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-8521A50MC-AYJT2G

S-8521A50MC-AYJT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521A50MC-AYJT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 10V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B15MC-ATAT2G

S-8521B15MC-ATAT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B15MC-ATAT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B18MC-ATDT2G

S-8521B18MC-ATDT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B18MC-ATDT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B19MC-ATET2G

S-8521B19MC-ATET2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B19MC-ATET2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B20MC-ATFT2G

S-8521B20MC-ATFT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B20MC-ATFT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B21MC-ATGT2G

S-8521B21MC-ATGT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B21MC-ATGT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B23MC-ATIT2G

S-8521B23MC-ATIT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B23MC-ATIT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B25MC-ATKT2G

S-8521B25MC-ATKT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B25MC-ATKT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B26MC-ATLT2G

S-8521B26MC-ATLT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B26MC-ATLT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B27MC-ATMT2G

S-8521B27MC-ATMT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B27MC-ATMT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B28MC-ATNT2G

S-8521B28MC-ATNT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B28MC-ATNT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B29MC-ATOT2G

S-8521B29MC-ATOT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B29MC-ATOT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B30MC-ATPT2G

S-8521B30MC-ATPT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B30MC-ATPT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B31MC-ATQT2G

S-8521B31MC-ATQT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B31MC-ATQT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B32MC-ATRT2G

S-8521B32MC-ATRT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B32MC-ATRT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B33MC-ATST2G

S-8521B33MC-ATST2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B33MC-ATST2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B34MC-ATTT2G

S-8521B34MC-ATTT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B34MC-ATTT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B35MC-ATUT2G

S-8521B35MC-ATUT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B35MC-ATUT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B36MC-ATVT2G

S-8521B36MC-ATVT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B36MC-ATVT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
S-8521B40MC-ATZT2G

S-8521B40MC-ATZT2G

IC REG CTRLR BUCK SOT23-5

ABLIC Inc.

0 -
RFQ
S-8521B40MC-ATZT2G

Datasheet

- SC-74A, SOT-753 Tape & Reel (TR) Not For New Designs Transistor Driver Step-Down Positive Buck 1 1 2.5V ~ 16V 180kHz 100% No No - Enable -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
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