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
LTC1772HS6#TRMPBF

LTC1772HS6#TRMPBF

IC REG CTRLR MULT TOP SOT23-6

Analog Devices Inc.

300 -
RFQ
LTC1772HS6#TRMPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback 1 1 2.5V ~ 9.8V 550kHz 100% No No - Enable -40°C ~ 140°C (TJ) - - Surface Mount TSOT-23-6
LM5175QPWPTQ1

LM5175QPWPTQ1

IC REG CTRLR BUCK-BOOST 28HTSSOP

Texas Instruments

1,206 -
RFQ
LM5175QPWPTQ1

Datasheet

- 28-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 3.5V ~ 42V 100kHz ~ 600kHz - Yes Yes - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 150°C (TJ) Automotive AEC-Q100 Surface Mount 28-HTSSOP
MAX15003ATM+

MAX15003ATM+

IC REG CTRLR BUCK 48TQFN

Analog Devices Inc./Maxim Integrated

78 -
RFQ
MAX15003ATM+

Datasheet

- 48-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 3 3 5.5V ~ 23V 200kHz ~ 2.2MHz - Yes Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Reset, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 48-TQFN (7x7)
LTC1771IS8#TRPBF

LTC1771IS8#TRPBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

2,464 -
RFQ
LTC1771IS8#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) 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-SO
LTC3861EUHE#PBF

LTC3861EUHE#PBF

IC REG CTRLR BUCK 36QFN

Analog Devices Inc.

79 -
RFQ
LTC3861EUHE#PBF

Datasheet

PolyPhase® 36-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 5.5V 250kHz ~ 3MHz 91.5% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LTC7852IRHE#PBF

LTC7852IRHE#PBF

6-PHASE BUCK CONTROLLER DRIVES D

Analog Devices Inc.

106 -
RFQ
LTC7852IRHE#PBF

Datasheet

- 48-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 6 4.5V ~ 5.5V 200kHz ~ 1.2MHz - Yes No - Current Limit, Enable, Frequency Control, Power Good, Ramp, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 48-GQFN (5x6)
LTC3868IUH#PBF

LTC3868IUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

145 -
RFQ
LTC3868IUH#PBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 24V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99.4% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
LTC3884ERHE-1#PBF

LTC3884ERHE-1#PBF

IC REG CTRLR BUCK PMBUS 48QFN

Analog Devices Inc.

0 -
RFQ
LTC3884ERHE-1#PBF

Datasheet

PolyPhase® 48-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 200kHz ~ 1MHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 48-GQFN (5x6)
LTC3774EUHE#PBF

LTC3774EUHE#PBF

IC REG CTRLR BUCK 36QFN

Analog Devices Inc.

65 -
RFQ
LTC3774EUHE#PBF

Datasheet

PolyPhase® 36-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 4.5V ~ 38V 150kHz ~ 1.2MHz 98% No No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
MAX1960EEP+

MAX1960EEP+

IC REG CTRLR BUCK 20QSOP

Analog Devices Inc./Maxim Integrated

146 -
RFQ
MAX1960EEP+

Datasheet

- 20-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 2.35V ~ 5.5V 500kHz, 1MHz 92% Yes Yes - Current Limit, Enable, Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 20-QSOP
LTC3866IUF#PBF

LTC3866IUF#PBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

43 -
RFQ
LTC3866IUF#PBF

Datasheet

- 24-WFQFN 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-QFN (4x4)
LTC7811IUJ#PBF

LTC7811IUJ#PBF

LOW IQ TRIPLE BUCK-BOOST CTL

Analog Devices Inc.

109 -
RFQ
LTC7811IUJ#PBF

Datasheet

- 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 3 2 1V ~ 40V 100kHz ~ 3MHz 100% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 40-QFN (6x6)
LTC3830-1ES8#PBF

LTC3830-1ES8#PBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

207 -
RFQ
LTC3830-1ES8#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 8V 200kHz 95% Yes No - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 8-SO
LT1725CGN#PBF

LT1725CGN#PBF

IC REG CTRLR FLYBACK 16SSOP

Analog Devices Inc.

119 -
RFQ
LT1725CGN#PBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive or Negative, Isolation Capable Flyback 1 1 9.7V ~ 22V 90kHz ~ 115kHz 90% No No - Enable, Soft Start 0°C ~ 100°C (TJ) - - Surface Mount 16-SSOP
LTC7840EFE#PBF

LTC7840EFE#PBF

DUAL PHASE/OUTPUT NON-SYNCH BOOS

Analog Devices Inc.

4 -
RFQ
LTC7840EFE#PBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active PWM Step-Up Positive Boost 2 2 5.5V ~ 60V 50kHz ~ 425kHz 96% No Yes - Current Limit, Enable, Frequency Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3861IUHE#PBF

LTC3861IUHE#PBF

IC REG CTRLR BUCK 36QFN

Analog Devices Inc.

120 -
RFQ
LTC3861IUHE#PBF

Datasheet

PolyPhase® 36-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 3V ~ 5.5V 250kHz ~ 3MHz 91.5% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (5x6)
LTC3838EUHF-2#PBF

LTC3838EUHF-2#PBF

IC REG CTRLR BUCK 38QFN

Analog Devices Inc.

104 -
RFQ
LTC3838EUHF-2#PBF

Datasheet

PolyPhase® 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 38V 200kHz ~ 2MHz - Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
MAX1791EUB+

MAX1791EUB+

IC REG CTRLR BUCK 10UMAX

Analog Devices Inc./Maxim Integrated

74 -
RFQ
MAX1791EUB+

Datasheet

- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 5V ~ 20V 300kHz - Yes No - Enable -40°C ~ 85°C (TA) - - Surface Mount 10-uMAX/uSOP
LT8603IUJ#TRPBF

LT8603IUJ#TRPBF

IC REG BUCK ADJ QUAD 40QFN

Analog Devices Inc.

1,463 -
RFQ
LT8603IUJ#TRPBF

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) 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)
LT8603IUJ#PBF

LT8603IUJ#PBF

IC REG BUCK ADJ QUAD 40QFN

Analog Devices Inc.

5 -
RFQ
LT8603IUJ#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)
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