TLE42712SAKSA1

PMIC - Voltage Regulators - Linear

The TLE42712SAKSA1 is a linear voltage regulator specifically designed to provide voltage regulation of high quality, meeting most requirements of modern, sophisticated electronic systems. This device is a dual-channel, low-dropout (LDO), linear voltage regulator which gives incredibly high accuracy, allowing voltage tolerances as small as ±1 mV. It is perfect for applications such as power management, energy monitoring and industrial automation, where precise voltages must be regulated and where density and low power dissipation are important. The IC also features ultra-low noise operation, shutdown modes, and adjustable/fixed output voltages.

Features

• Supply voltage (VDD): 2.5V to 5.5V
• Adjustable voltage regulator
• Programmable current limit
• Programmable soft start
• Power down mode
• Ultra-low noise operation
• Excellent power supply rejection
• Power supply current up to 250mA per channel
• Low dropout voltage (LDO)
• Output voltage accuracy ±1 mV
• Temperature range –40 °C to +125 °C

Applications

• Power management
• Energy monitoring
• Industrial automation
• Portable and handheld systems
• Automotive electronics

Working Principle

The TLE42712SAKSA1 works by regulating the output voltage using a combination of current limiting, voltage regulation and error-amplifier circuitry. The reference voltage is applied to an input terminal and the voltage error amplifier compares it with the output voltage. A feedback loop adjusts the voltage in the output terminal by adjusting the current limit and the voltage regulator setting to maintain the output voltage. The device also features an adjustable soft start which slows the voltage rising rate of the output on power up, this prevents large current surges from being generated when the IC starts up.

The TLE42712SAKSA1 requires a minimum input voltage of 2.5V and a maximum input voltage of 5.5V. The maximum output current that this device can supply is 250mA per channel, with an output voltage accuracy of ±1 mV. The device\'s power down mode can be used to reduce power consumption when the device is not being used. The IC also features a programmable current limit, enabling current-limited operation which helps to protect the device and the system from being damaged due to output shorts and overloads.

The TLE42712SAKSA1 also features ultra-low noise operation as well as excellent power supply rejection, which means that the device is able to reject power supply noise, making it ideal for noise-sensitive applications. Additionally, the device has a temperature range of –40°C to +125°C, providing reliable operation over a wide temperature range.

The TLE42712SAKSA1 is a powerful and versatile linear voltage regulator. Its features, such as adjustable voltage regulator, adjustable current limit, programmable soft start, power down mode and ultra-low noise operation make it ideal for applications where precision and low noise are of great importance. The device is also capable of supplying up to 250mA of output current and has a wide temperature range, making it perfect for a variety of applications, such as portable and handheld systems, automotive electronics and industrial automation.