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
ISL6551AR

ISL6551AR

DUAL SWITCHING CONTROLLER

Intersil

1,001 -
RFQ
ISL6551AR

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)
ISL6551AB

ISL6551AB

DUAL SWITCHING CONTROLLER

Intersil

826 -
RFQ
ISL6551AB

Datasheet

- 28-SOIC (0.295", 7.50mm Width) 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-SOIC
LTC3879IUD#TRPBF

LTC3879IUD#TRPBF

IC REG CTRLR BUCK 16QFN

Analog Devices Inc.

0 -
RFQ
LTC3879IUD#TRPBF

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Active Transistor Driver Step-Down Positive or Negative Buck 1 1 4V ~ 38V - - Yes No - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 16-QFN (3x3)
ISL6522CBZ-T

ISL6522CBZ-T

SWITCHING CONTROLLER

Intersil

7,500 -
RFQ
ISL6522CBZ-T

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Bulk Obsolete 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 14-SOIC
LM5025DMTC/NOPB

LM5025DMTC/NOPB

IC REG CTRLR FWRD CONV 16TSSOP

Texas Instruments

440 -
RFQ
LM5025DMTC/NOPB

Datasheet

- 16-TSSOP (0.173", 4.40mm Width) Bulk Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Forward Converter 2 1 8V ~ 15V 200kHz ~ 580kHz 80% No Yes - Dead Time Control, Frequency Control, Ramp, Soft Start -40°C ~ 125°C (TJ) - - Surface Mount 16-TSSOP
ISL6522CBZ

ISL6522CBZ

SWITCHING CONTROLLER

Intersil

1,125 -
RFQ
ISL6522CBZ

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tube Obsolete 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 14-SOIC
LT3757IDD

LT3757IDD

LT3757 - BOOST, FLY, SEPIC & INV

Linear Technology

7,903 -
RFQ
LT3757IDD

Datasheet

- 10-WFDFN Exposed Pad Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive and Negative Boost, Flyback, SEPIC 1 1 2.9V ~ 40V 100kHz ~ 1MHz - No Yes - Enable, Frequency Control, Soft Start -40°C ~ 125°C (TJ) Automotive AEC-Q100 Surface Mount 10-DFN (3x3)
CA3524F

CA3524F

REGULATING PULSE WIDTH MODULATOR

Harris Corporation

32,936 -
RFQ
CA3524F

Datasheet

- 16-CDIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Down Positive Flyback, Push-Pull 2 1 8V ~ 40V Up to 300kHz 45% No No - Current limit, Dead Time Control, Enable, Frequency Control, Ramp 0°C ~ 70°C (TA) - - Through Hole 16-CERDIP
UCC39421N

UCC39421N

IC REG CTRLR MULT TOPOLOGY 16DIP

Texas Instruments

0 -
RFQ
UCC39421N

Datasheet

- 16-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 1.8V ~ 8V 150kHz ~ 1.2MHz 88% Yes Yes - Enable, Frequency Control, Low Battery, Reset 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
UCC39421N

UCC39421N

0.00065A, 2000KHZ BICMOS, PDIP16

Unitrode

4,659 -
RFQ
UCC39421N

Datasheet

- 16-DIP (0.300", 7.62mm) Bulk Active Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, SEPIC 1 1 1.8V ~ 8V 150kHz ~ 1.2MHz 88% Yes Yes - Enable, Frequency Control, Low Battery, Reset 0°C ~ 70°C (TA) - - Through Hole 16-PDIP
ISL6420IRZ-TK

ISL6420IRZ-TK

SWITCHING CONTROLLER

Intersil

310 -
RFQ
ISL6420IRZ-TK

Datasheet

- 20-VFQFN Exposed Pad Bulk Obsolete Transistor Driver Step-Down Positive Buck 1 1 5.6V ~ 16V 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)
TPS40052PWPR

TPS40052PWPR

IC REG CTRLR BUCK 16HTSSOP

Texas Instruments

0 -
RFQ
TPS40052PWPR

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 10V ~ 40V 100kHz ~ 1MHz 94% Yes Yes - Current Limit, Enable, Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
UCC3884D

UCC3884D

IC REG CTRLR MULT TOP 16SOIC

Texas Instruments

0 -
RFQ
UCC3884D

Datasheet

- 16-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Up, Step-Down, Step-Up/Step-Down Positive Buck, Boost, Flyback, Forward Converter 1 1 8.3V ~ 15V - 78% No Yes - Enable 0°C ~ 70°C (TA) - - Surface Mount 16-SOIC
MAX8594AETG+

MAX8594AETG+

5-OUTPUT PMICS WITH DC-DC CORE S

Analog Devices Inc./Maxim Integrated

1,230 -
RFQ
MAX8594AETG+

Datasheet

* - Bulk Active - - - - - - - - - - - - - - - - - -
ISL6420AIRZ-TKR5264

ISL6420AIRZ-TKR5264

SWITCHING CONTROLLER

Intersil

31,000 -
RFQ
ISL6420AIRZ-TKR5264

Datasheet

- 20-VFQFN Exposed Pad Bulk Obsolete 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)
LTC3822EGN-1#TRPBF

LTC3822EGN-1#TRPBF

IC REG CTRLR BUCK 16SSOP

Analog Devices Inc.

0 -
RFQ
LTC3822EGN-1#TRPBF

Datasheet

- 16-SSOP (0.154", 3.90mm Width) Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.75V ~ 4.5V 300kHz, 550kHz, 750kHz 99% Yes Yes - Enable, Power Good, Soft Start, Tracking -40°C ~ 85°C (TA) - - Surface Mount 16-SSOP
MAX1651CSA-T

MAX1651CSA-T

STEP-DOWN DC-DC CONTROLLER

Analog Devices Inc./Maxim Integrated

2,500 -
RFQ
MAX1651CSA-T

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 3V ~ 16V Up to 300kHz 90.5% No No - Current Limit, Enable 0°C ~ 70°C (TA) - - Surface Mount 8-SOIC
UCC28084P

UCC28084P

IC REG CTRLR MULT TOPOLOGY 8DIP

Texas Instruments

0 -
RFQ
UCC28084P

Datasheet

- 8-DIP (0.300", 7.62mm) Bulk Obsolete Transistor Driver Step-Up/Step-Down Positive Half-Bridge, Push-Pull 2 1 4.1V ~ 15V 200kHz 49% Yes No - Current Limit, Frequency Control -40°C ~ 85°C (TA) - - Through Hole 8-PDIP
LV5044V-TLM-E

LV5044V-TLM-E

STEP-DOWN DC-DC CONTROLLER

Sanyo

1,000 -
RFQ
LV5044V-TLM-E

Datasheet

- 30-LSSOP (0.220", 5.60mm Width) Bulk Obsolete Transistor Driver Step-Down Positive Buck 2 2 4.5V ~ 16V 250kHz ~ 1.1MHz 82% Yes No - Current Limit, Power Good, Soft Start -20°C ~ 85°C (TA) - - Surface Mount 30-SSOP
TPS40020PWP

TPS40020PWP

IC REG CTRLR BUCK 16HTSSOP

Texas Instruments

0 -
RFQ
TPS40020PWP

Datasheet

- 16-PowerTSSOP (0.173", 4.40mm Width) Bulk Active Transistor Driver Step-Down Positive Buck 1 1 2.25V ~ 5.5V 100kHz ~ 1MHz 95% Yes Yes - Current Limit, Enable, Frequency Control, Power Good, Soft Start -40°C ~ 85°C (TA) - - Surface Mount 16-HTSSOP
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