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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
LTC3129EMSE#PBF

LTC3129EMSE#PBF

IC REG BUCK BST ADJ 200MA 16MSOP

Analog Devices Inc.

1,502
LTC3129EMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 1.92V Buck-Boost 15V 1.4V 15.75V 200mA 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3129EMSE-1#PBF

LTC3129EMSE-1#PBF

IC REG BCK BST PROG 200MA 16MSOP

Analog Devices Inc.

1,323
LTC3129EMSE-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
LT3991EMSE-5#PBF

LT3991EMSE-5#PBF

IC REG BUCK 5V 1.2A 10MSOP

Analog Devices Inc.

1,289
LT3991EMSE-5#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Fixed 1 4.3V Buck 55V 5V - 1.2A 200kHz ~ 2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
LT3682EDD#PBF

LT3682EDD#PBF

IC REG BUCK ADJ 1A 12DFN

Analog Devices Inc.

926
LT3682EDD#PBF

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 3.6V Buck 36V 0.8V 20V 1A 250kHz ~ 2.2MHz - No - -40°C ~ 125°C (TJ) Surface Mount 12-DFN (3x3)
LT1054CN8#PBF

LT1054CN8#PBF

IC REG CHARG PUMP ADJ/2.5V 8PDIP

Analog Devices Inc.

599
LT1054CN8#PBF

Datasheet

- 8-DIP (0.300", 7.62mm) 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) Through Hole 8-PDIP
LT3506AEDHD#TRPBF

LT3506AEDHD#TRPBF

IC REG BUCK ADJ 1.6A DL 16DFN

Analog Devices Inc.

418
LT3506AEDHD#TRPBF

Datasheet

- 16-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 2 3.6V Buck 25V 0.8V 22V 1.6A 1.1MHz - No - -40°C ~ 85°C (TA) Surface Mount 16-DFN (5x4)
LTC3388EDD-3#PBF

LTC3388EDD-3#PBF

IC REG BUCK PROG 50MA 10DFN

Analog Devices Inc.

249
LTC3388EDD-3#PBF

Datasheet

- 10-WFDFN Exposed Pad Tube Active Step-Down Positive Programmable 1 2.7V Buck 20V 2.8V, 3V, 3.3V, 5V - 50mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 10-DFN (3x3)
LTC3624EDD-2#PBF

LTC3624EDD-2#PBF

IC REG BUCK ADJ 2A 8DFN

Analog Devices Inc.

131
LTC3624EDD-2#PBF

Datasheet

- 8-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 2.7V Buck 17V 0.6V 17V 2A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x3)
LTC1044ACS8#TRPBF

LTC1044ACS8#TRPBF

IC REG CHARGE PUMP INV 20MA 8SO

Analog Devices Inc.

6,712
LTC1044ACS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 12V -Vin, 2Vin, Vin/2 - 20mA 1kHz ~ 5kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT8609SIV#PBF

LT8609SIV#PBF

IC REG BUCK ADJ 2A 16LQFN

Analog Devices Inc.

4,336
LT8609SIV#PBF

Datasheet

Silent Switcher®2 16-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 2A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-LQFN (3x3)
LT8609SIV#TRPBF

LT8609SIV#TRPBF

IC REG BUCK ADJ 2A 16LQFN

Analog Devices Inc.

148
LT8609SIV#TRPBF

Datasheet

Silent Switcher®2 16-TFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 2A 200kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-LQFN (3x3)
LT8330HS6#TRMPBF

LT8330HS6#TRMPBF

IC REG BST SEPIC ADJ 1A TSOT23-6

Analog Devices Inc.

778
LT8330HS6#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive or Negative, Isolation Capable Adjustable 1 3V Boost, SEPIC 40V 1.6V, -0.8V 60V (Switch) 1A 2MHz - No - -40°C ~ 150°C (TJ) Surface Mount TSOT-23-6
LTC3630AEMSE#PBF

LTC3630AEMSE#PBF

IC REG BUCK ADJ 500MA 16MSOP

Analog Devices Inc.

382
LTC3630AEMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive or Negative Adjustable (Programmable) 1 4V Buck 76V 0.8V (1.8V, 3.3V, 5V) 76V 500mA - - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8300ES5#TRMPBF

LT8300ES5#TRMPBF

IC REG FLYBACK 260MA TSOT23-5

Analog Devices Inc.

3,739
LT8300ES5#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 - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
LT8609AHMSE#TRPBF

LT8609AHMSE#TRPBF

IC REG BUCK ADJ 3A 10MSOP

Analog Devices Inc.

2,687
LT8609AHMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) 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 10-MSOP-EP
LT8609HMSE#PBF

LT8609HMSE#PBF

IC REG BUCK ADJ 3A 10MSOP

Analog Devices Inc.

1,317
LT8609HMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LT8609AHMSE16#PBF

LT8609AHMSE16#PBF

IC REG BUCK ADJ 3A 16MSOP

Analog Devices Inc.

307
LT8609AHMSE16#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-MSOP-EP
LT8609AHMSE#PBF

LT8609AHMSE#PBF

IC REG BUCK ADJ 3A 10MSOP

Analog Devices Inc.

234
LT8609AHMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 1 3V Buck 42V 0.782V 42V 3A 200kHz ~ 2.2MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 10-MSOP-EP
LT8336HV#PBF

LT8336HV#PBF

IC REG BOOST ADJ 2.5A 16LQFN

Analog Devices Inc.

2,300
LT8336HV#PBF

Datasheet

- 16-TFQFN Exposed Pad Tray Active Step-Up Positive Adjustable 1 2.7V Boost 40V 2.7V 40V 2.5A 300kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-LQFN (3x3)
LT1111CS8#PBF

LT1111CS8#PBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

790
LT1111CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive or Negative Adjustable 1 2V Buck, Boost 30V 1.25V 50V (Switch) 1.5A (Switch) 72kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-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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