TS78L03CS RLG

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The TS78L03CS is a 3A, low dropout voltage regulator from Texas Instruments. This linear voltage regulator, sometimes referred to as a Low Voltage Linear Regulator (LVLR), utilizes an improved architecture, allowing for higher power conversion efficiency. The TS78L03CS is primarily used for applications in which low drop-out voltage is mandatory, such as control circuitry for high-power LED drivers, home automation devices and automotive-qualified systems. The device is also suitable for applications in which power improvement and thermal efficiency are indispensable.

Application Field

The TS78L03CS is designed to provide a low drop-out voltage, so it\'s suitable for automotive, industrial, communications and consumer applications. The device can be used in more demanding street lighting applications and smart control systems, controlling high-power LED drivers. In addition, it is a suitable replacement for 78L03 regulator in automotive systems.

Working Principle

The basic purpose of the TS78L03CS is to provide a regulated output voltage from a varying or an otherwise unstable input voltage. This is achieved by using a voltage drop principle. A voltage drop occurs across the device when it is subjected to an input voltage that is higher than its output voltage. This voltage drop is used to maintain the output voltage in a steady state. Thus, the higher the input voltage, the higher the voltage drop and the more stable the output voltage.

The TS78L03CS works by using low bridge current to reduce the input voltage so that it is lower than the regulator\'s output voltage. The device is designed to maintain a very low quiescent current, even during large load transients, thus achieving optimal efficiency and power dissipation. The low quiescent current of this device will also provide improved thermal performance.

In addition, the TS78L03CS has a built-in self-protection circuitry that protects against overvoltage, undervoltage, overcurrent, and thermal overloads. With its high ripple rejection, wide input voltage range and low quiescent current consumption, the TS78L03CS is ideal for a variety of applications such as automotive, industrial, communications and consumer products.

Conclusion

The TS78L03CS is a 3A low drop-out voltage regulator from Texas Instruments. This linear voltage regulator features an improved architecture, allowing for higher power conversion efficiency in applications that require low drop-out voltages. Its low quiescent current, wide input voltage range, high ripple rejection and self-protection circuitry makes the TS78L03CS a suitable choice for automotive, industrial, communications and consumer applications.

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