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
LTC3785IUF#TRPBF

LTC3785IUF#TRPBF

IC REG CTRLR BUCK-BOOST 24QFN

Analog Devices Inc.

0 -
RFQ
LTC3785IUF#TRPBF

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) 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)
LTC7851EUHH#TRPBF

LTC7851EUHH#TRPBF

IC REG CTRLR BUCK 58QFN

Analog Devices Inc.

0 -
RFQ
LTC7851EUHH#TRPBF

Datasheet

- 58-WFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 4 1 3V ~ 5.5V 250kHz ~ 3MHz 91.5% No No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 58-QFN (5x9)
LTC7851EUHH-1#TRPBF

LTC7851EUHH-1#TRPBF

IC REG CTRLR BUCK 58QFN

Analog Devices Inc.

0 -
RFQ
LTC7851EUHH-1#TRPBF

Datasheet

- 58-WFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 4 1 3V ~ 5.5V 250kHz ~ 3MHz 91.5% No No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 58-QFN (5x9)
TPS40210MDRCTEP

TPS40210MDRCTEP

IC REG CTRLR MULT TOP 10VSON

Texas Instruments

0 -
RFQ
TPS40210MDRCTEP

Datasheet

- 10-VFDFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 4.5V ~ 52V 35kHz ~ 1MHz - No Yes - Enable, Frequency Control, Soft Start -55°C ~ 125°C (TJ) - - Surface Mount 10-VSON (3x3)
LTC1147LCS8-3.3#PBF

LTC1147LCS8-3.3#PBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

0 -
RFQ
LTC1147LCS8-3.3#PBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 14V - 100% No No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SO
LM34936RHFR

LM34936RHFR

.5-55VIN 4 SWITCH BUCK-BOOST CON

Texas Instruments

1 -
RFQ
LM34936RHFR

Datasheet

- 28-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 1 4.2V ~ 30V 100kHz ~ 600kHz 100% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-VQFN (5x4)
LTC7840HFE#TRPBF

LTC7840HFE#TRPBF

DUAL PHASE/OUTPUT NON-SYNCH BOOS

Analog Devices Inc.

0 -
RFQ
LTC7840HFE#TRPBF

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) 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
LTC7840HUFD#TRPBF

LTC7840HUFD#TRPBF

DUAL PHASE/OUTPUT NON-SYNCH BOOS

Analog Devices Inc.

0 -
RFQ
LTC7840HUFD#TRPBF

Datasheet

- 28-WFQFN Exposed Pad Tape & Reel (TR) 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-QFN (4x5)
LTC7841EUHE#TRPBF

LTC7841EUHE#TRPBF

POLYPHSYNC BOOST CNTR

Analog Devices Inc.

0 -
RFQ
LTC7841EUHE#TRPBF

Datasheet

- 36-WFQFN Exposed Pad Tape & Reel (TR) 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 (TJ) - - Surface Mount 36-QFN (5x6)
LTC7818EUJ#TRPBF

LTC7818EUJ#TRPBF

BUCK/BUCK/BOOST SYNC CTL, 40V, 3

Analog Devices Inc.

0 -
RFQ
LTC7818EUJ#TRPBF

Datasheet

- - Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 1 1 4.5V ~ 40V 100kHz ~ 3MHz 100% Yes No - - -40°C ~ 125°C (TJ) - - - -
LTC1147HVCS8-3.3#TRPBF

LTC1147HVCS8-3.3#TRPBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

0 -
RFQ
LTC1147HVCS8-3.3#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 14V - 100% No No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SO
ISL6420AIRZ-TK

ISL6420AIRZ-TK

IC REG CTRLR BUCK 20QFN

Renesas Electronics Corporation

0 -
RFQ
ISL6420AIRZ-TK

Datasheet

- 20-VFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 5.6V ~ 28V 100kHz ~ 1.4MHz 96% Yes No - Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 20-QFN (4x4)
MAX5066AUI+T

MAX5066AUI+T

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 28V 100kHz ~ 1MHz - Yes No - Enable, Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LTC1147IS8-3.3#TRPBF

LTC1147IS8-3.3#TRPBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

0 -
RFQ
LTC1147IS8-3.3#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 14V - 100% No No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SO
LTC1147IS8-5#TRPBF

LTC1147IS8-5#TRPBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

0 -
RFQ
LTC1147IS8-5#TRPBF

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 14V - 100% No No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SO
LTC1735CGN-1#TRPBF

LTC1735CGN-1#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

0 -
RFQ
LTC1735CGN-1#TRPBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V 300kHz 99.4% Yes No - Enable, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 16-SSOP
LTC3703IGN#TRPBF

LTC3703IGN#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

0 -
RFQ
LTC3703IGN#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 ~ 125°C (TJ) - - Surface Mount 16-SSOP
LM27213MTD/NOPB

LM27213MTD/NOPB

IC REG CTRLR BUCK 48TSSOP

Texas Instruments

0 -
RFQ
LM27213MTD/NOPB

Datasheet

- 48-TFSOP (0.240", 6.10mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.75V ~ 6V - - Yes No - Current Limit, Enable, Power Good, Soft Start -5°C ~ 105°C (TA) - - Surface Mount 48-TSSOP
LTC3803MPS6-3#TRPBF

LTC3803MPS6-3#TRPBF

IC REG CTRLR FLYBACK TSOT23-6

Analog Devices Inc.

0 -
RFQ
LTC3803MPS6-3#TRPBF

Datasheet

- SOT-23-6 Thin, TSOT-23-6 Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback 1 1 5.7V ~ 8V 300kHz 80% No No - Current Limit, Enable -55°C ~ 150°C (TJ) - - Surface Mount TSOT-23-6
LT8714IFE#TRPBF

LT8714IFE#TRPBF

IC REG CTRLR FLYBACK 20TSSOP

Analog Devices Inc.

0 -
RFQ
LT8714IFE#TRPBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive or Negative Flyback 1 1 4.5V ~ 80V 100kHz ~ 750kHz - No Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 20-TSSOP-EP
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