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Product Detailed Parameters
- Description：IC REG BUCK ADJ 1.5A 8SOIC
- Series：-
- Mfr：onsemi
- Package：Tube
- Function：Step-Down
- Output Configuration：Positive
- Topology：Buck
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：4.5V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：1.27V
- Voltage - Output (Max)：38V
- Current - Output：1.5A
- Frequency - Switching：520kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The CS51413ED8 is a synchronous buck switching regulator IC from onsemi, designed for efficient voltage conversion in low-voltage applications. It delivers a maximum output current of 1.5 A with an adjustable positive output voltage starting at 1.27 V. The device operates within an input voltage range of 2.7 V to 30 V and supports switching frequencies of 260 kHz or 520 kHz. It features external bias or synchronization capabilities and functions reliably across a junction temperature range of -40°C to 150°C. Packaged in an 8-SOIC format, it integrates internal protection mechanisms for robust performance.
Feature Summary
- Synchronous rectification architecture for enhanced efficiency
- Adjustable output voltage with precise regulation
- Supports external bias supply or synchronization inputs
- Integrated thermal and over-current protection
Applications
- Point-of-load (POL) voltage regulation
- Embedded systems power distribution
- Industrial control board power supplies
- Communication equipment DC-DC conversion
Procurement Notes
Verify component authenticity through authorized distributors. Confirm RoHS compliance status as historical data may vary. Check for obsolescence notices given the part's age. Ensure packaging matches design requirements. Validate datasheet revisions against current manufacturing standards.
Selection Notes
Select this regulator for applications requiring high efficiency in compact spaces. Consider the 8-SOIC package for standard PCB layouts. Evaluate thermal management needs due to high junction temperature ratings. Compare switching frequency options against EMI constraints. Verify input voltage compatibility with system rails.
Part Context
This component belongs to onsemi's family of low-voltage buck regulators. It shares architectural similarities with other parts in the series but offers specific current and frequency configurations. The technology leverages advanced CMOS processes for improved power density and reliability in modern electronic designs.
Replacement Considerations
Direct substitutes include CS51413ED8G. Verify pinout compatibility before integration. Review updated datasheets for any functional changes in newer revisions.
