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
LTC1437AIG#TRPBF

LTC1437AIG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1437AIG#TRPBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) 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 28-SSOP
LT8708HUHG#TRPBF

LT8708HUHG#TRPBF

80V SYNCHRONOUS 4-SWITCH BUCK-BO

Analog Devices Inc.

0 -
RFQ
LT8708HUHG#TRPBF

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 2.8V ~ 80V 100kHz ~ 400kHz 80% Yes Yes - - -40°C ~ 150°C - - Surface Mount 40-QFN (5x8)
LTC3886IUKG#TRPBF

LTC3886IUKG#TRPBF

IC REG CTRLR BUCK PMBUS 52QFN

Analog Devices Inc.

0 -
RFQ
LTC3886IUKG#TRPBF

Datasheet

PolyPhase® 52-WFQFN, 46 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 60V 100kHz ~ 750kHz - Yes Yes I2C, PMBus Enable, Frequency Control, Phase Control, Power Good -40°C ~ 125°C (TJ) - - Surface Mount 52-QFN (7x8)
LTC1438XCG#TRPBF

LTC1438XCG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1438XCG#TRPBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SSOP
LTC3779HFE#TRPBF

LTC3779HFE#TRPBF

IC REG CTRLR BUCK-BOOST 38-TSSOP

Analog Devices Inc.

0 -
RFQ
LTC3779HFE#TRPBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) 31 Leads, Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down Positive Buck, Boost 1 1 4.5V ~ 150V 50kHz ~ 600kHz 90% Yes No - Current Limit, Power Good, Soft Start -40°C ~ 150°C (TJ) - - Surface Mount 38-TSSOP-EP
MAX1631AEAI+T

MAX1631AEAI+T

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 4.2V ~ 30V 200kHz ~ 300kHz 99% Yes Yes - Enable, Reset, Sequencing -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
MAX5041EAI+T

MAX5041EAI+T

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ

-

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 28V 250kHz, 500kHz - Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC3786IUD#TRPBF

LTC3786IUD#TRPBF

IC REG CTRLR MULT TOPOLOGY 16QFN

Analog Devices Inc.

0 -
RFQ
LTC3786IUD#TRPBF

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 4.5V ~ 38V 105kHz ~ 760kHz 96% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-QFN (3x3)
ISL68239IRAZ-T

ISL68239IRAZ-T

INFRA AVS 3OUT/12PH DIGITAL CONT

Renesas Electronics Corporation

0 -
RFQ
ISL68239IRAZ-T

Datasheet

- 68-VFQFN Exposed Pad Tape & Reel (TR) Active PWM Signal Step-Down Positive Buck 3 12 3.135V ~ 3.465V 200kHz ~ 2MHz - No Yes - Current Limit, Enable, Frequency Control, Phase Control, Power Good, Power On Reset, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 68-QFN (8x8)
XR77129ELBMTR-F

XR77129ELBMTR-F

IC REG CTRLR BUCK SMBUS 44TQFN

MaxLinear, Inc.

0 -
RFQ
XR77129ELBMTR-F

Datasheet

- 44-WFQFN Exposed Pad Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 4 1 6V ~ 40V 105kHz ~ 1.23MHz - Yes No I2C, SMBus Enable -40°C ~ 125°C (TJ) - - Surface Mount 44-TQFN (7x7)
LTC3807MPUDC#TRPBF

LTC3807MPUDC#TRPBF

IC REG CTRLR BUCK 20QFN

Analog Devices Inc.

0 -
RFQ
LTC3807MPUDC#TRPBF

Datasheet

- 20-WFQFN Exposed Pad Tape & Reel (TR) 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-QFN (3x4)
LT1339IN#PBF

LT1339IN#PBF

IC REG CTRLR BST/FWRD CONV 20DIP

Analog Devices Inc.

0 -
RFQ
LT1339IN#PBF

Datasheet

- 20-DIP (0.300", 7.62mm) Tube Active Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Forward Converter 1 1 Up to 20V - 90% No Yes - Current Limit, Enable, Phase Control, Soft Start -40°C ~ 85°C (TA) - - Through Hole 20-PDIP
LTC1629CG#TRPBF

LTC1629CG#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1629CG#TRPBF

Datasheet

PolyPhase® 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4V ~ 36V 220kHz 99.5% Yes No - Enable, Phase Control, Power Good, Soft Start 0°C ~ 85°C (TA) - - Surface Mount 28-SSOP
LTC1159IS-5#TRPBF

LTC1159IS-5#TRPBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1159IS-5#TRPBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC1159IS-3.3#TRPBF

LTC1159IS-3.3#TRPBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1159IS-3.3#TRPBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LTC1159IS#TRPBF

LTC1159IS#TRPBF

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc.

0 -
RFQ
LTC1159IS#TRPBF

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 40V Up to 250kHz 100% Yes No - Current Limit, Enable -40°C ~ 85°C (TA) - - Surface Mount 16-SO
LT8228IFE#TRPBF

LT8228IFE#TRPBF

SWITCHING VOLTAGE REGULATORS 100

Analog Devices Inc.

0 -
RFQ
LT8228IFE#TRPBF

Datasheet

- 38-TFSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 6V ~ 100V 80kHz ~ 600kHz - Yes Yes - - -40°C ~ 125°C (TJ) - - Surface Mount 38-TSSOP-EP
MAX15034BAUI+T

MAX15034BAUI+T

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX15034BAUI+T

Datasheet

- 28-TSSOP (0.173", 4.40mm Width) Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 2 4.75V ~ 5.5V, 5V ~ 28V 100kHz ~ 1MHz - Yes No - Enable, Frequency Control -40°C ~ 125°C (TJ) - - Surface Mount 28-TSSOP-EP
LT8708IUHG-1#TRPBF

LT8708IUHG-1#TRPBF

80V SYNCHRONOUS 4-SWITCH BUCK-BO

Analog Devices Inc.

0 -
RFQ
LT8708IUHG-1#TRPBF

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Up/Step-Down Positive Buck-Boost 1 2 2.8V ~ 80V 100kHz ~ 400kHz 80% Yes Yes - - -40°C ~ 125°C - - Surface Mount 40-QFN (5x8)
LTC1438CG-ADJ#TRPBF

LTC1438CG-ADJ#TRPBF

IC REG CTRLR BUCK 28SSOP

Analog Devices Inc.

0 -
RFQ
LTC1438CG-ADJ#TRPBF

Datasheet

- 28-SSOP (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 2 1 3.5V ~ 30V Up to 400kHz 99% Yes No - Enable, Power on Reset, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 28-SSOP
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