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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
ADM660ANZ

ADM660ANZ

IC REG CHRG PUMP INV 100MA 8PDIP

Analog Devices Inc.

245
ADM660ANZ

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 7V -Vin, 2Vin - 100mA 25kHz, 120kHz - No - -40°C ~ 85°C (TA) Through Hole 8-PDIP
MAX1044ESA+T

MAX1044ESA+T

IC REG CHARGE PUMP 20MA 8SOIC

Analog Devices Inc./Maxim Integrated

5,953
MAX1044ESA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 10V -Vin, nVin, Vin/2 - 20mA 10kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
ADP5070ACPZ-R7

ADP5070ACPZ-R7

IC REG BST SEPIC ADJ DL 20LFCSP

Analog Devices Inc.

3,748
ADP5070ACPZ-R7

Datasheet

- 20-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Up, Step-Up/Step-Down Positive and Negative (Dual Rail) Adjustable 2 2.85V Boost, SEPIC 15V 0.8V, 1.6V ±39V 600mA, 1A 1.2MHz, 2.4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-LFCSP (4x4)
MAX5035AASA+T

MAX5035AASA+T

IC REG BUCK 3.3V 1A 8SOIC

Analog Devices Inc./Maxim Integrated

2,748
MAX5035AASA+T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Step-Down Positive Fixed 1 7.5V Buck 76V 3.3V - 1A 125kHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-SOIC
LTC3529EDCB#TRPBF

LTC3529EDCB#TRPBF

IC REG BOOST 5V 1.5A 8DFN

Analog Devices Inc.

2,480
LTC3529EDCB#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 1.8V Boost 5.25V 5V - 1.5A (Switch) 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (2x3)
LM21305SQ/NOPB

LM21305SQ/NOPB

IC REG BUCK ADJ 5A 28WQFN

Texas Instruments

1,998
LM21305SQ/NOPB

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 18V 0.598V 18V 5A 300kHz ~ 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-WQFN (5x5)
LTC3529EDCB#TRMPBF

LTC3529EDCB#TRMPBF

IC REG BOOST 5V 1.5A 8DFN

Analog Devices Inc.

1,780
LTC3529EDCB#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 1.8V Boost 5.25V 5V - 1.5A (Switch) 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 8-DFN (2x3)
LM21305SQE/NOPB

LM21305SQE/NOPB

IC REG BUCK ADJ 5A 28WQFN

Texas Instruments

667
LM21305SQE/NOPB

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 18V 0.598V 18V 5A 300kHz ~ 1.5MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 28-WQFN (5x5)
MAX5035DUSA+

MAX5035DUSA+

IC REG BUCK ADJ 1A 8SOIC

Analog Devices Inc./Maxim Integrated

494
MAX5035DUSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Down Positive Adjustable 1 7.5V Buck 76V 1.25V 13.2V 1A 125kHz - No - 0°C ~ 85°C (TA) Surface Mount 8-SOIC
MAX1044ESA+

MAX1044ESA+

IC REG CHARGE PUMP 20MA 8SOIC

Analog Devices Inc./Maxim Integrated

338
MAX1044ESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V Charge Pump 10V -Vin, nVin, Vin/2 - 20mA 10kHz - No - -40°C ~ 85°C (TA) Surface Mount 8-SOIC
MAX17575ATC+

MAX17575ATC+

IC REG BUCK ADJ 1.5A 12TDFN

Analog Devices Inc./Maxim Integrated

145
MAX17575ATC+

Datasheet

- 12-WFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 54V 1.5A 400kHz ~ 2.2MHz - No - -40°C ~ 125°C (TA) Surface Mount 12-TDFN (3x3)
ADP5070ACPZ

ADP5070ACPZ

IC REG BST SEPIC ADJ DL 20LFCSP

Analog Devices Inc.

2,218
ADP5070ACPZ

Datasheet

- 20-WFQFN Exposed Pad, CSP Tray Active Step-Up, Step-Up/Step-Down Positive and Negative (Dual Rail) Adjustable 2 2.85V Boost, SEPIC 15V 0.8V, 1.6V ±39V 600mA, 1A 1.2MHz, 2.4MHz - No - -40°C ~ 125°C (TJ) Surface Mount 20-LFCSP (4x4)
LT3502AEMS#TRPBF

LT3502AEMS#TRPBF

IC REG BUCK ADJ 500MA 10MSOP

Analog Devices Inc.

9,220
LT3502AEMS#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 40V 0.8V 32V 500mA 2.25MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LT3502EMS#PBF

LT3502EMS#PBF

IC REG BUCK ADJ 500MA 10MSOP

Analog Devices Inc.

3,089
LT3502EMS#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Step-Down Positive Adjustable 1 3V Buck 40V 0.8V 36V 500mA 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 10-MSOP
LT8362IMSE#TRPBF

LT8362IMSE#TRPBF

IC REG BOOST SEPIC 2A 16MSOP

Analog Devices Inc.

2,330
LT8362IMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.8V Boost, SEPIC 60V - 60V (Switch) 2A (Switch) 300kHz ~ 2MHz - - - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LT8362IMSE#PBF

LT8362IMSE#PBF

IC REG BOOST SEPIC 2A 16MSOP

Analog Devices Inc.

600
LT8362IMSE#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tube Active Step-Up Positive Fixed 1 2.8V Boost, SEPIC 60V - 60V (Switch) 2A (Switch) 300kHz ~ 2MHz - - - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
LTC1261LCS8#PBF

LTC1261LCS8#PBF

IC REG CHARGE PUMP ADJ 20MA 8SO

Analog Devices Inc.

269
LTC1261LCS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Negative Adjustable 1 2.7V Charge Pump 5.25V -1.23V -5V 20mA 650kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC1682CS8-5#PBF

LTC1682CS8-5#PBF

IC REG CHARGE PUMP 5V 50MA 8SO

Analog Devices Inc.

220
LTC1682CS8-5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up Positive Fixed 1 1.8V Charge Pump 4.4V 5V - 50mA 550kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LTC1550LCS8-2.5#PBF

LTC1550LCS8-2.5#PBF

IC REG CHARG PUMP -2.5V 20MA 8SO

Analog Devices Inc.

171
LTC1550LCS8-2.5#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Step-Up/Step-Down Negative Fixed 1 3.05V Charge Pump 5.25V -2.5V - 20mA 900kHz - No - 0°C ~ 70°C (TA) Surface Mount 8-SO
LT8364EMSE#TRPBF

LT8364EMSE#TRPBF

IC REG BOOST SEPIC 4A 16MSOP

Analog Devices Inc.

5,860
LT8364EMSE#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads, Exposed Pad Tape & Reel (TR) Active Step-Up Positive Fixed 1 2.8V Boost, SEPIC 60V - 60V (Switch) 4A (Switch) 2MHz - - - -40°C ~ 125°C (TJ) Surface Mount 16-MSOP-EP
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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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