IRU1205-25CLTR

Voltage Dropout (Max):	0.4V @ 300mA
Base Part Number:	IRU1205-25CL
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	--
Current - Output:	300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The IRU1205-25CLTR is a Low Drop Out (LDO) voltage regulator with integrated power MOSFET devices for post-regulators. It is provided with features such as low quiescent current, low output voltage noise, and fast transient response, making it suitable for a vast array of applications.

Overview

The IRU1205-25CLTR is suitable for a wide range of voltage regulation requirements, including post-regulators with MOSFETs, bipolar transistor voltage regulators and power supplies with pre-regulation functions. It supports input voltages up to 25V and has an output voltage range of 0.25V to 5.0V.The IRU1205-25CLTR can easily provide a low ripple and noise output, with reduced quiescent current for power applications. It also features a wide range of features for high-performance voltage regulation, such as fast transient response, low output voltage noise, and standard bottom-sense compensation topology.

Applications

The IRU1205-25CLTR is well-suited for a wide range of applications such as post-regulators with MOSFETs, bipolar transistor voltage regulators and power supplies with pre-regulation functions.Examples of applications include:* Automotive systems* Telecommunications* Industrial motor drivers* Medical instruments* Portable devices* Battery-powered systems

Working Principle

The IRU1205-25CLTR is a Low Drop Out (LDO) integrated power MOSFET device specifically designed for post-regulation applications. It is provided with an LDO voltage regulation topology to support an output voltage range from 0.25V to 5.0V, and input voltages up to 25V.At the heart of the power transistor is a high-speed error amplifier that provides a fast transient response to ensure the output voltage is regulated to the desired level. To ensure that the maximum amount of power is transferred to the load, the device utilizes a bidirectional current-sense amplifier circuit that ensures that the voltage across the MOSFET is kept below its threshold. Built-in protection circuitry also prevents excess current from flowing.The device provides additional benefits such as soft start, adjustable power saving and thermal shutdown functions, as well as an enable pin, which allows the device to be turned on and off.

Conclusion

The IRU1205-25CLTR is a Low Drop Out (LDO) voltage regulator with integrated power MOSFET devices for post-regulation applications. It is capable of supporting input voltages up to 25V and has an output voltage range of 0.25V to 5.0V. It is suitable for a wide range of applications such as post-regulators, bipolar transistor voltage regulators and power supplies with pre-regulation functions, including automotive systems, telecommunications, industrial motor drivers, medical instruments, portable devices and battery-powered systems. The device features a high-speed error amplifier, a current-sense amplifier circuit and built-in protection circuitry to ensure optimal performance and reliability.

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