LT1129CS8#TRPBF

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LT1129CS8#TRPBF is a linear voltage regulator manufactured by Linear Technology. It is categorized under Power Management Integrated Circuits (PMICs) - Voltage Regulators - Linear. It is an 8-Pin plastic surface mount package and has an operating temperature range of -40 to +125 degrees Celsius. Its maximum power dissipation is 126mW.

The LT1129CS8#TRPBF was designed for a wide range of applications including general-purpose power supplies, isolated power supplies, instrumentation, computer products and peripherals, automotive systems and consumer electronics. It has a number of features that make it ideal for such applications, such as adjustable output voltage, low quiescent current, fast response time, and high output current capability.

The LT1129CS8#TRPBF utilizes an internal voltage reference to regulate an output voltage that can be adjusted from 1.25V to 32V. It has an internal circuit that maintains steady output voltage in the presence of input line and load transients. It is designed with current limiting, thermal limiting, and reverse battery protection circuitry, allowing it to provide improved system reliability and safety.

The LT1129CS8#TRPBF is designed to use either sheet resistance or external voltage feedback regulation to control the output voltage, depending on the application’s needs. The sheet resistance method is a low parts count implementation with no external components while the external voltage feedback method provides adjustable output voltage and improved load and line regulation.

The LT1129CS8#TRPBF is a monolithic integrated circuit that includes the necessary components to regulate voltage. This includes a voltage reference, an error amplifier, an output pass element, a comparator, and a pulse width modulator.

The LT1129CS8#TRPBF voltage reference provides a stable voltage reference for the error amplifier to regulate the output voltage. The error amplifier compares the output voltage to the reference voltage and sets the current or resistance of the pass element. The output pass element, either an N-channel MOSFET or P-channel MOSFET, is the active device that sets the output voltage. The output voltage is regulated by controlling the amount of current that passes through the pass element. The comparator signals the pulse width modulator, which turns the pass element on and off to achieve the desired output voltage.

In summary, the LT1129CS8#TRPBF is a linear voltage regulator with an adjustable output voltage range of 1.25V to 32V. It has features such as low quiescent current, fast response time, and high output current capability. It utilizes an internal voltage reference to regulate the output voltage and is designed with current limiting, thermal limiting, and reverse battery protection for improved system safety and reliability.

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