ZMR250C

Current - Output:	50mA
Base Part Number:	ZMR250
Supplier Device Package:	TO-92-3
Package / Case:	TO-226-3, TO-92-3 (TO-226AA)
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	75dB (120Hz)
Current - Quiescent (Iq):	40µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	22.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Bulk

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Introduction
The ZMR250C is a high-efficiency, low-noise power management integrated circuit (PMIC) designed for use in a wide range of voltage regulation applications. The ZMR250C provides ± 1.0% output accuracy, wide temperature range performance, fast transient response (trr), and low dropout (LDO) and low-BIAS operation. It also provides a wide input voltage range and output voltage range, making it very suitable for use in critical voltage regulation applications such as communications, automotive, industrial, computer systems, and power systems. The ZMR250C is also highly reliable and can withstand very high-temperature operation conditions up to 200°C.

Applications
The ZMR250C is suitable for a variety of voltage regulation applications including AC/DC converters, DC/DC converters, linear regulators, switching regulators, and other voltage regulators. It can be used for both input and output voltage regulation, and is particularly useful for high power/high current applications. Due to its wide operating temperature range, the ZMR250C is also suitable for use in harsh industrial, automotive, and avionics environments. Additionally, the ZMR250C is an excellent choice for general-purpose low-noise power supply applications and power sequencing design solutions.

Working Principle
The ZMR250C uses a current-mode topology to control voltage and current waveforms. This type of circuit allows the PMIC to be extremely efficient, as it compensates for any errors in output voltage feedback due to load changes. The current-mode feedback enables the ZMR250C to dynamically adjust the output voltage, ensuring that it remains stable under varying loads. Additionally, the ZMR250C offers the lowest dropout voltage of any commercial IC and can deliver up to 2.5A of continuous current without any external components.The output frequency of the ZMR250C is also adjustable, making it possible for the user to control the switching frequency based on their unique application requirements. This allows for optimization of power efficiency and noise level, making the ZMR250C a suitable choice for applications demanding high performance and efficiency. Finally, the ZMR250C is equipped with internal protection features including overtemperature, overvoltage, and overcurrent protection, making it a viable solution for automotive and power supply design.

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