AP7340-12FS4-7

Current - Output:	150mA
Supplier Device Package:	X2-DFN1010-4
Package / Case:	4-XDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current
Control Features:	Enable
PSRR:	75dB (1kHz)
Current - Supply (Max):	100µA
Current - Quiescent (Iq):	50µA
Series:	--
Voltage Dropout (Max):	0.62V @ 150mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	5.25V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

AP7340-12FS4-7 is a voltage regulator, as one of Power Management Integrated Circuit (PMIC) and Linear Voltage Regulator (LVR). Although it has a variety of applications, the most common one is widely used in controlling and regulating the supply of power to a particular electronic device. It is widely used in electronic systems and embedded systems, such as smartphones and tablets, due to its high efficiency and stability.

Basic specifications

The AP7340-12FS4-7 is a 3-terminal adjustable voltage regulator, and its main chip is PMIC and LVR. It is a positive voltage regulator in power supply. The basic operating temperature of this device is from -40°C to +85°C, and its maximum operating voltage is 12V. Its maximum power dissipation is 655mW and its quiescent current is about 2mA at 0.1V output voltage.The output voltage is adjustable by using a single resistive voltage divider, which can provide a 1.2V to 11V output voltage range. It also has an adjustable output current, which can be up to 1A.

Application field and working principle

The AP7340-12FS4-7 is commonly used in controlling and regulating the supply of power to electronic devices, especially in electronic systems and embedded systems. It is often used in power management of mobile phones, tablets and other electronic equipment.The working principle of AP7340-12FS4-7 is based on the Voltage Regulation Theory, which includes output voltage control, current control and overload protection. It uses a simple resistor divider to adjust the output voltage of the device and can provide high power and current stability.For example, when a reasonable combination of resistors is used for input voltage and output voltage, the output voltage is adjusted by controlling the input voltage. This means that a change in the input voltage will cause a change in the output voltage.In case of overload protection, if the output current is overloaded, the output voltage will drop, and the device will enter the protection state, which will work to protect the chip from being damaged.

Conclusion

In conclusion, the AP7340-12FS4-7 is a power management integrated circuit (PMIC) and linear voltage regulator (LVR) that is designed to regulate the supply of power to electronic devices. It has a wide operating temperature range, adjustable output voltage and current, as well as overload protection. It is commonly used in mobile phones, embedded systems and Internet of Things (IoT) applications to provide stable power supply.

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