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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
TPS546C23RVFT

TPS546C23RVFT

IC REG BUCK ADJ 35A 40LQFN

Texas Instruments

326
TPS546C23RVFT

Datasheet

- 40-PowerLFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 18V 0.35V 5.5V 35A 200kHz ~ 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 40-LQFN-CLIP (7x5)
LT1111IS8#PBF

LT1111IS8#PBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

273
LT1111IS8#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 - -40°C ~ 105°C (TA) Surface Mount 8-SO
LT1110CS8#PBF

LT1110CS8#PBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

255
LT1110CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive Adjustable 1 1V Buck, Boost 30V 0.22V 50V (Switch) 1.5A (Switch) 70kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1073CS8#PBF

LT1073CS8#PBF

IC REG BUCK BOOST ADJ 1.5A 8SO

Analog Devices Inc.

198
LT1073CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive Adjustable 1 1V Buck, Boost 30V 1V 50V (Switch) 1.5A (Switch) 19kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1073CS8-5#PBF

LT1073CS8-5#PBF

IC REG BUCK BOOST 5V 1.5A 8SO

Analog Devices Inc.

2,548
LT1073CS8-5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up, Step-Down Positive Fixed 1 1V Buck, Boost 30V 5V - 1.5A (Switch) 19kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
MAX660CSA+T

MAX660CSA+T

IC REG CHRG PUMP INV 100MA 8SOIC

Analog Devices Inc./Maxim Integrated

2,382
MAX660CSA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 5.5V -Vin, 2Vin - 100mA 10kHz, 80kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SOIC
LTC3114EFE-1#PBF

LTC3114EFE-1#PBF

IC REG BUCK BOOST ADJ 1A 16TSSOP

Analog Devices Inc.

1,179
LTC3114EFE-1#PBF

Datasheet

- 16-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 1.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-TSSOP-EP
LTC3441EDE#TRPBF

LTC3441EDE#TRPBF

IC REG BUCK BOOST ADJ 1.2A 12DFN

Analog Devices Inc.

7,176
LTC3441EDE#TRPBF

Datasheet

- 12-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up/Step-Down Positive Adjustable 1 2.4V Buck-Boost 5.5V 2.4V 5.25V 1.2A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-DFN (4x3)
LTC3111IMSE#PBF

LTC3111IMSE#PBF

IC REG BUCK BST ADJ 1.5A 16MSOP

Analog Devices Inc.

151
LTC3111IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up/Step-Down Positive Adjustable 1 2.5V Buck-Boost 15V 2.5V 15V 1.5A 800kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC3374IUHF#PBF

LTC3374IUHF#PBF

IC REG BUCK ADJ 1A 8OUT 38QFN

Analog Devices Inc.

583
LTC3374IUHF#PBF

Datasheet

- 38-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 8 2.7V Buck 5.5V 0.8V 5.5V 1A 2MHz - No - -40°C ~ 150°C (TJ) Surface Mount 38-QFN (5x7)
LTC3521IFE#PBF

LTC3521IFE#PBF

IC REG BUCK BST ADJ TRPL 20TSSOP

Analog Devices Inc.

1,157
LTC3521IFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down, Step-Up/Step-Down Positive Adjustable 3 1.8V Buck, Buck-Boost 5.5V 0.6V 5.5V 600mA, 1A 1.1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 20-TSSOP-EP
LT1306ES8#PBF

LT1306ES8#PBF

IC REG BOOST 5V 2.3A 8SO

Analog Devices Inc.

100
LT1306ES8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Fixed 1 1.8V Boost 10V 5V - 2.3A (Switch) 310kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT1172CQ#TRPBF

LT1172CQ#TRPBF

IC REG BCK BST ADJ 1.25A DDPAK-5

Analog Devices Inc.

2,127
LT1172CQ#TRPBF

Datasheet

- TO-263-6, D2PAK (5 Leads + Tab), TO-263BA Tape & Reel (TR) Active Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Adjustable 1 3V Buck, Boost, Cuk, Flyback, Forward Converter 40V 1.244V 65V (Switch) 1.25A (Switch) 100kHz - No - 0°C ~ 100°C (TJ) Surface Mount DDPAK-5
LTC3371IFE#PBF

LTC3371IFE#PBF

IC REG BUCK ADJ 2A QUAD 38TSSOP

Analog Devices Inc.

367
LTC3371IFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Down Positive Adjustable 4 2.7V Buck 5.5V 0.8V 5.5V 2A 2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 38-TSSOP-EP
MAX16936SATEB/V+

MAX16936SATEB/V+

IC REG BUCK ADJ/1V 2.5A 16TQFN

Analog Devices Inc./Maxim Integrated

155
MAX16936SATEB/V+

Datasheet

- 16-WQFN Exposed Pad Tube Active Step-Down Positive Adjustable (Fixed) 1 3.5V Buck 36V 1V (3.3V) 10V 2.5A 220kHz ~ 2.2MHz AEC-Q100 No Automotive -40°C ~ 125°C (TJ) Surface Mount 16-TQFN (5x5)
LTC3124HFE#PBF

LTC3124HFE#PBF

IC REG BOOST ADJ 2.5A 16TSSOP

Analog Devices Inc.

125
LTC3124HFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Step-Up Positive Adjustable 1 1.8V Boost 5.5V 2.5V 15V 2.5A (Switch) 1MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 16-TSSOP-EP
LTC3602EUF#PBF

LTC3602EUF#PBF

IC REG BUCK ADJ 2.5A 20QFN

Analog Devices Inc.

1,006
LTC3602EUF#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 10V 0.6V 9.5V 2.5A 1MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 20-QFN (4x4)
LT8636JV#PBF

LT8636JV#PBF

IC REG BUCK ADJ 5A 20LQFN

Analog Devices Inc.

163
LT8636JV#PBF

Datasheet

- 20-TFQFN Exposed Pad Tray Active Step-Down Positive Adjustable 1 3.4V Buck 42V 0.97V 42V 5A 200kHz ~ 3MHz - Yes - -40°C ~ 150°C (TJ) Surface Mount 20-LQFN (4x3)
LTC3638IMSE#PBF

LTC3638IMSE#PBF

IC REG BUCK ADJ 250MA 16MSOP

Analog Devices Inc.

2,685
LTC3638IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Down Positive Adjustable 1 4V Buck 140V 0.8V 140V 250mA - - No - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT3508IUF#PBF

LT3508IUF#PBF

IC REG BUCK ADJ 1.4A DL 24QFN

Analog Devices Inc.

1,645
LT3508IUF#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 3.7V Buck 36V 0.8V 35.28V 1.4A 920kHz ~ 1.06MHz - No - -40°C ~ 125°C (TJ) Surface Mount 24-QFN (4x4)
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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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