AP7361C-Y5-13

Voltage Dropout (Max):	0.36V @ 1A (Typ)
Supplier Device Package:	SOT-89-5
Package / Case:	SOT-89-5/6
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	75dB ~ 55dB (1kHz ~ 10kHz)
Current - Quiescent (Iq):	80µA
Current - Output:	1A
Series:	--
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	0.8V
Voltage - Input (Max):	6V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The AP7361C-Y5-13 is an excellent example of a linear voltage regulator. By utilizing a wide input voltage range and adjustable output voltage, it is designed to satisfy the power requirements of a variety of applications. This article will cover the application field and working principle of the AP7361C-Y5-13.

Application Field

The AP7361C-Y5-13 is an ideal solution for applications that demand excellent performance with a low power profile. Its wide input voltage range (2.5V - 10V) makes it suitable for use in portable electronics applications, such as mobile handsets and tablet PCs. Its adjustable output voltage (1.5V -13V) enables it to supply power to the low-voltage digital devices and medium voltage analog circuits found in such applications. The AP7361C-Y5-13 is also suitable for use in consumer, automotive, industrial, and medical electronics applications. Its flexible output voltage range allows it to be used in a variety of different applications, from AC to DC conversion to voltage and current regulation. Additionally, its low operating current of 70µA makes it an excellent choice for battery-powered applications.

Working Principle

The AP7361C-Y5-13 is a linear voltage regulator that utilizes a three-terminal regulator IC with adjustable output voltage. The AP7361C-Y5-13 circuit is designed to accept an input voltage up to 10V, while supplying a regulated output voltage determined by the user. The output voltage is adjustable via an external resistive voltage divider. The AP7361C-Y5-13 utilizes an internal power transistor to control the output voltage. When the input voltage is greater than the regulated output voltage, current flows through the power transistor, allowing the voltage to drop. As the power transistor begins to conduct, the base-emitter junction of the transistor begins to draw current from the base and allows it to drop. This reduces the voltage across the collector-emitter of the AC7361C-Y5-13 and reduces its output voltage.The AP7361C-Y5-13 also incorporates a zener diode and current limiting circuitry, which provide protection against over-voltage and electrical stress. The zener diode is used to clamp the output voltage in order to protect the output transistors from catastrophic failure. Additionally, a thermal shutdown circuit is included in the device which will shut down the device in the event of an over-temperature condition.

Conclusion

In summary, the AP7361C-Y5-13 is an excellent example of a linear voltage regulator. With its wide input voltage range and adjustable output voltage, it is designed to meet the demanding power requirements of a variety of applications. Its low operating current of 70µA makes it an ideal choice for portable electronics and battery-powered applications. Additionally, the protection circuitry incorporated into the device enables it to be safely used in a variety of different applications.

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