Overview of the L4925 Voltage Regulator
The L4925 is a monolithic integrated circuit designed primarily for microcomputer controlled systems, with a focus on applications in the automotive industry. It stands out due to its ability to maintain a very low dropout voltage and its assortment of additional protective and functional features.
Key Features
The datasheet highlights several key features of the L4925 voltage regulator:
- Operating DC Supply Voltage Range: 6 V to 28 V, with the ability to handle transient supply voltages up to 40 V.
- Quiescent Current: The L4925 has an extremely low quiescent current, reducing energy consumption when in a standby mode.
- Precision Output Voltage: It delivers a high precision 5 V output, essential for sensitive electronic components.
- Output Current: Capable of supplying an output current up to 500 mA.
- Very Low Dropout Voltage: The dropout voltage is <0.6 V, allowing for operation closer to the supply voltage.
- Integrated Reset Circuit: Features a reset circuit that monitors the output voltage, which is critical for ensuring system stability.
- Programmable Reset Pulse Delay: Users can set the reset pulse delay time with an external capacitor, offering flexibility in various applications.
- Protection Mechanisms: Includes thermal shutdown and short-circuit protections to safeguard against operational anomalies.
Packaging and Ordering Information
The L4925 voltage regulator is available in a PowerSO-20 package. For bulk orders, it can be ordered using the code L4925PD for tube packaging or L4925PDO13TR for tape and reel.
Datasheet Contents
The datasheet provides comprehensive information, including block and pin connection diagrams, thermal data, electrical specifications (both absolute maximum ratings and electrical characteristics), a functional description of the voltage regulator and the reset circuit, and application information covering supply voltage transients and application circuits. Detailed package information and a revision history are also provided, ensuring that users have access to the most current and relevant data.
Targeted Applications
Given the L4925 voltage regulator’s robust feature set and low dropout performance, it is especially well-suited for use in the automotive sector, where reliable voltage regulation is critical for microcomputer systems. The combination of high precision output, current capability, and protective features make it a versatile choice for designers looking to enhance system reliability and performance.
This summary provides an efficient overview of the L4925 voltage regulator’s capabilities and applications as outlined in the first two pages of its datasheet, which was released in September 2013 under Document ID 1770, Revision 8.
References:
Chat: Powered By VoiceSphere
Pricing & Distributors: https://www.datasheets360.com/part/detail/l4925pd/-3722733135364114901/
