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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：260kHz
- 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 CS51411GD8G is a synchronous step-down DC-DC converter IC designed for automotive applications. It operates with an input voltage range of 4.5V to 40V and provides a single adjustable output from 1.27V to 38V at up to 1.5A. The device integrates high-side and low-side power MOSFETs, enabling efficient regulation in compact designs. It utilizes a fixed 260kHz switching frequency and features thermal shutdown protection. Packaged in an 8-SOIC (3.90mm wide) tube, it supports junction temperatures from -40°C to 150°C.
Feature Summary
- Integrated synchronous rectification for improved efficiency
- Automotive-grade reliability with extended temperature range
- Built-in thermal shutdown protection
Applications
- Automotive infotainment systems
- Telematics control units
- Body electronics modules
Procurement Notes
Verify the complete part number including suffixes such as GD8G against official onsemi documentation. Confirm RoHS compliance status and specific packaging configurations directly with authorized distributors or the manufacturer. Ensure compatibility with automotive qualification standards required for your specific application environment before finalizing procurement decisions.
Selection Notes
Select this component when designing automotive power supplies requiring a wide input voltage range and integrated synchronous rectification. It is suitable for applications needing a single adjustable output within the specified voltage limits. Consider the SOIC package size and thermal performance relative to your board layout constraints and ambient operating conditions.
Part Context
This device belongs to the CS51411 family of synchronous buck converters. It shares functional similarities with other automotive PMICs but is distinguished by its specific input/output ranges and integrated power stage. The family targets robust power management solutions for harsh automotive environments, offering a balance of performance and integration level compared to discrete solutions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source material. Consult onsemi technical support or authorized distributors for verified alternatives if this specific variant is unavailable.
