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S-8521F55MC-BQOT2U
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Product Detailed Parameters
- Description：IC REG CTRLR BUCK SOT23-5
- Series：-
- Mfr：ABLIC Inc.
- Package：Tape & Reel (TR)
- Output Type：Transistor Driver
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：1
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：2.5V ~ 16V
- Frequency - Switching：300kHz
- Duty Cycle (Max)：100%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5
- Grade：-
- Qualification：-
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Overview
The S-8521F55MC-BQOT2U is a positive output step-down buck regulator IC manufactured by ABLIC Inc. It operates as a DC-DC switching controller with a fixed switching frequency of 300kHz. The device supports an input voltage range from 2.5V to 16V and is housed in a compact SOT-23-5 package. Designed for efficient power management, it functions as a transistor driver within the S-8521 series.
Feature Summary
- Positive output step-down buck regulation topology
- Integrated transistor driver capability
- Fixed 300kHz switching frequency operation
Applications
- General purpose DC-DC conversion
- Battery-powered portable electronics
- Embedded system power supplies
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and specific lot traceability requirements before procurement. Ensure storage conditions align with semiconductor handling standards to maintain device integrity upon receipt.
Selection Notes
Select this component when a fixed-frequency buck controller is required for input voltages up to 16V. The SOT-23-5 package suits space-constrained designs. Verify that external passive components meet the electrical specifications required for stable 300kHz operation and desired output regulation.
Part Context
This part belongs to the ABLIC S-8521 series of switching controllers. It shares functional similarities with other models in the family but is distinguished by its specific input voltage range and fixed switching frequency characteristics. It serves as a core power management element in modern electronic systems.
Replacement Considerations
S-8521F55MC-BQOT2U
FAQ
What is the maximum input voltage for this regulator?
The maximum input voltage supported by the S-8521F55MC-BQOT2U is 16V.
Does this IC include an internal switch?
No, it is a switching controller that requires an external transistor driver.
