TLV75740PDRVR Datasheet/PDFTLV75740PDRVR Application Field and Working Principle
The TLV75740PDRVR is a linear regulator that provides best-in-class performance and superior flexibility in power supply design and power management applications. It is a dual-channel, low-voltage, high-efficiency, 5V-12V output regulator with a typical efficiency of 85%. It supports 3.3V, 5V and 12V input configuration, and supports 5V, 7V and 10V output configuration.
The TLV75740PDRVR features a dedicated high-side MOSfet, providing higher power efficiency than lower power solutions. This MOSfet eliminates the need for external drivers and reduces board complexity, reduces power dissipation and cost, and simplifies designs. It also features a wide input voltage range, adjustable output voltage range and short-circuit protection. Additionally, it offers tight line and load regulation, low noise and low Rds(on) at high frequencies.
Application Field
The TLV75740PDRVR is ideal for powering a wide range of high performance applications such as industrial, communications, automotive, consumer, medical and renewable energy systems. It can meet the requirements of a variety of industries due to its excellent line and load regulation, wide input voltage range and wide output voltage range. This makes it well suited for applications such as digital power supplies, micro-controllers and motor control systems.
Working Principle
The TLV75740PDRVR operates on a simple fixed voltage regulator topology. It uses a regulated MOSFET switch and a regulated current source to provide an easily adjustable fixed voltage output. The current source is regulated by an external resistor and capacitor. The gate of the MOSFET is constantly driven with a drive signal from the controller. The frequency of the drive signal is also determined by the external resistor and capacitor. The voltage output of the regulator is determined by the voltage drop across the MOSFET and the ripple voltage on the output.
The output of the regulator is then regulated by regulating the drive signal to the MOSFET by the controller. When the output voltage drops below the reference voltage, the controller will send out more drive pulses to the MOSFET, increasing its gate voltage and thereby increasing the output voltage. Conversely, when the output voltage rises above the reference voltage, the controller will send out fewer drive pulses to the MOSFET, decreasing its gate voltage and thereby decreasing the output voltage.
The TLV75740PDRVR also features dynamic response technology which ensures tight line and load regulation. This prevents the line and load regulation from degrading when the load or input voltage changes. It also features a temperature compensation circuit which ensures that the output voltage is stable over a wide temperature range.
Conclusion
The TLV75740PDRVR is an ideal solution for a wide range of applications due to its excellent line and load regulation, wide input voltage range, wide output voltage range, short-circuit protection and efficient operation. It is also easy to adjust and install, making it an attractive option for a variety of power supply design and power management applications.