DC DC Switching Controllers

Manufacturer Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package

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DC DC Switching Controllers

DC-DC switching controllers are power management ICs used to control external power switches for efficient voltage conversion. They support buck, boost, buck-boost, flyback, and other switching topologies, and are commonly used in power supplies, industrial equipment, automotive electronics, communication systems, servers, battery-powered devices, and embedded applications.

TomatoElec is an independent electronic components distributor supplying DC-DC switching controller ICs from mainstream manufacturers such as Texas Instruments, Analog Devices, STMicroelectronics, onsemi, Infineon, Microchip, Renesas, NXP, Diodes Incorporated, and Monolithic Power Systems. Customers can check inventory, price, package, specifications, parameters and PDF datasheets in the product list below, and submit a BOM or RFQ for DC-DC switching controller sourcing support.

Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Output Type Function Output Configuration Topology Number of Outputs Output Phases Voltage - Supply (Vcc/Vdd) Frequency - Switching Duty Cycle (Max) Synchronous Rectifier Clock Sync Serial Interfaces Control Features Operating Temperature Grade Qualification Mounting Type Supplier Device Package
LTC3769EFE#PBF

LTC3769EFE#PBF

IC REG CTRLR BOOST/SEPIC 20TSSOP

Analog Devices Inc.

700 -
RFQ
LTC3769EFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, SEPIC 1 1 4.5V ~ 60V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
LTC1771EMS8#PBF

LTC1771EMS8#PBF

IC REG CTRLR BUCK 8MSOP

Analog Devices Inc.

238 -
RFQ
LTC1771EMS8#PBF

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 18V - 100% No No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-MSOP
LTC3833IUDC#TRPBF

LTC3833IUDC#TRPBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

3,625 -
RFQ
LTC3833IUDC#TRPBF

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 200kHz ~ 2MHz - Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (3x4)
LTC3894IFE#PBF

LTC3894IFE#PBF

150V LOW IQ STEP-DOWN DC/DC CONT

Analog Devices Inc.

368 -
RFQ
LTC3894IFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width), 16 Leads, Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 150V 50kHz ~ 850kHz 100% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
LTC3770EUH#PBF

LTC3770EUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

2,067 -
RFQ
LTC3770EUH#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 32V - 90% Yes No - Current Limit, Enable, On Time Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3823IUH#PBF

LTC3823IUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

591 -
RFQ
LTC3823IUH#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 36V - 90% Yes No - Enable, On Time Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LT8603EUJ#PBF

LT8603EUJ#PBF

IC REG BUCK ADJ QUAD 40QFN

Analog Devices Inc.

17 -
RFQ
LT8603EUJ#PBF

Datasheet

- 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 4 2 3V ~ 42V 250kHz ~ 2.2MHz - Yes Yes - Current Limit, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
LTC3807HUDC#PBF

LTC3807HUDC#PBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

29 -
RFQ
LTC3807HUDC#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 50kHz ~ 900kHz 99% Yes No - Current Limit, Enable, Frequency Control, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 20-QFN (3x4)
LTC3787IGN#PBF

LTC3787IGN#PBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

338 -
RFQ
LTC3787IGN#PBF

Datasheet

PolyPhase® 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 38V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3866EFE#PBF

LTC3866EFE#PBF

IC REG CTRLR BUCK 24TSSOP

Analog Devices Inc.

124 -
RFQ
LTC3866EFE#PBF

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 38V 250kHz ~ 770kHz - Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 24-TSSOP
MAX776CSA+

MAX776CSA+

IC REG CTRLR BUCK-BOOST 8SOIC

Analog Devices Inc./Maxim Integrated

1,422 -
RFQ
MAX776CSA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up/Step-Down Negative Buck-Boost 1 1 3V ~ 16.5V 300kHz - No No - Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
LM5170PHPR

LM5170PHPR

BI DIRECTIONAL 48V TO 12V CURREN

Texas Instruments

984 -
RFQ
LM5170PHPR

Datasheet

- 48-PowerTQFP Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 6V ~ 85V 50kHz ~ 500kHz - - Yes - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 48-HTQFP (7x7)
LT1737CS#PBF

LT1737CS#PBF

IC REG CTRLR FLYBACK 16SOIC

Analog Devices Inc.

55 -
RFQ
LT1737CS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive or Negative, Isolation Capable Flyback 1 1 4.1V ~ 20V 90kHz ~ 115kHz 90% No No - Enable, Soft Start 0°C ~ 100°C (TJ) - - Surface Mount 16-SO
ADP2325ACPZ-R7

ADP2325ACPZ-R7

IC REG CTRLR BUCK 32LFCSP

Analog Devices Inc.

646 -
RFQ
ADP2325ACPZ-R7

Datasheet

- 32-WFQFN Exposed Pad, CSP Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 20V 600kHz 90% No Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-LFCSP-WQ (5x5)
MAX1649ESA+

MAX1649ESA+

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc./Maxim Integrated

58 -
RFQ
MAX1649ESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16V Up to 300kHz 96.5% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
MAX1651ESA+

MAX1651ESA+

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc./Maxim Integrated

42 -
RFQ
MAX1651ESA+

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16V Up to 300kHz 96.5% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
LT3825EFE#TRPBF

LT3825EFE#TRPBF

IC REG CTRLR FLYBACK 16TSSOP

Analog Devices Inc.

9,841 -
RFQ
LT3825EFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 9.7V ~ 18V 100kHz 88% Yes Yes - Enable, Frequency Control, On Time Control -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LTC1778IGN#PBF

LTC1778IGN#PBF

IC REG CTRLR BUCK/BCK-BST 16SSOP

Analog Devices Inc.

247 -
RFQ
LTC1778IGN#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive or Negative Buck, Buck-Boost 1 1 4V ~ 36V - - Yes Yes - Enable, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-SSOP
LT3825EFE#PBF

LT3825EFE#PBF

IC REG CTRLR FLYBACK 16TSSOP

Analog Devices Inc.

120 -
RFQ
LT3825EFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 9.7V ~ 18V 100kHz 88% Yes Yes - Enable, Frequency Control, On Time Control -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
ISL8120IRZ

ISL8120IRZ

IC REG CTRLR BUCK 32QFN

Renesas Electronics Corporation

295 -
RFQ
ISL8120IRZ

Datasheet

- 32-VFQFN Exposed Pad Tray Active Transistor Driver Step-Down Positive Buck 2 2 3V ~ 5.6V 150kHz ~ 1.5MHz 90% Yes Yes - Current Limit, Enable, Power Good -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
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