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
UC3827N-1

UC3827N-1

IC REG CTRLR MULT TOPOLOGY 24DIP

Texas Instruments

0 -
RFQ
UC3827N-1

Datasheet

- 24-DIP (0.600", 15.24mm) Tube Obsolete Transistor Driver Step-Down, Step-Up/Step-Down Positive Buck, Full-Bridge, Push-Pull 3 1 7.6V ~ 20V 220kHz 91% Yes Yes - Frequency Control, Ramp, Soft Start 0°C ~ 70°C (TA) - - Through Hole 24-PDIP
MAX1716EEG+

MAX1716EEG+

IC REG CTRLR BUCK 24QSOP

Analog Devices Inc./Maxim Integrated

1,713 -
RFQ
MAX1716EEG+

Datasheet

- 24-SSOP (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2V ~ 28V 200kHz, 300kHz, 400kHz, 550kHz 100% Yes No - Current Limit, Enable, On Time Control -40°C ~ 85°C (TA) - - Surface Mount 24-QSOP
UC2842AD

UC2842AD

IC REG CTRLR PWM CM 14-SOIC

Microchip Technology

3,847 -
RFQ
UC2842AD

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 14-SOIC
UC2842ADM

UC2842ADM

IC REG CTRLR BST FLYBK ISO 8SOIC

Microchip Technology

2,299 -
RFQ
UC2842ADM

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Discontinued at Digi-Key Transistor Driver Step-Up, Step-Down Positive, Isolation Capable Boost, Buck, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 96% No No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
ISL6526AIRZ

ISL6526AIRZ

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

1,175 -
RFQ
ISL6526AIRZ

Datasheet

- 16-VQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 2.97V ~ 3.63V 600kHz 100% Yes No - Enable, Phase Control -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (5x5)
LTC1735CGN#TRPBF

LTC1735CGN#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

0 -
RFQ
LTC1735CGN#TRPBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) 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 16-SSOP
LTC3736EUF-2#TRPBF

LTC3736EUF-2#TRPBF

IC REG CTRLR BUCK 24QFN

Analog Devices Inc.

0 -
RFQ
LTC3736EUF-2#TRPBF

Datasheet

- 24-WFQFN Exposed Pad Tape & Reel (TR) 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)
LTC3853IUJ#TRPBF

LTC3853IUJ#TRPBF

IC REG CTRLR BUCK 40QFN

Analog Devices Inc.

0 -
RFQ
LTC3853IUJ#TRPBF

Datasheet

- 40-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 4.5V ~ 24V 250kHz ~ 750kHz 98% Yes No - Current Limit, Enable, Frequency Control, Power Good, Soft Start, Tracking -40°C ~ 125°C (TJ) - - Surface Mount 40-QFN (6x6)
MAX1639ESE

MAX1639ESE

IC REG CTRLR BUCK 16SOIC

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX1639ESE

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Tube Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz ~ 1MHz 90% Yes No - Frequency Control -40°C ~ 85°C (TA) - - Surface Mount 16-SOIC
UPC1099CX(22)-A

UPC1099CX(22)-A

SWITCHING CONTROLLER

Renesas Electronics Corporation

1,009 -
RFQ

-

* - Bulk Active - - - - - - - - - - - - - - - - - -
LTC3773EUHF#TRPBF

LTC3773EUHF#TRPBF

IC REG CTRLR BUCK 38QFN

Analog Devices Inc.

0 -
RFQ
LTC3773EUHF#TRPBF

Datasheet

- 38-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 3 3 3.3V ~ 36V 220kHz ~ 560kHz 98.5% Yes No - Enable, Power Good, Tracking -40°C ~ 85°C (TA) - - Surface Mount 38-QFN (5x7)
LTC3770EUH#TRPBF

LTC3770EUH#TRPBF

IC REG CTRLR BUCK 32QFN

Analog Devices Inc.

0 -
RFQ
LTC3770EUH#TRPBF

Datasheet

- 32-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 4V ~ 32V - 90% Yes No - Current Limit, Enable, On Time Control, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 32-QFN (5x5)
ISL6522CRZ-TK

ISL6522CRZ-TK

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

4,345 -
RFQ
ISL6522CRZ-TK

Datasheet

- 16-VQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 200kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-QFN (5x5)
ISL6522CRZ

ISL6522CRZ

IC REG CTRLR BUCK 16QFN

Renesas Electronics Corporation

591 -
RFQ
ISL6522CRZ

Datasheet

- 16-VQFN Exposed Pad Tray Active Transistor Driver Step-Down Positive Buck 1 1 10.8V ~ 13.2V 200kHz 100% Yes No - Enable, Frequency Control, Phase Control, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-QFN (5x5)
MAX8653ETI+

MAX8653ETI+

IC REG CTRLR BUCK 28TQFN

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX8653ETI+

Datasheet

- 28-WFQFN Exposed Pad Tube Obsolete Transistor Driver Step-Down Positive Buck 2 2 9V ~ 14V 300kHz ~ 1.5MHz - No Yes - Current Limit, Enable, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 28-TQFN (5x5)
ISL6552CB

ISL6552CB

SWITCHING CONTROLLER

Intersil

2,194 -
RFQ
ISL6552CB

Datasheet

- 20-SOIC (0.295", 7.50mm Width) Tube Obsolete PWM Signal Step-Down Positive Buck 4 4 4.75V ~ 5.25V 50kHz ~ 1.5MHz - - No - Enable, Frequency Control, Power Good 0°C ~ 70°C (TA) - - Surface Mount 20-SOIC
TL1454ACNSR

TL1454ACNSR

IC REG CTRLR BUCK/BST/FLYBK 16SO

Texas Instruments

0 -
RFQ
TL1454ACNSR

Datasheet

- 16-SOIC (0.209", 5.30mm Width) Tape & Reel (TR) Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive, Isolation Capable Buck, Boost, Flyback 2 1 3.6V ~ 20V 50kHz ~ 2MHz 100% Yes No - Dead Time Control, Frequency Control -20°C ~ 85°C (TA) - - Surface Mount 16-SO
ISL6551AR-T

ISL6551AR-T

DUAL SWITCHING CONTROLLER

Intersil

1,620 -
RFQ
ISL6551AR-T

Datasheet

- 28-VQFN Exposed Pad Bulk Active Transistor Driver Step-Up/Step-Down Positive Full-Bridge, Push-Pull 2 1 10.8V ~ 13.2V Up to 1MHz 50% Yes Yes - Current Limit, Dead Time Control, Enable, Ramp, Soft Start, Sync -40°C ~ 105°C (TA) - - Surface Mount 28-QFN (6x6)
UC3578DP

UC3578DP

SWITCHING CONTROLLER, VOLTAGE-MO

Unitrode

1,040 -
RFQ
UC3578DP

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 14V ~ 72V 110kHz 90% No No - Current Limit, Soft Start 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
LT3840IFE#TRPBF

LT3840IFE#TRPBF

IC REG CTRLR BUCK 28TSSOP

Analog Devices Inc.

0 -
RFQ
LT3840IFE#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
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