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SCY991521CMUTAG
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Product Detailed Parameters
- Description：BUCK DCDC CONVERTER
- Series：*
- Mfr：onsemi
- Package：Bulk
- 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：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The SCY991521CMUTAG is a fixed frequency current mode DC-DC switching controller IC manufactured by onsemi. It is designed for high-efficiency power conversion applications, featuring integrated control logic for managing external power switches. The component operates within standard industrial temperature ranges and utilizes surface-mount packaging to facilitate automated assembly in compact power supply designs.
Feature Summary
- Fixed frequency current mode control architecture
- Integrated switching controller logic
- Surface-mount package configuration
Applications
- DC-DC converter modules
- Industrial power supplies
- Battery charging systems
Procurement Notes
Verify the complete part number including suffixes against official manufacturer documentation to ensure correct pinout and thermal specifications. Confirm that the specific variant matches the required operating voltage and current ratings for the target application circuit design.
Selection Notes
Select this controller for designs requiring fixed frequency operation with current mode control characteristics. Ensure compatibility with external MOSFETs or BJTs based on the drive requirements. Evaluate thermal management needs relative to the chosen package type and expected load conditions.
Part Context
This component belongs to onsemi's portfolio of discrete semiconductor products and power management solutions. It serves as a core control element in switch-mode power supply architectures, distinguishing itself through its specific current mode control methodology compared to voltage mode alternatives.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult official cross-reference guides or manufacturer engineering support for verified equivalent components.
