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
S-8521F34MC-BPTT2U

S-8521F34MC-BPTT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521F34MC-BPTT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521F36MC-BPVT2G

S-8521F36MC-BPVT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521F36MC-BPVT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521F36MC-BPVT2U

S-8521F36MC-BPVT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521F36MC-BPVT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521F40MC-BPZT2G

S-8521F40MC-BPZT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521F40MC-BPZT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521F40MC-BPZT2U

S-8521F40MC-BPZT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521F40MC-BPZT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521F50MC-BQJT2U

S-8521F50MC-BQJT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521F50MC-BQJT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521F55MC-BQOT2G

S-8521F55MC-BQOT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521F55MC-BQOT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521F55MC-BQOT2U

S-8521F55MC-BQOT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521F55MC-BQOT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8520E30MC-BJPNT2U

S-8520E30MC-BJPNT2U

LINEAR IC

ABLIC Inc.

0 -
RFQ

-

S-8520 SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 300kHz 100% No No - Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8520E30MC-BJPNT2G

S-8520E30MC-BJPNT2G

LINEAR IC

ABLIC Inc.

0 -
RFQ

-

S-8520 SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 300kHz 100% No No - Frequency Control, Soft Start -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
XRP6124ESTR0.5-F

XRP6124ESTR0.5-F

IC REG CTRLR BUCK SOT23-5

MaxLinear, Inc.

0 -
RFQ

-

- SC-74A, SOT-753 Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 3V ~ 18V 200kHz ~ 833kHz - No No - Enable -40°C ~ 125°C (TJ) - - Surface Mount SOT-23-5
RT8208AGQW

RT8208AGQW

IC REG CTRLR BUCK 16WQFN

Richtek USA Inc.

0 -
RFQ
RT8208AGQW

Datasheet

- 16-WFQFN Exposed Pad Tape & Reel (TR) Discontinued at Digi-Key Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V - - Yes No - Enable, On Time Control, Phase Control, Power Good -40°C ~ 85°C (TA) - - Surface Mount 16-WQFN (3x3)
MAX5021EUA+T

MAX5021EUA+T

IC REG CTRLR MULT TOPOLOGY 8UMAX

Analog Devices Inc./Maxim Integrated

0 -
RFQ
MAX5021EUA+T

Datasheet

- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive, Isolation Capable Flyback, Forward Converter 1 1 11V ~ 28V 262kHz 50% No No - - -40°C ~ 85°C (TA) - - Surface Mount 8-uMAX/uSOP
FAN6520AIM

FAN6520AIM

IC REG CTRLR BUCK 8SOIC

onsemi

0 -
RFQ
FAN6520AIM

Datasheet

- 8-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Down Positive Buck 1 1 4.5V ~ 5.5V 300kHz 100% Yes No - Enable -40°C ~ 85°C (TA) - - Surface Mount 8-SOIC
MC34060ADR2

MC34060ADR2

IC REG CTRLR FLYBACK 14SOIC

onsemi

0 -
RFQ
MC34060ADR2

Datasheet

- 14-SOIC (0.154", 3.90mm Width) Tape & Reel (TR) Obsolete Transistor Driver Step-Up/Step-Down Positive or Negative, Isolation Capable Flyback 1 1 7V ~ 40V 25kHz 96% No No - Dead Time Control 0°C ~ 70°C (TA) - - Surface Mount 14-SOIC
TL3842PG4

TL3842PG4

IC REG CTRLR BST FLYBK PWM 8-DIP

Texas Instruments

0 -
RFQ
TL3842PG4

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 97% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
TL3844PG4

TL3844PG4

IC REG CTRLR BST FLYBK PWM 8-DIP

Texas Instruments

0 -
RFQ
TL3844PG4

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward 1 1 10V ~ 30V Up to 500kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) - - Through Hole 8-PDIP
TL3845PG4

TL3845PG4

IC REG CTRLR MULT TOPOLOGY 8DIP

Texas Instruments

0 -
RFQ
TL3845PG4

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Discontinued at Digi-Key Transistor Driver Step-Up, Step-Up/Step-Down Positive Boost, Flyback, Forward Converter 1 1 7.6V ~ 30V 100kHz 48% No No - Frequency Control 0°C ~ 70°C (TA) Automotive AEC-Q100 Through Hole 8-PDIP
UC2845NG

UC2845NG

IC REG CTRLR BOOST/FLYBACK 8DIP

onsemi

0 -
RFQ
UC2845NG

Datasheet

- 8-DIP (0.300", 7.62mm) Tube Obsolete Transistor Driver Step-Up, Step-Up/Step-Down Positive, Isolation Capable Boost, Flyback 1 1 7.6V ~ 30V Up to 500kHz 48% No No - Frequency Control -25°C ~ 85°C (TA) - - Through Hole 8-PDIP
XC9220A095MR-G

XC9220A095MR-G

16V INPUT STEP-DOWN DCDC CONTROL

Torex Semiconductor Ltd

0 -
RFQ
XC9220A095MR-G

Datasheet

XC9220 SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.8V ~ 16V 500kHz 100% No No - Enable, Soft Start -40°C ~ 85°C (TA) - - Surface Mount SOT-25-5
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