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-8521D20MC-BXFT2U

S-8521D20MC-BXFT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D20MC-BXFT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D21MC-BXGT2U

S-8521D21MC-BXGT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D21MC-BXGT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D22MC-BXHT2U

S-8521D22MC-BXHT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D22MC-BXHT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D25MC-BXKT2U

S-8521D25MC-BXKT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D25MC-BXKT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D27MC-BXMT2U

S-8521D27MC-BXMT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D27MC-BXMT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D28MC-BXNT2U

S-8521D28MC-BXNT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D28MC-BXNT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D29MC-BXOT2U

S-8521D29MC-BXOT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D29MC-BXOT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D30MC-BXPT2U

S-8521D30MC-BXPT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D30MC-BXPT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D33MC-BXST2U

S-8521D33MC-BXST2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D33MC-BXST2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D35MC-BXUT2U

S-8521D35MC-BXUT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D35MC-BXUT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D36MC-BXVT2U

S-8521D36MC-BXVT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D36MC-BXVT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D40MC-BXZT2U

S-8521D40MC-BXZT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D40MC-BXZT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D45MC-BYET2U

S-8521D45MC-BYET2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D45MC-BYET2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D50MC-BYJT2U

S-8521D50MC-BYJT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D50MC-BYJT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D52MC-BYLT2G

S-8521D52MC-BYLT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D52MC-BYLT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D52MC-BYLT2U

S-8521D52MC-BYLT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D52MC-BYLT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521D55MC-BYOT2U

S-8521D55MC-BYOT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521D55MC-BYOT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 60kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521E15MC-BLAT2U

S-8521E15MC-BLAT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521E15MC-BLAT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521E16MC-BLBT2U

S-8521E16MC-BLBT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521E16MC-BLBT2U

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Active Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 300kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521E17MC-BLCT2U

S-8521E17MC-BLCT2U

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521E17MC-BLCT2U

Datasheet

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