AP2202K-3.0TRE1

Current - Output:	150mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Reverse Polarity
Control Features:	Enable
PSRR:	75dB (100Hz)
Current - Supply (Max):	2.5A
Current - Quiescent (Iq):	150µA
Series:	--
Voltage Dropout (Max):	0.35V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3V
Voltage - Input (Max):	13.2V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

AP2202K-3.0TRE1 voltage regulator is a highly efficient and low-power device. It uses a linear regulator topology and includes a minimum/maximum voltage protection, enabling it to be used in a wide variety of applications. This article will provide a detailed overview of AP2202K-3.0TRE1’s application fields and working principle.

Application fields of the AP2202K-3.0TRE1

AP2202K-3.0TRE1 voltage regulator is mainly used for systems requiring low starting current and high efficiency, such as microprocessor, mobile phone, and IoT device. Its current-mode operation provides higher starting current and lower dropout voltage compared to other linear regulators, which is perfect for powering low-power devices.The AP2202K-3.0TRE1 can also be used in other applications. Its wide voltage range and adjustable output voltage, combined with its small size, make it the ideal choice for space constraint, low-noise applications such as automotive, medical, industrial, and consumer systems requiring low power consumption and high reliability.

Working principle of the AP2202K-3.0TRE1

The AP2202K-3.0TRE1 is a linear voltage regulator, combining a current-mode regulation system with a reference voltage. The regulator consists of a voltage reference, an error amplifier, an output stage, and a current limit circuit. The voltage reference generates the reference voltage, which is the reference point of the output voltage. The error amplifier controls the output voltage by comparing the reference voltage with the voltage of an external feedback voltage divider.The output stage of the regulator consists of three bipolar transistors and operates in current-mode. This means that the output voltage is regulated by the current instead of the voltage. Thus, it is capable of providing a high output current with very little drop in output voltage. The current limit circuit ensures that the maximum output current is not exceeded.The AP2202K-3.0TRE1 also provides short-circuit protection and thermal shutdown, ensuring that it is protected from potential damage.

Conclusion

The AP2202K-3.0TRE1 is an extremely efficient and low-power linear voltage regulator. It provides a wide range of features such as adjustable output voltage and current-mode regulation, allowing it to be used in a variety of applications. Its small size and wide voltage range make it suitable for space constraint, low-noise applications such as automotive, medical, industrial, and consumer systems. Furthermore, it offers protection features such as short-circuit protection and thermal shutdown, providing high reliability for systems using the AP2202K-3.0TRE1.

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