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
LTC7818HUJ#PBF

LTC7818HUJ#PBF

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

Analog Devices Inc.

61 -
RFQ
LTC7818HUJ#PBF

Datasheet

- - Tube Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 1 1 4.5V ~ 40V 100kHz ~ 3MHz - Yes No - - -40°C ~ 150°C - - - -
LTC3736EUF-1#PBF

LTC3736EUF-1#PBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

91 -
RFQ
LTC3736EUF-1#PBF

Datasheet

- 24-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 2.75V ~ 9.8V 300kHz ~ 750kHz 100% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 24-QFN (4x4)
LTC1439IG#PBF

LTC1439IG#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

0 -
RFQ
LTC1439IG#PBF

Datasheet

- 36-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC1439IGW#PBF

LTC1439IGW#PBF

IC REG CTRLR BUCK 36SSOP

Analog Devices Inc.

0 -
RFQ
LTC1439IGW#PBF

Datasheet

- 36-BSOP (0.295", 7.50mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 36-SSOP
LTC3890IGN-3#PBF

LTC3890IGN-3#PBF

IC REG CTRLR BUCK/SEPIC 28SSOP

Analog Devices Inc.

49 -
RFQ
LTC3890IGN-3#PBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube 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, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC1929CG#PBF

LTC1929CG#PBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

45 -
RFQ
LTC1929CG#PBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V - 99.5% Yes No - Enable, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 28-SSOP
MAX15157DATJ+

MAX15157DATJ+

48V CURRENT MODE BUCK CONTROLLER

Analog Devices Inc./Maxim Integrated

489 -
RFQ
MAX15157DATJ+

Datasheet

- 32-WFQFN Exposed Pad Tray Active Transistor Driver Step-Down Positive Buck 1 1 8V ~ 60V 60kHz ~ 1MHz 50% No Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Ramp, Soft Start -40°C ~ 125°C (TA) - - Surface Mount 32-TQFN (5x5)
LTC3883IUH#TRPBF

LTC3883IUH#TRPBF

IC REG CTRLR BUCK PMBUS 32QFN

Analog Devices Inc.

2,197 -
RFQ
LTC3883IUH#TRPBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tape & Reel (TR) 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)
LTC3851AMPMSE-1#PBF

LTC3851AMPMSE-1#PBF

IC REG CTRLR BUCK 16MSOP

Analog Devices Inc.

11 -
RFQ
LTC3851AMPMSE-1#PBF

Datasheet

- 16-TFSOP (0.118", 3.00mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 235kHz ~ 750kHz 99% Yes No - Enable, Frequency Control, Power Good, Soft Start, Tracking -55°C ~ 150°C (TJ) - - Surface Mount 16-MSOP-EP
LTC3728LIUH-1#PBF

LTC3728LIUH-1#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

14 -
RFQ
LTC3728LIUH-1#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 35V 260kHz ~ 550kHz 99.4% Yes No - Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
MAX20754ETMA2+

MAX20754ETMA2+

6CH CONFIGURABLE MASTER W/ PMBUS

Analog Devices Inc./Maxim Integrated

665 -
RFQ
MAX20754ETMA2+

Datasheet

- 48-WFQFN Exposed Pad Tube Active PWM Signal Step-Down Positive Buck 2 2 10V ~ 16V 300kHz ~ 800kHz - No No PMBus, SMBus - -40°C ~ 125°C - - Surface Mount 48-TQFN (7x7)
LTC3826EUH#PBF

LTC3826EUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

14 -
RFQ
LTC3826EUH#PBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tube 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)
LTC1148CS-5#PBF

LTC1148CS-5#PBF

IC REG CTRLR BUCK 14SOIC

Analog Devices Inc.

21 -
RFQ
LTC1148CS-5#PBF

Datasheet

- 14-SOIC (0.154", 3.90mm Width) 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) - - Surface Mount 14-SO
LTC3826IUH#PBF

LTC3826IUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

14 -
RFQ
LTC3826IUH#PBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tube 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)
LTC3896HFE#TRPBF

LTC3896HFE#TRPBF

IC REG BUCK BOOST 38TSSOP

Analog Devices Inc.

1,201 -
RFQ
LTC3896HFE#TRPBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Negative Buck-Boost 1 1 4V ~ 140V 50kHz ~ 900kHz 99% No No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC3859ALIUHF#WPBF

LTC3859ALIUHF#WPBF

3X OUT, BUCK/BUCK/BOOST SYNC CNT

Analog Devices Inc.

104 -
RFQ
LTC3859ALIUHF#WPBF

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost, SEPIC 3 2 4.5V ~ 36V 50kHz ~ 900kHz 100% Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC1649IS#PBF

LTC1649IS#PBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

50 -
RFQ
LTC1649IS#PBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube 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
LTC1436AIGN-PLL#PBF

LTC1436AIGN-PLL#PBF

IC REG CTRLR BUCK 24SSOP

Analog Devices Inc.

11 -
RFQ
LTC1436AIGN-PLL#PBF

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 24-SSOP
LTC3859ALHUHF#WPBF

LTC3859ALHUHF#WPBF

3X OUT, BUCK/BUCK/BOOST SYNC CNT

Analog Devices Inc.

104 -
RFQ
LTC3859ALHUHF#WPBF

Datasheet

- 38-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Buck-Boost, SEPIC 3 2 4.5V ~ 36V 50kHz ~ 900kHz 100% Yes Yes - Current Limit, Dead Time Control, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 150°C (TJ) - - Surface Mount 38-QFN (5x7)
LTC3807MPFE#PBF

LTC3807MPFE#PBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

74 -
RFQ
LTC3807MPFE#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 38V 50kHz ~ 900kHz 99% Yes No - Current Limit, Enable, Frequency Control, Soft Start, Tracking -55°C ~ 150°C (TJ) - - Surface Mount 20-TSSOP-EP
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