MIC5209-4.2YS-TR Integrated Circuits (ICs)

Current - Output:	500mA
Base Part Number:	MIC5209
Supplier Device Package:	SOT-223
Package / Case:	TO-261-4, TO-261AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	--
PSRR:	75dB (120Hz)
Current - Supply (Max):	25mA
Current - Quiescent (Iq):	170µA
Series:	--
Voltage Dropout (Max):	0.6V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	4.2V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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MIC5209-4.2YS-TR is a member of a family of fast response low-dropout regulators (LDOs) designed for low noise, low current, and low-dropout applications. The regulator operates with a fixed 4.2V output voltage and offers very low dropout (just 17mV @ 100mA output current). It is capable of output currents up to 150mA and features excellent load and line transient characteristics.This regulator incorporates high PSRR, low output noise, and low quiescent current while maintaining a thermal stability over the entire applicable temperature range. The MIC5209-4.2YS-TR is available in a space-saving SOT-23-5L surface mount package, making it ideal for applications such as handheld devices, cell phones, digital cameras, and medical equipment that demand compact design and high efficiency.The MIC5209-4.2YS-TR is a two terminal adjustable low-dropout linear regulator that provides a regulated output voltage independent of input voltage and output current. It features a high accuracy 0.6% output voltage tolerance over the temperature range of -40°C to +85°C and includes output enable and voltage adjust functions.The MIC5209-4.2YS-TR operates over the input voltage range of 1.8V – 5.5V. It utilizes a P-channel MOSFET pass transistor and a proprietary internal architecture to ensure low noise, fast response, and excellent transient response. It achieves very low dropout voltage with no external components, making it ideal for battery powered applications.The MIC5209-4.2YS-TR includes several features to improve reliability and performance. Its proprietary internal architecture ensures minimum output voltage change during sudden load current changes. Its output enable pin makes it simple to control its output. Its short circuit protection prevents damage from unintended application of an output short. The use of an internal soft-start feature limits the inrush current to reduce output voltage transients.Overall, the MIC5209-4.2YS-TR is an excellent choice for low-dropout linear voltage regulation in a variety of applications. With its low dropout voltage, high accuracy output voltage tolerance, fast response, and low current consumption, this device can provide reliable, low-noise power for a wide range of applications.

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