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S-8521C28MC-BTNT2G
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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 ~ 10V
- Frequency - Switching：60kHz
- 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
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Overview
The S-8521C28MC-BTNT2G is a synchronous buck DC-DC switching regulator controller manufactured by ABLIC Inc. It operates within an input voltage range of 2.5V to 10V and delivers a fixed output of 2.8V at up to 1A. The device features a 60kHz switching frequency, 100% maximum duty cycle, and enable control functionality. It is housed in a compact SOT-23-5 package and supports surface mount installation. The component is rated for an operating temperature range of -40°C to +85°C.
Feature Summary
- Synchronous buck topology with integrated transistor driver outputs
- Fixed positive output configuration for stable power delivery
- Enable pin support for system power management control
Applications
- Portable electronic devices requiring efficient step-down regulation
- Embedded systems utilizing low-voltage logic interfaces
- Battery-powered equipment needing extended operational life
Procurement Notes
Verify the specific suffix 'BTNT2G' against the manufacturer's current datasheet to confirm package type and tape/reel specifications. Ensure the fixed 2.8V output aligns with your circuit design requirements before ordering. Confirm RoHS compliance status and check for any recent product change notices that may affect availability or marking.
Selection Notes
Select this component when a fixed 2.8V output is required from a 2.5V to 10V input source. The 1A current capability suits moderate load applications. Consider the 60kHz frequency for balancing efficiency and external component size. Verify thermal performance within the -40°C to +85°C range for your specific enclosure environment.
Part Context
This part belongs to the S-8521 series of synchronous buck controllers from ABLIC Inc. The series is designed for high-efficiency power conversion in space-constrained applications. The S-8521 family typically offers fixed output options to simplify design implementation while maintaining robust performance standards for industrial and consumer electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's official cross-reference guide for compatible alternatives.
