AP7361C-18ER-13

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The AP7361C-18ER-13 is a Positive Adjustable Fixed Voltage Linear Regulator from Diodes Incorporated. It is a low drop-out (LDO) regulator and a highly accurate one at that. It provides a very low total output voltage error (TOV), ±1%, to ensure the stability of power supplies over temperature and line variations. This device offers excellent line regulation, load regulation and thermal stability, with a low output voltage noise. It features a 4-terminal configuration that allows easier PCB layout and reduces voltage drop compared to the standard 3-terminal configuration. This device features an enable/disable function and thermal shutdown protection.

AP7361C-18ER-13 Features

• Wide 8V to 36V Input Voltage Range
• High Accuracy ±1%
• Low Dropout (LDO) 75mV at 1A
• Low Output Voltage Noise 5mVpp
• Enable/Disable Function
• Thermal Shutdown Protection
• Input Under-Voltage Lockout Guarding Against Input Transients
• Very Low quiescent current of 50µA

The AP7361C-18ER-13 can provide up to 1A of output current, making it suitable for a wide variety of applications, such as USB and networking devices, digital audio systems, battery-powered systems and other system power supplies that require precision performance and low power consumption. In addition, this device is designed to be used with ceramic capacitors so that it can be used in space-constrained applications.

AP7361C-18ER-13 Application Field

The AP7361C-18ER-13 is suitable for a wide variety of applications, such as USB and networking devices, digital audio systems, battery-powered systems, automotive infotainment systems, and portable electronic devices. Its high precision and low dropout characteristics make it particularly suitable for system power supplies that require a high degree of accuracy and low power consumption. It is also suitable for fast transient response and low output voltage noise.

AP7361C-18ER-13 Working Principle

The AP7361C-18ER-13 is a low-dropout voltage regulator that utilizes an ultra-precise internal reference source and bi-directional error amplifier to deliver high accuracy and low dropout. The device features an enable/disable pin and thermal shutdown to protect the device from overheating. The enable/disable pin can be used to put the device in active or standby mode while the thermal shutdown puts the device in a low current state if it overheats.

The AP7361C-18ER-13 requires an input voltage between 8V and 36V and delivers a regulated output voltage in the range of 1.2V to 24V. The output voltage is set using two external resistors for a simple, precise setting. The device also features a low quiescent current of up to 50µA, making it suitable for battery applications.

The AP7361C-18ER-13 also features excellent line and load regulation, making it suitable for applications that require precise output voltages over line and load variations. It also features a very low output voltage noise of 5mVpp and can provide up to 1A of output current.

Conclusion

The AP7361C-18ER-13 is a high-precision, low-dropout linear voltage regulator from Diodes Incorporated. It is designed to be used with ceramic capacitors and features an enable/disable function and thermal shutdown protection. The device offers a wide 8V to 36V input voltage range, a low dropout of only 75mV at 1A, and excellent line and load regulation performance. It also features a low output voltage noise of 5mVpp and is suitable for a wide range of applications, such as USB and networking devices, digital audio systems, battery-powered systems, and other system power supplies.

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