5V Buck 45V 5V - 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LTC3646HMSE#PBF

LTC3646HMSE#PBF

IC REG BUCK ADJ 1A 16MSOP

Analog Devices Inc.

178
LTC3646HMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 2V 30V 1A 200kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LTC3631IMS8E-5#PBF

LTC3631IMS8E-5#PBF

IC REG BUCK 5V 100MA 8MSOP

Analog Devices Inc.

150
LTC3631IMS8E-5#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive or Negative Fixed 1 4.5V Buck 45V 5V - 100mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LTC3646HDE#PBF

LTC3646HDE#PBF

IC REG BUCK ADJ 1A 14DFN

Analog Devices Inc.

109
LTC3646HDE#PBF

Datasheet

- 14-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 40V 2V 30V 1A 200kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 14-DFN (4x3)
LT3957IUHE#PBF

LT3957IUHE#PBF

IC REG BOOST CUK ADJ 5A 36QFN

Analog Devices Inc.

2,817
LT3957IUHE#PBF

Datasheet

- 36-WFQFN, 28 Leads, Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Boost, Cuk, Flyback, SEPIC 40V 1.6V 40V (Switch) 5A (Switch) 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
ICL7662EBD+

ICL7662EBD+

IC REG CHARGE PUMP 14SOIC

Analog Devices Inc./Maxim Integrated

3,486
ICL7662EBD+

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Negative Fixed 1 4.5V Charge Pump 20V -Vin - - 10kHz - No - -40°C ~ 85°C (TA) Surface Mount 14-SOIC
LTC3407AIDD-2#PBF

LTC3407AIDD-2#PBF

IC REG BUCK ADJ 800MA DL 10DFN

Analog Devices Inc.

1,435
LTC3407AIDD-2#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.5V Buck 5.5V 0.6V 5V 800mA 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LT3975IMSE#PBF

LT3975IMSE#PBF

IC REG BUCK ADJ 2.5A 16MSOP

Analog Devices Inc.

165
LT3975IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.3V Buck 42V 1.197V 40.74V 2.5A 200kHz ~ 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
TPS549B22RVFT

TPS549B22RVFT

IC REG BUCK ADJ 25A 40LQFN

Texas Instruments

2,628
TPS549B22RVFT

Datasheet

SWIFT™ 40-PowerLFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 18V 0.6V 5.5V 25A Adjustable - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-LQFN-CLIP (7x5)
MAX5082ATE+

MAX5082ATE+

IC REG BUCK ADJ 1.5A 16TQFN

Analog Devices Inc./Maxim Integrated

128
MAX5082ATE+

Datasheet

- 16-WQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 40V 1.23V 32V 1.5A 250kHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-TQFN (5x5)
LTC1174CS8-3.3#PBF

LTC1174CS8-3.3#PBF

IC REG BUCK BOOST 3.3V 8SO

Analog Devices Inc.

1,404
LTC1174CS8-3.3#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Fixed 1 4V Buck, Buck-Boost 13.5V 3.3V - 340mA, 600mA 200kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT3482EUD#TRPBF

LT3482EUD#TRPBF

IC REG BST CHARGE PUMP ADJ 16QFN

Analog Devices Inc.

1,694
LT3482EUD#TRPBF

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 2.5V Boost, Charge Pump 16V 5V 90V 280mA (Switch) 650kHz ~ 1.1MHz - No - -40°C ~ 85°C (TA) Surface Mount 16-QFN (3x3)
LTC3412AEFE#PBF

LTC3412AEFE#PBF

IC REG BUCK ADJ 3A 16TSSOP

Analog Devices Inc.

1,032
LTC3412AEFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.25V Buck 5.5V 0.8V 5V 3A 300kHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC3417AEDHC#TRPBF

LTC3417AEDHC#TRPBF

IC REG BCK ADJ 1A/1.5A DL 16DFN

Analog Devices Inc.

1,009
LTC3417AEDHC#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 2.25V Buck 5.5V 0.8V 5V 1A, 1.5A 1.5MHz, 600kHz ~ 4MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 16-DFN (5x3)
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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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