AP2125KS-2.5TRG1

Voltage Dropout (Max):	0.3V @ 300mA
Supplier Device Package:	SC-70-5
Package / Case:	5-TSSOP, SC-70-5, SOT-353
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	65dB (100Hz ~ 1kHz)
Current - Quiescent (Iq):	90µA
Current - Output:	300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	2.5V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

PMIC stands for Power Management Integrated Circuit and it is an important part of any electronic system. It provides a momentary supply of power to the system and thus stabilizes the system’s power flow, ultimately providing a reliable operation of the system. There are several kinds of PMICs, such as voltage regulators and linear regulators. One of the most important PMICs is the AP2125KS-2.5TRG1 linear regulator.

Application Field of AP2125KS-2.5TRG1

The AP2125KS-2.5TRG1 linear regulator is a low dropout linear regulator that has a very low quiescent current. Therefore, this type of linear regulator can be used in many types of applications such as battery-powered devices, automotive systems, and medical equipment. This type of linear regulator can also be used to provide a reliable output voltage in systems with transient and off-state supply, where the input voltage can vary a lot. Moreover, it can also be used to supply power to other electronic components such as actuators, sensors, and CPU.

Working Principle of AP2125KS-2.5TRG1

The AP2125KS-2.5TRG1 linear regulator works by regulating the output voltage of an input voltage. It has two control pins (Vin- and Vin+) and one output pin (Vout). The input voltage is supplied to Vin- pin, and the output voltage is regulated by comparing it to the reference voltage supplied to the Vin+ pin. The regulator compares these two voltages and sends the differential voltage to the output pin (Vout), adjusting the output voltage to the desired level.To ensure optimal operation, the different parameters of the AP2125KS-2.5TRG1 linear regulator must be adjusted properly before it is used in a system. For example, the output current must be set at the right level to make sure that the output voltage remains stable and within the desired range. Additionally, the power dissipation should not be excessive as it can lead to overheating and damage to the regulator.The AP2125KS-2.5TRG1 linear regulator has low shutdown current (less than 1uA) and consumes very small power (78mV typical) compared to other linear regulators in its class. It also has a wide input voltage range (3.7V to 18V), which makes it suitable for a variety of applications. Moreover, it has over-current and over-temperature protection to prevent faults and ensure reliable operation.

Conclusion

The AP2125KS-2.5TRG1 linear regulator is an ideal choice for a variety of applications where the output voltage must remain stable and within a certain range. It has low quiescent current and power consumption, and it also features reliable over-current and over-temperature protection. This makes it ideal for battery-powered devices, automotive systems, and medical equipment. You should always pay close attention to the different parameters of the regulator so that it can deliver reliable performance.

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