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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
LTC1877EMS8#TRPBF

LTC1877EMS8#TRPBF

IC REG BUCK ADJ 600MA 8MSOP

Analog Devices Inc.

10,856
LTC1877EMS8#TRPBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.65V Buck 10V 0.8V 10V 600mA 550kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
LTC1877EMS8#PBF

LTC1877EMS8#PBF

IC REG BUCK ADJ 600MA 8MSOP

Analog Devices Inc.

3,389
LTC1877EMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 2.65V Buck 10V 0.8V 10V 600mA 550kHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-MSOP
LT8619IMSE#TRPBF

LT8619IMSE#TRPBF

IC REG BUCK ADJ 1.2A 16MSOP

Analog Devices Inc.

2,367
LT8619IMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 60V 0.8V 59.4V 1.2A 300kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8609AJDDM#TRPBF

LT8609AJDDM#TRPBF

IC REG BUCK ADJ 3A 10DFN

Analog Devices Inc.

932
LT8609AJDDM#TRPBF

Datasheet

- 10-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount, Wettable Flank 10-DFN (3x3)
LT8644SIV#TRMPBF

LT8644SIV#TRMPBF

IC REG BUCK ADJ 16A 24LQFN

Analog Devices Inc.

432
LT8644SIV#TRMPBF

Datasheet

Silent Switcher®2 24-TFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 1.5V Buck 8V 0.6V 8V 16A 300kHz ~ 3.5MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-LQFN (4x4)
LT3509EMSE#TRPBF

LT3509EMSE#TRPBF

IC REG BUCK ADJ 700MA DL 16MSOP

Analog Devices Inc.

8,220
LT3509EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3.6V Buck 36V 0.8V 34.2V 700mA 260kHz ~ 2.15MHz - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3958EUHE#TRPBF

LT3958EUHE#TRPBF

IC REG BOOST CUK ADJ 3.3A 36QFN

Analog Devices Inc.

7,317
LT3958EUHE#TRPBF

Datasheet

- 36-WFQFN, 28 Leads, Exposed Pad Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 5V Boost, Cuk, Flyback, SEPIC 80V 1.6V 84V (Switch) 3.3A (Switch) 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LT8610ACIMSE#PBF

LT8610ACIMSE#PBF

IC REG BUCK ADJ 3.5A 16MSOP

Analog Devices Inc.

5,989
LT8610ACIMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.8V 42V 3.5A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3684EMSE#TRPBF

LT3684EMSE#TRPBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

4,089
LT3684EMSE#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 34V 1.265V 20V 2A 300kHz ~ 3MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-MSOP-EP
LT1912EMSE#TRPBF

LT1912EMSE#TRPBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

3,047
LT1912EMSE#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 ~ 500kHz - No - 0°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT3684EMSE#PBF

LT3684EMSE#PBF

IC REG BUCK ADJ 2A 10MSOP

Analog Devices Inc.

1,312
LT3684EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 34V 1.265V 20V 2A 300kHz ~ 3MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-MSOP-EP
LT3958EUHE#PBF

LT3958EUHE#PBF

IC REG BOOST CUK ADJ 3.3A 36QFN

Analog Devices Inc.

1,064
LT3958EUHE#PBF

Datasheet

- 36-WFQFN, 28 Leads, Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 5V Boost, Cuk, Flyback, SEPIC 80V 1.6V 84V (Switch) 3.3A (Switch) 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LTC3642IMS8E-5#PBF

LTC3642IMS8E-5#PBF

IC REG BUCK 5V 50MA 8MSOP

Analog Devices Inc.

274
LTC3642IMS8E-5#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 4.5V Buck 45V 5V - 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-MSOP-EP
LT3959EUHE#PBF

LT3959EUHE#PBF

IC REG BOOST CUK ADJ 6A 36QFN

Analog Devices Inc.

3,990
LT3959EUHE#PBF

Datasheet

- 36-WFQFN, 28 Leads, Exposed Pad Tube Active Step-Up, Step-Up/Step-Down Positive or Negative Adjustable 1 1.6V Boost, Cuk, SEPIC 40V 0.8V 40V (Switch) 6A (Switch) 100kHz ~ 1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 36-QFN (5x6)
LT3470ITS8#TRMPBF

LT3470ITS8#TRMPBF

IC REG BUCK ADJ 200MA TSOT23-8

Analog Devices Inc.

3,479
LT3470ITS8#TRMPBF

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 1.25V 16V 200mA - - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
LT3470ITS8#TRPBF

LT3470ITS8#TRPBF

IC REG BUCK ADJ 200MA TSOT23-8

Analog Devices Inc.

1,896
LT3470ITS8#TRPBF

Datasheet

- SOT-23-8 Thin, TSOT-23-8 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4V Buck 40V 1.25V 16V 200mA - - No - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-8
LT8616EUDE#PBF

LT8616EUDE#PBF

IC REG BUCK ADJ 1.5A/2.5A 28QFN

Analog Devices Inc.

10,750
LT8616EUDE#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.4V Buck 42V 0.79V 41.8V 1.5A, 2.5A 200kHz ~ 3MHz - Yes - -40°C ~ 125°C (TA) Surface Mount 28-QFN (3x6)
MAX1759EUB+T

MAX1759EUB+T

IC REG CHRG PUMP ADJ/3.3V 10UMAX

Analog Devices Inc./Maxim Integrated

3,468
MAX1759EUB+T

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable (Fixed) 1 1.6V Charge Pump 5.5V 2.5V (3.3V) 5.5V 100mA 1.5MHz - No - -40°C ~ 85°C (TA) Surface Mount 10-uMAX/uSOP
LTC3633EUFD#PBF

LTC3633EUFD#PBF

IC REG BUCK ADJ 3A DL 28QFN

Analog Devices Inc.

5,206
LTC3633EUFD#PBF

Datasheet

- 28-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.6V Buck 15V 0.6V 14.7V 3A 500kHz ~ 4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 28-QFN (4x5)
ADP5014ACPZ-R7

ADP5014ACPZ-R7

IC REG BUCK PROG QUAD 40LFCSP

Analog Devices Inc.

1,584
ADP5014ACPZ-R7

Datasheet

- 40-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Programmable 4 2.75V Buck 6V 0.5V 4.5V 2A, 4A, 1A, 2A 500kHz ~ 2.5MHz - No - -40°C ~ 125°C Surface Mount 40-LFCSP-WQ (6x6)
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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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