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
LTC3896IFE#PBF

LTC3896IFE#PBF

IC REG CTRLR BUCK-BOOST 38TSSOP

Analog Devices Inc.

3,175 -
RFQ
LTC3896IFE#PBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tube 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 ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
LTC3736EUF-2#PBF

LTC3736EUF-2#PBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

45 -
RFQ
LTC3736EUF-2#PBF

Datasheet

- 24-WFQFN Exposed Pad 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-QFN (4x4)
LTC3789IGN#PBF

LTC3789IGN#PBF

IC REG CTRLR BUCK-BOOST 28SSOP

Analog Devices Inc.

1,034 -
RFQ
LTC3789IGN#PBF

Datasheet

- 28-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 2 1 4V ~ 38V 200kHz ~ 640kHz 90% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 28-SSOP
LTC3880EUJ-1#PBF

LTC3880EUJ-1#PBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

2,117 -
RFQ
LTC3880EUJ-1#PBF

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V - - Yes Yes I2C, PMBus Enable, Frequency Control -40°C ~ 105°C (TA) - - Surface Mount 40-QFN (6x6)
LTC3891IUDC#PBF

LTC3891IUDC#PBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

387 -
RFQ
LTC3891IUDC#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (3x4)
LTC7800IUDC#PBF

LTC7800IUDC#PBF

IC REG CTRLR SYNC BUCK 60V 20QFN

Analog Devices Inc.

0 -
RFQ
LTC7800IUDC#PBF

Datasheet

- 20-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 60V 320kHz ~ 2.25MHz 98% No No - Current Limit, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 20-QFN (3x4)
LTC3857EUH#PBF

LTC3857EUH#PBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

146 -
RFQ
LTC3857EUH#PBF

Datasheet

PolyPhase® 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 38V 105kHz ~ 835kHz, 350kHz ~ 535kHz 99.4% Yes No - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC3862HUH#PBF

LTC3862HUH#PBF

IC REG CTRLR BOOST/SEPIC 24QFN

Analog Devices Inc.

127 -
RFQ
LTC3862HUH#PBF

Datasheet

- 24-WQFN 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 ~ 150°C (TJ) - - Surface Mount 24-QFN (5x5)
LTC3862HGN#PBF

LTC3862HGN#PBF

IC REG CTRLR BOOST/SEPIC 24SSOP

Analog Devices Inc.

110 -
RFQ
LTC3862HGN#PBF

Datasheet

- 24-SSOP (0.154", 3.90mm Width) 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 ~ 150°C (TJ) - - Surface Mount 24-SSOP
LTC3788IUH#PBF

LTC3788IUH#PBF

IC REG CTRLR BOOST 32QFN

Analog Devices Inc.

63 -
RFQ
LTC3788IUH#PBF

Datasheet

- 32-WFQFN Exposed Pad Tube Active Transistor Driver Step-Up Positive Boost 2 2 4.5V ~ 38V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 32-QFN (5x5)
LTC3862HUH-1#PBF

LTC3862HUH-1#PBF

IC REG CTRLR BOOST/SEPIC 24QFN

Analog Devices Inc.

20 -
RFQ
LTC3862HUH-1#PBF

Datasheet

- 24-WQFN Exposed Pad Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, SEPIC 2 2 8.5V ~ 36V 75kHz ~ 500kHz 96% No Yes - Enable, Frequency Control, Phase Control, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 24-QFN (5x5)
LT1952IGN-1#TRPBF

LT1952IGN-1#TRPBF

IC REG CTRLR FWRD CONV 16SSOP

Analog Devices Inc.

2,425 -
RFQ
LT1952IGN-1#TRPBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 1 1 6.82V ~ 25V 100kHz ~ 500kHz 90% Yes Yes - Enable, Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 16-SSOP
LTC1147LIS8#PBF

LTC1147LIS8#PBF

IC REG CTRLR BUCK 8SOIC

Analog Devices Inc.

129 -
RFQ
LTC1147LIS8#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 -40°C ~ 85°C (TA) - - Surface Mount 8-SO
MAX1653EEE+

MAX1653EEE+

IC REG CTRLR BUCK 16QSOP

Analog Devices Inc./Maxim Integrated

97 -
RFQ
MAX1653EEE+

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 30V 150kHz, 300kHz 98% Yes Yes - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-QSOP
LTC1735CF#PBF

LTC1735CF#PBF

IC REG CTRLR BUCK 20TSSOP

Analog Devices Inc.

35 -
RFQ
LTC1735CF#PBF

Datasheet

- 20-TSSOP (0.173", 4.40mm Width) Tube Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 30V 300kHz 99.4% Yes No - Enable, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 20-TSSOP
LTC3899IUHF#PBF

LTC3899IUHF#PBF

IC REG CTRLR BUCK/BUCK-BST 38QFN

Analog Devices Inc.

2,438 -
RFQ
LTC3899IUHF#PBF

Datasheet

- 38-WFQFN Exposed Pad Tube 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-QFN (5x7)
LTC3887EUJ#PBF

LTC3887EUJ#PBF

IC REG CTRLR BUCK PMBUS 40QFN

Analog Devices Inc.

1,941 -
RFQ
LTC3887EUJ#PBF

Datasheet

PolyPhase® 40-WFQFN Exposed Pad Tube Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 24V 250kHz ~ 1MHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
LT3840IFE#PBF

LT3840IFE#PBF

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc.

2,425 -
RFQ
LT3840IFE#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
MAX774EPA+

MAX774EPA+

IC REG CTRLR BUCK-BOOST 8DIP

Analog Devices Inc./Maxim Integrated

121 -
RFQ
MAX774EPA+

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up/Step-Down Negative Buck-Boost 1 1 3V ~ 16.5V 300kHz - No No - Enable -40°C ~ 85°C (TA) - - Through Hole 8-PDIP
LTC3862HFE#PBF

LTC3862HFE#PBF

IC REG CTRLR BOOST/SEPIC 24TSSOP

Analog Devices Inc.

188 -
RFQ
LTC3862HFE#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 ~ 150°C (TJ) - - Surface Mount 24-TSSOP
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