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
LTC3813EG#PBF

LTC3813EG#PBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

213 -
RFQ
LTC3813EG#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Up Positive Boost 1 1 6.35V ~ 14V - - Yes Yes - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3784EGN#PBF

LTC3784EGN#PBF

IC REG CTRLR BOOST 28SSOP

Analog Devices Inc.

503 -
RFQ
LTC3784EGN#PBF

Datasheet

PolyPhase® 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 60V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LM5170PHPT

LM5170PHPT

BI DIRECTIONAL 48V TO 12V CURREN

Texas Instruments

240 -
RFQ
LM5170PHPT

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)
MAX20751EKX+T

MAX20751EKX+T

IC REG CTRLR BUCK PMBUS 36QFN

Analog Devices Inc./Maxim Integrated

1,733 -
RFQ

-

- 36-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 4 4 1.71V ~ 3.63V 300kHz ~ 800kHz - No No PMBus Phase Control, Power Good, Ramp -40°C ~ 125°C (TJ) - - Surface Mount 36-QFN (6x6)
LT3753HFE#PBF

LT3753HFE#PBF

IC REG CTRLR FWRD CONV 38TSSOP

Analog Devices Inc.

4,769 -
RFQ
LT3753HFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 8.5V ~ 100V 100kHz ~ 500kHz - Yes Yes - Frequency Control, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
LT3840EFE#TRPBF

LT3840EFE#TRPBF

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc.

3,108 -
RFQ
LT3840EFE#TRPBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 2.5V ~ 60V 50kHz ~ 1MHz 99% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LT3840EFE#PBF

LT3840EFE#PBF

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc.

974 -
RFQ
LT3840EFE#PBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive or Negative Buck 1 1 2.5V ~ 60V 50kHz ~ 1MHz 99% Yes Yes - Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC3736EGN-2#PBF

LTC3736EGN-2#PBF

IC REG CTRLR BUCK 24SSOP

Analog Devices Inc.

326 -
RFQ
LTC3736EGN-2#PBF

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes Yes - Current Limit, Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-SSOP
LTC3830EGN#PBF

LTC3830EGN#PBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

105 -
RFQ
LTC3830EGN#PBF

Datasheet

- 16-SSOP (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 16-SSOP
LTC7801HUFD#PBF

LTC7801HUFD#PBF

IC REG CTRLR SYNC BUCK 24QFN

Analog Devices Inc.

569 -
RFQ
LTC7801HUFD#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 140V 50kHz ~ 900kHz 100% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 24-QFN (4x5)
LTC3862IFE#PBF

LTC3862IFE#PBF

IC REG CTRLR BOOST/SEPIC 24TSSOP

Analog Devices Inc.

51 -
RFQ
LTC3862IFE#PBF

Datasheet

- 24-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, SEPIC 2 2 4V ~ 36V 75kHz ~ 500kHz 96% No Yes - Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 24-TSSOP
LT3844IFE#PBF

LT3844IFE#PBF

IC REG CTRLR MULT TOP 16TSSOP

Analog Devices Inc.

112 -
RFQ
LT3844IFE#PBF

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive or Negative Buck, Boost, SEPIC 1 1 4V ~ 60V 300kHz - No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP-EP
LTC3858EGN-1#PBF

LTC3858EGN-1#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

79 -
RFQ
LTC3858EGN-1#PBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 38V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99.4% Yes No - Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3785IUF#PBF

LTC3785IUF#PBF

IC REG CTRLR BUCK-BOOST 24QFN

Analog Devices Inc.

46 -
RFQ
LTC3785IUF#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 1 2.7V ~ 10V 100kHz ~ 1MHz 99% Yes No - Current Limit, Enable, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 24-QFN (4x4)
LTC7840HFE#PBF

LTC7840HFE#PBF

DUAL PHASE/OUTPUT NON-SYNCH BOOS

Analog Devices Inc.

75 -
RFQ
LTC7840HFE#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 ~ 150°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC7841EUHE#PBF

LTC7841EUHE#PBF

POLYPHSYNC BOOST CNTR

Analog Devices Inc.

63 -
RFQ
LTC7841EUHE#PBF

Datasheet

- 36-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 1 12 4.5V ~ 60V 75kHz ~ 850kHz 96% Yes Yes I2C, PMBus, SMBus Current Limit, Power Good -40°C ~ 125°C - - Surface Mount 36-QFN (5x6)
LTC7871ILWE#PBF

LTC7871ILWE#PBF

6-PHASE BIDIRECTIONAL BUCK/BOOST

Analog Devices Inc.

143 -
RFQ
LTC7871ILWE#PBF

Datasheet

PolyPhase® 64-LQFP Exposed Pad Tray Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 6 6 6V ~ 100V 60kHz ~ 750kHz 98% Yes Yes SPI Enable, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 64-LQFP-EP (10x10)
LTC3703IGN-5#TRPBF

LTC3703IGN-5#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

7,113 -
RFQ
LTC3703IGN-5#TRPBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4.1V ~ 15V 100kHz ~ 600kHz 93% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-SSOP
LTC3883IUH-1#PBF

LTC3883IUH-1#PBF

IC REG CTRLR BUCK PMBUS 32QFN

Analog Devices Inc.

541 -
RFQ
LTC3883IUH-1#PBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
TPS53681RSBT

TPS53681RSBT

DUAL-CHANNEL 6+2/5+3 D-CAP+TM MU

Texas Instruments

442 -
RFQ
TPS53681RSBT

Datasheet

D-CAP+™ 40-WFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 2 8 4.5V ~ 17V 300kHz ~ 1MHz - No No PMBus Current Limit, Enable -40°C ~ 125°C (TJ) - - Surface Mount 40-WQFN (5x5)
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