AP7215-33YG-13 Integrated Circuits (ICs)

Current - Output:	600mA
Base Part Number:	AP7215
Supplier Device Package:	SOT-89-3
Package / Case:	TO-243AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current
Control Features:	--
PSRR:	55dB (1kHz)
Current - Quiescent (Iq):	80µA
Series:	--
Voltage Dropout (Max):	0.25V @ 100mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

AP7215-33YG-13 is an 8-channel low-dropout linear regulator from Diodes Incorporated. It was designed for applications in single-cell battery-powered portable consumer electronics, such as smartphones, tablets and note-books, by providing a fixed 3.3V output. This regulator features low quiescent current, low dropout voltage, good line and load regulation, over-temperature and current protection, and other features that make it a great choice for low power, low noise applications. In this article, we will look at the application field and working principle of AP7215-33YG-13.

Applications

AP7215-33YG-13 low-dropout linear regulator is available in a Pb-Free, SOT-89-3 package. It is designed to provide a fixed 3.3V output from a wide range of input voltages between 2.7V and 5.5V. This makes it suitable for applications such as portable consumer electronics, smartphones, tablets, and note books. The low input-output voltage differential and low quiescent current makes it ideal for battery-powered applications that require low power consumption. It also features thermal shutdown, overtemperature protection, and current limiting, making it suitable for applications with high reliability requirements. Additionally, the low voltage operation ensures efficient operation in power-deficient areas. The 8-channel output allows it to provide power to multiple components.

Features

AP7215-33YG-13 offers many impressive features. It has low quiescent current of only 4.2 μA and dropout voltage of only 180mV at light loads of up to 100mA. It also has good line and load regulation of 0.2%/V Line regulation and 0.2%/mA Load regulation. The advanced low-power shutdown function enhances the power saving capability of this device. The device can shut down all the output channels with a single logic direct, reducing the quiescent current to a mere 4μA. The integrated over-temperature protection circuitry ensures the device will not be damaged when the junction temperature goes above +150°C. Finally, the wide operating temperature range of -40°C to 125°C allows it to be used in in a variety of harsh environments.

Working Principle

AP7215-33YG-13 is a low-dropout linear regulator. It works by controlling the output voltage using an adjustable reference voltage. The voltage reference is compared with the input voltage, and based on the difference, the series pass element is switched on or off to control the output voltage. The series pass element can be a field effect transistor (FET), bipolar transistor, or any other suitable switch. This type of regulator provides good stability over a wide range of input voltages and is well suited for low-noise and low-power applications. The other components in the circuit are mainly for protection such as current limiting or over-temperature protection.

Conclusion

AP7215-33YG-13 is a low-dropout linear regulator from Diodes Incorporated. It has many features such as low quiescent current, low dropout voltage, good line and load regulation, over-temperature and current protection. This device is ideal for single-cell battery-powered portable consumer electronics such as smartphones, tablets, and notebook computers. It works by controlling the output voltage using an adjustable reference voltage and is well suited for low-noise and low-power applications.

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