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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
LM2677S-5.0/NOPB

LM2677S-5.0/NOPB

IC REG BUCK 5V 5A TO263

Texas Instruments

241
LM2677S-5.0/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 8V Buck 40V 5V - 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LTC3644IY#PBF

LTC3644IY#PBF

IC REG BUCK ADJ 1.25A QUAD 36BGA

Analog Devices Inc.

504
LTC3644IY#PBF

Datasheet

- 36-FBGA Tray Active Step-Down Positive Adjustable 4 2.7V Buck 17V 0.6V 17V 1.25A 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 36-BGA (5x5)
ISL8022IRZ

ISL8022IRZ

IC REG BCK ADJ 2A/1.7A DL 12DFN

Renesas Electronics Corporation

9,697
ISL8022IRZ

Datasheet

- 12-VFDFN Exposed Pad Tube Active Step-Down Positive Adjustable 2 2.8V Buck 5.5V 0.6V 5.5V 2A, 1.7A 2.25MHz - Yes - -40°C ~ 85°C (TA) Surface Mount 12-DFN (4x3)
LTC3525LESC6-3#TRPBF

LTC3525LESC6-3#TRPBF

IC REG BOOST 3V 160MA SC70-6

Analog Devices Inc.

2,572
LTC3525LESC6-3#TRPBF

Datasheet

- 6-TSSOP, SC-88, SOT-363 Tape & Reel (TR) Active Step-Up Positive Fixed 1 0.5V Boost 4.5V 3V - 160mA - - Yes - -40°C ~ 85°C (TA) Surface Mount SC-70-6
MAX17502HAUD+T

MAX17502HAUD+T

IC REG BUCK ADJ 1A 14TSSOP

Analog Devices Inc./Maxim Integrated

1,424
MAX17502HAUD+T

Datasheet

Himalaya 14-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 4.5V Buck 60V 0.9V 57.9V 1A 300kHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 14-TSSOP-EP
LT8338EMSE#TRPBF

LT8338EMSE#TRPBF

IC REG BOOST ADJ 1.2A 10MSOP

Analog Devices Inc.

1,366
LT8338EMSE#TRPBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 3V Boost 40V 1V 40V 1.2A 300kHz ~ 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
MAX860ISA+

MAX860ISA+

IC REG CHARG PUMP INV 50MA 8SOIC

Analog Devices Inc./Maxim Integrated

728
MAX860ISA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Ratiometric Positive or Negative Fixed 1 1.5V, 2.5V Charge Pump 5.5V -Vin, 2Vin - 50mA 6kHz, 50kHz, 130kHz - No - -25°C ~ 85°C (TA) Surface Mount 8-SOIC
LT8338EMSE#PBF

LT8338EMSE#PBF

IC REG BOOST ADJ 1.2A 10MSOP

Analog Devices Inc.

109
LT8338EMSE#PBF

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Step-Up Positive Adjustable 1 3V Boost 40V 1V 40V 1.2A 300kHz ~ 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TJ) Surface Mount 10-MSOP-EP
TPS62877QWRZVRQ1

TPS62877QWRZVRQ1

IC REG BUCK ADJ 30A 24WQFN

Texas Instruments

2,182
TPS62877QWRZVRQ1

Datasheet

- 24-PowerWFQFN Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 6V 0.4V 1.675V 30A 1.5MHz, 2.25MHz, 2.5MHz, 3MHz AEC-Q100 Yes Automotive -40°C ~ 125°C (TA) Surface Mount, Wettable Flank 24-WQFN-FCRLF (4.05x3.05)
LM73606RNPT

LM73606RNPT

IC REG BUCK ADJ 6A 30WQFN

Texas Instruments

1,420
LM73606RNPT

Datasheet

- 30-WFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3.5V Buck 36V 1V 34.2V 6A 350kHz ~ 2.2MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount, Wettable Flank 30-WQFN (6x4)
LTC3315AEV#TRPBF

LTC3315AEV#TRPBF

IC REG BUCK 0.5V 2A DL 12LQFN

Analog Devices Inc.

548
LTC3315AEV#TRPBF

Datasheet

- 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 2 2.25V Buck 5.5V 0.5V 5.5V 2A 1MHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x2)
LTC3315AEV#TRMPBF

LTC3315AEV#TRMPBF

IC REG BUCK 0.5V 2A DL 12LQFN

Analog Devices Inc.

446
LTC3315AEV#TRMPBF

Datasheet

- 12-VFQFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Fixed 2 2.25V Buck 5.5V 0.5V 5.5V 2A 1MHz ~ 3MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 12-LQFN (2x2)
LM2679S-ADJ/NOPB

LM2679S-ADJ/NOPB

IC REG BUCK ADJ 5A TO263

Texas Instruments

478
LM2679S-ADJ/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Adjustable 1 8V Buck 40V 1.21V 37V 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
LM2679S-3.3/NOPB

LM2679S-3.3/NOPB

IC REG BUCK 3.3V 5A TO263

Texas Instruments

129
LM2679S-3.3/NOPB

Datasheet

SIMPLE SWITCHER® TO-263-8, D2PAK (7 Leads + Tab), TO-263CA Tube Active Step-Down Positive Fixed 1 8V Buck 40V 3.3V - 5A 260kHz - No - -40°C ~ 125°C (TJ) Surface Mount TO-263 (DDPAK-7)
MAX20006AFOD/VY+

MAX20006AFOD/VY+

IC REG BUCK 3.3V 6A 17FC2QFN

Analog Devices Inc./Maxim Integrated

336
MAX20006AFOD/VY+

Datasheet

- 17-PowerWFQFN Tray Active Step-Down Positive Fixed 1 3.5V Buck 36V 3.3V - 6A 220kHz ~ 2.2MHz AEC-Q100 Yes Automotive -40°C ~ 125°C Surface Mount, Wettable Flank 17-FC2QFN (3.5x3.75)
ADP2165ACPZ-R7

ADP2165ACPZ-R7

IC REG BUCK ADJ 5A 24LFCSP

Analog Devices Inc.

983
ADP2165ACPZ-R7

Datasheet

- 24-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.7V Buck 5.5V 0.6V 4.95V 5A 250kHz ~ 1.4MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 24-LFCSP (4x4)
LT3502EDC#TRMPBF

LT3502EDC#TRMPBF

IC REG BUCK ADJ 500MA 8DFN

Analog Devices Inc.

7,713
LT3502EDC#TRMPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 40V 0.8V 36V 500mA 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LT3502EDC#TRPBF

LT3502EDC#TRPBF

IC REG BUCK ADJ 500MA 8DFN

Analog Devices Inc.

6,865
LT3502EDC#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Down Positive Adjustable 1 3V Buck 40V 0.8V 36V 500mA 1.1MHz - No - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (2x2)
LTC3528EDDB#TRPBF

LTC3528EDDB#TRPBF

IC REG BOOST ADJ 1A 8DFN

Analog Devices Inc.

5,144
LTC3528EDDB#TRPBF

Datasheet

- 8-WFDFN Exposed Pad Tape & Reel (TR) Active Step-Up Positive Adjustable 1 0.88V Boost 5.25V 1.6V 5.25V 1A (Switch) 1MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount 8-DFN (3x2)
LTC3564ES5#TRMPBF

LTC3564ES5#TRMPBF

IC REG BUCK ADJ 1.25A TSOT23-5

Analog Devices Inc.

4,436
LTC3564ES5#TRMPBF

Datasheet

- SOT-23-5 Thin, TSOT-23-5 Tape & Reel (TR) Active Step-Down Positive Adjustable 1 2.5V Buck 5.5V 0.6V 5.5V 1.25A 2.25MHz - Yes - -40°C ~ 125°C (TJ) Surface Mount TSOT-23-5
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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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