SPX2954AS-L-5-0/TR

PMIC - Voltage Regulators - Linear

The SPX2954AS-L-5-0/TR is a Linear Voltage Regulator (LVR) specifically designed for consumer applications and encompasses a variety of features such as low dropout, low noise and wide input voltage range. It is an ideal solution for SMPS and AC/DC converters and is available in a variety of packages.

The voltage regulator’s main function is to regulate the output voltage and current to a designated value regardless of variations in input voltage, current and load. The SPX2954AS-L-5-0/TR is particularly well suited to consumer applications, such as the protection of batteries, since it provides high performance and stability.

Application Field

The SPX 2954AS-L-5-0/TR Linear Voltage Regulator is suitable for applications such as SMPS, AC/DC and DC/DC converters, and is used in consumer products such as LED drivers, microwaves, motor controllers, and more. Additionally, the low voltage drop and wide input voltage range makes it highly durable compared to other voltage regulators, making it the optimal choice in harsh environmental conditions with higher voltages.

Working Principle

The regulator works by utilizing two transistors or two MOSFETs. One is used as a pass device, while the other is used to control the output current. The pass device is switched on when the feedback signal is greater than the preset voltage value. When the feedback signal is less than the preset value, the pass device is switched off. Consequently, the voltage output is regulated to the preset value.

The voltage regulator has two main parameters, the input voltage and the output current. It works by determining the input voltage and output current, allowing the design of custom voltage and current values for each particular application. It also helps in the design of power management systems for various applications as it allows for precise control of the output voltage and current values.

The SPX 2954AS-L-5-0/TR Linear Voltage Regulator also has advanced features such as load-protection, thermal protection and over-voltage protection. The load-protection feature enables the unit to protect itself from overloading; the thermal protection feature prevents the unit from overheating due to excessive current; and the over-voltage protection feature safeguards the unit from high voltages which could potentially damage the chip.

In conclusion, the SPX 2954AS-L-5-0/TR Linear Voltage Regulator is a powerful and reliable voltage regulator which offers excellent performance, low noise and wide temperature range. Furthermore, its excellent stability and wide input voltage range makes it an ideal choice for SMPS and AC/DC converters, LED drivers and other consumer applications.