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
LTC1148CN#PBF

LTC1148CN#PBF

IC REG CTRLR BUCK 14DIP

Analog Devices Inc.

0 -
RFQ
LTC1148CN#PBF

Datasheet

- 14-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 20V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Through Hole 14-PDIP
LTC1148CN-3.3#PBF

LTC1148CN-3.3#PBF

IC REG CTRLR BUCK 14DIP

Analog Devices Inc.

0 -
RFQ
LTC1148CN-3.3#PBF

Datasheet

- 14-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 20V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Through Hole 14-PDIP
LTC1148CN-5#PBF

LTC1148CN-5#PBF

IC REG CTRLR BUCK 14DIP

Analog Devices Inc.

0 -
RFQ
LTC1148CN-5#PBF

Datasheet

- 14-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 20V Up to 250kHz 100% Yes No - Current Limit, Enable 0°C ~ 70°C (TA) - - Through Hole 14-PDIP
LTC3731HG#TRPBF

LTC3731HG#TRPBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

0 -
RFQ
LTC3731HG#TRPBF

Datasheet

PolyPhase® 36-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 3.8V ~ 7V 225kHz ~ 680kHz 98.5% Yes No - Enable, Phase Control, Power Good, Soft Start -40°C ~ 140°C (TJ) - - Surface Mount 36-SSOP
TPS40490MHRHDT

TPS40490MHRHDT

IC REG CTRLR BUCK 28QFN

Texas Instruments

0 -
RFQ
TPS40490MHRHDT

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 6V ~ 60V 100kHz ~ 5.4MHz - Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-VQFN (5x5)
LTC1266AIS#TRPBF

LTC1266AIS#TRPBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1266AIS#TRPBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 18V Up to 400kHz 100% Yes No - Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC3826IUH#TRPBF

LTC3826IUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

0 -
RFQ
LTC3826IUH#TRPBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 250kHz ~ 530kHz 99.4% Yes No - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3890HUH#TRPBF

LTC3890HUH#TRPBF

IC REG CTRLR BUCK/SEPIC 32QFN

Analog Devices Inc.

0 -
RFQ
LTC3890HUH#TRPBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC3890HUH-2#TRPBF

LTC3890HUH-2#TRPBF

IC REG CTRLR BUCK/SEPIC 32QFN

Analog Devices Inc.

0 -
RFQ
LTC3890HUH-2#TRPBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, SEPIC 2 2 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC1775CS#TRPBF

LTC1775CS#TRPBF

IC REG CTRLR BUCK/BCK-BST 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1775CS#TRPBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down, Step-Up/Step-Down Positive or Negative Buck, Buck-Boost 1 1 4V ~ 36V 150kHz 99% Yes Yes - Enable, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SO
ISL78226ANZ-T

ISL78226ANZ-T

ISL78226ANZ AUTOMOTIVE 6 PHASE B

Renesas Electronics Corporation

0 -
RFQ
ISL78226ANZ-T

Datasheet

- 64-TQFP Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Up, Step-Down, Step-Up/Step-Down Positive and Negative Boost, Buck, Flyback 6 6 6V ~ 64V 100kHz 91.7% Yes Yes I2C, PMBus Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start -40°C ~ 125°C (TA) Automotive AEC-Q100 Surface Mount 64-TQFP-EP (10x10)
LTC3897IUHG-2#TRPBF

LTC3897IUHG-2#TRPBF

PP SYNC BOOST CNTR W/ IN/ OUT PR

Analog Devices Inc.

0 -
RFQ
LTC3897IUHG-2#TRPBF

Datasheet

PolyPhase® 38-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 65V 75kHz ~ 850kHz - Yes Yes - Current Limit, Frequency Control, Overcurrent, Ramping -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC3888IUHG#TRPBF

LTC3888IUHG#TRPBF

DUAL OUTPUT 8-PHASE STEP-DOWN DC

Analog Devices Inc.

0 -
RFQ
LTC3888IUHG#TRPBF

Datasheet

- 52-WFQFN Exposed Pad Tape & Reel (TR) Active PWM Step-Down Positive Buck 2 2 4.5V ~ 26.5V 10kHz ~ 400kHz - Yes Yes I2C, PMBus Current Limit, Margining, Ramp, Slew Control, Soft Start, Sync, Watchdog -40°C ~ 125°C (TJ) - - Surface Mount 52-QFN (5x8)
MAX5041BEAI-T

MAX5041BEAI-T

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 28V 250kHz, 500kHz - Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
MAX5041EAI-T

MAX5041EAI-T

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 28V 250kHz, 500kHz - Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3899IFE#TRPBF

LTC3899IFE#TRPBF

IC REG CTRLR BCK/BCK-BST 38TSSOP

Analog Devices Inc.

0 -
RFQ
LTC3899IFE#TRPBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck, Buck-Boost 3 2 4.5V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 100% Yes No - Enable, Frequency Control, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC1649IS#TRPBF

LTC1649IS#TRPBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1649IS#TRPBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.7V ~ 5V 200kHz 93% Yes No - Current Limit, Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-SO
ZL8802ALAFT7A

ZL8802ALAFT7A

IC REG CTRLR BUCK PMBUS 44QFN

Renesas Electronics Corporation

0 -
RFQ
ZL8802ALAFT7A

Datasheet

Digital-DC™ 44-VFQFN Exposed Pad Tape & Reel (TR) Obsolete PWM Signal Step-Down Positive Buck 2 2 4.5V ~ 14V 200kHz ~ 1.33MHz - No Yes PMBus Current Limit, Enable, Power Good, Tracking -40°C ~ 85°C (TA) - - Surface Mount 44-QFN (7x7)
LTC1628IUH#TRPBF

LTC1628IUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

0 -
RFQ
LTC1628IUH#TRPBF

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 3.5V ~ 30V 220kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
UCC25702PWTR

UCC25702PWTR

IC REG CTRLR MULT TOP 14TSSOP

Texas Instruments

0 -
RFQ
UCC25702PWTR

Datasheet

- 14-TSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback, Forward Converter 1 1 8.8V ~ 15V 100kHz 99% No Yes - Current Limit, Frequency Control, Sequencing, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 14-TSSOP
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