Texas Instruments

TLV4170IDR

The TLV4170IDR is a high-precision, low-dropout (LDO) linear voltage regulator manufactured by Texas Instruments. This device is designed to provide a stable and accurate output voltage to power sensitive electronic circuits. Here is a detailed description of the TLV4170IDR, including its features and applications:

Description:

The TLV4170IDR is a low-dropout linear voltage regulator with an input voltage range of 2.5V to 5.5V and an output voltage range of 0.9V to 5.1V. It is available in a small SOT-23 package, making it suitable for space-constrained applications. The device features a quiescent current of only 5.5µA, which helps to minimize power consumption in battery-powered systems.

Features:

1. High-precision output voltage: The TLV4170IDR offers an output voltage accuracy of ±1%, ensuring stable and reliable power supply to sensitive electronic circuits.
2. Low dropout voltage: The device has a low dropout voltage of 300mV at a 1A load, allowing it to maintain a stable output voltage even with a small input-to-output voltage difference.
3. Low quiescent current: The TLV4170IDR consumes only 5.5µA in normal operation, which is ideal for battery-powered applications where power consumption is critical.
4. Small package size: The SOT-23 package allows for easy integration into compact electronic designs.
5. Wide input voltage range: The device can accept input voltages from 2.5V to 5.5V, making it suitable for a variety of power supply scenarios.
6. Enable and shutdown functionality: The TLV4170IDR features an enable pin that allows for easy control of the regulator's operation. Additionally, the device can be put into a low-power shutdown mode to further conserve power.
7. Overcurrent and thermal protection: The device includes built-in protection features to safeguard against overcurrent conditions and excessive temperatures.

Applications:

1. Portable electronics: The low quiescent current and small package size make the TLV4170IDR ideal for use in battery-powered devices such as smartphones, tablets, and wearable electronics.
2. IoT devices: The high-precision output voltage and low power consumption make it suitable for powering sensors and microcontrollers in Internet of Things (IoT) applications.
3. Medical devices: The stable output voltage and low-dropout characteristics are essential for powering sensitive electronic circuits in medical equipment.
4. Industrial control systems: The TLV4170IDR can be used to provide a stable power supply to microcontrollers and other electronic components in industrial control systems.
5. Automotive electronics: The device's ability to operate over a wide input voltage range and provide a stable output voltage makes it suitable for automotive applications, such as infotainment systems and sensor power supplies.

In summary, the TLV4170IDR is a high-precision, low-dropout linear voltage regulator with features that make it suitable for a wide range of applications, particularly those where low power consumption and stable output voltage are critical.