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
LT3748IMS#TRPBF

LT3748IMS#TRPBF

IC REG CTRLR FLYBACK 16MSOP

Analog Devices Inc.

4,677 -
RFQ
LT3748IMS#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 5V ~ 100V - - No No - Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-MSOP
LTC3703EGN#TRPBF

LTC3703EGN#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

7,450 -
RFQ
LTC3703EGN#TRPBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 9.3V ~ 15V 100kHz ~ 600kHz 93% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC3703EGN#PBF

LTC3703EGN#PBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

1,609 -
RFQ
LTC3703EGN#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 9.3V ~ 15V 100kHz ~ 600kHz 93% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC7800EUDC#TRPBF

LTC7800EUDC#TRPBF

IC REG CTRLR SYNC BUCK 60V 20QFN

Analog Devices Inc.

1,101 -
RFQ
LTC7800EUDC#TRPBF

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 320kHz ~ 2.25MHz 98% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (3x4)
LTC3895EFE#PBF

LTC3895EFE#PBF

IC REG CTRLR BUCK 38TSSOP

Analog Devices Inc.

3,002 -
RFQ
LTC3895EFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 140V 50kHz ~ 900kHz 100% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC3810EG#TRPBF

LTC3810EG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

3,892 -
RFQ
LTC3810EG#TRPBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 6.35V ~ 14V - - Yes Yes - Enable, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3810EG#PBF

LTC3810EG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

551 -
RFQ
LTC3810EG#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 6.35V ~ 14V - - Yes Yes - Enable, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC1624CS8#PBF

LTC1624CS8#PBF

IC REG CTRLR BCK/BST/SEPIC 8SOIC

Analog Devices Inc.

218 -
RFQ
LTC1624CS8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost, SEPIC 1 1 3.5V ~ 36V 200kHz 95% No No - Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SO
MAX1745EUB+T

MAX1745EUB+T

IC REG CTRLR BUCK 10UMAX

Analog Devices Inc./Maxim Integrated

8,503 -
RFQ
MAX1745EUB+T

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 36V Up to 330kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount 10-uMAX/uSOP
LTC3853EUJ#TRPBF

LTC3853EUJ#TRPBF

IC REG CTRLR BUCK 40QFN

Analog Devices Inc.

2,613 -
RFQ
LTC3853EUJ#TRPBF

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 4.5V ~ 24V 250kHz ~ 750kHz 98% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
LTC3787EUFD#PBF

LTC3787EUFD#PBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

591 -
RFQ
LTC3787EUFD#PBF

Datasheet

PolyPhase® 28-WFQFN Exposed Pad 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-QFN (4x5)
LTC3787EUFD#TRPBF

LTC3787EUFD#TRPBF

IC REG CTRLR BOOST 28QFN

Analog Devices Inc.

0 -
RFQ
LTC3787EUFD#TRPBF

Datasheet

PolyPhase® 28-WFQFN Exposed Pad Tape & Reel (TR) 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-QFN (4x5)
LT3845EFE#TRPBF

LT3845EFE#TRPBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

1,096 -
RFQ
LT3845EFE#TRPBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 300kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LT3845AEFE#PBF

LT3845AEFE#PBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

832 -
RFQ
LT3845AEFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 300kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LT3845EFE#PBF

LT3845EFE#PBF

IC REG CTRLR BUCK 16TSSOP

Analog Devices Inc.

326 -
RFQ
LT3845EFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 300kHz - Yes Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LT1737IS#PBF

LT1737IS#PBF

IC REG CTRLR FLYBACK 16SOIC

Analog Devices Inc.

211 -
RFQ
LT1737IS#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 -40°C ~ 125°C (TJ) - - Surface Mount 16-SO
LTC3810IG#TRPBF

LTC3810IG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

2,385 -
RFQ
LTC3810IG#TRPBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 6.35V ~ 14V - - Yes Yes - Enable, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3891EFE#PBF

LTC3891EFE#PBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

1,729 -
RFQ
LTC3891EFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
LTC3891EFE#TRPBF

LTC3891EFE#TRPBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

985 -
RFQ
LTC3891EFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
LT3748HMS#TRPBF

LT3748HMS#TRPBF

IC REG CTRLR FLYBACK 16MSOP

Analog Devices Inc.

8,025 -
RFQ
LT3748HMS#TRPBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width), 12 Leads Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 5V ~ 100V - - No No - Enable, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 16-MSOP
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