LT1764AEQ#TRPBF

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LT1764AEQ#TRPBF is a fixed output low-dropout linear voltage regulator with a broad 6V to 37V input voltage range. It is designed for powering low output current of a few hundred milliamps and up to 2A in ambient temperatures up to 145°C. This device is well suited for applications with a medium to low speed transient response requirements.

The LT1764AEQ#TRPBF application field includes general-purpose low-power systems, industrial controls, instrumentation and measurement, medical equipment, automotive and military applications, automotive power supply and other demanding systems that require voltage regulation, thermal protection and high accuracy with fast response.

Operational Principle

The LT1764AEQ#TRPBF is a monolithic linear voltage regulator that is designed to operate from a single supply. It consists of a voltage reference, line-controlled series pass transistor, current-limit protection and thermal protection. The series pass transistor regulates the output voltage by sensing the voltage at the output and driven the transistor to make the voltage drop across it, equal to a stable reference voltage. The voltage drop is set by the reference voltage using a resistor divider connected to the adjustable reference input. The LT1764AEQ#TRPBF also includes short-circuit protection, over-current protection and thermal shutdown protection.

The monolithic architecture ensures low-voltage tracking across a wide input range. The output voltage may be adjusted by the value of resistors used on the output voltage divider. Also, the reference voltage can be adjusted to guarantee precise regulation across the entire load range.

The LT1764AEQ#TRPBF is particularly suitable for applications operating with low current power draw. It is capable of delivering up to 2A output current at an adjustable output voltage. It operates efficiently and with low power dissipation. This linear voltage regulator allows for a fast transient response time, helping to reduce the risk of damage from unexpected power surges, or powering of large loads requiring an immediate power boost.

The robust design of the LT1764AEQ#TRPBF is engineered for harsh environmental conditions, ensuring reliable performance. This voltage regulator has built-in thermal protection, and an extensive range of protection features for stress-free operation, including input transient protection, output just-in-time sequencing, over-current protection, and over-voltage protection.

In Summary

The LT1764AEQ#TRPBF is a micropower low-dropout linear voltage regulator with a wide 6V to 37V input voltage range. Its application field includes general-purpose low-power systems, medical equipment, automotive and military applications and other demanding systems that require voltage regulation, thermal protection, and high accuracy with fast transient response time. It is designed for medium to low speed transient response requirements and is capable of delivering up to 2A output current at an adjustable output voltage. The robust design of the LT1764AEQ#TRPBF is engineered for harsh environmental conditions, making it an ideal choice for challenging applications.

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