AAT3200IGY-3.0-T1

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AAT3200IGY-3.0-T1 is a low dropout linear regulator from the Panasonic line of integrated-circuit voltage regulators. It is designed to provide a regulated voltage of 3.0V ±1% over full output current and temperature ranges. This regulator is capable of supplying up to 800mA of power continously and up to 2.5A peak. The integrated features of this voltage regulator provide improved performance over discrete solutions, allowing the system to realize higher performance levels with improved board space savings.

Application Field

The AAT3200IGY-3.0-T1 is ideal for a variety of applications including cellular phones and digital cameras, as well as handheld portable applications requiring low noise power and tight regulation. It is also an excellent choice for battery powered systems or situations where a voltage drop of less than 100mV is desired. The regulator can also be used in other types of applications that require a low dropout and low noise performance, such as medical instrumentation, audio amplifiers, power conditioning, or other industrial applications.

Features of AAT3200IGY-3.0-T1 Causing It to Be Unique:

• Very low dropout voltage (typical 100mV) allowing design of higher efficiency.
• Low noise with an ultra-low-noise option.
• Wide operating temperature range (−40°C to +125°C).
• Output current of up to 800mA.
• Low standby current when EN is low (typical 4µA).
• Tight output voltage accuracy of ±1% over full load, temperature, and line conditions.
• Vout tracking capability.
• Very fast transient response.

Working Principle

The AAT3200IGY-3.0-T1 utilizes a topology that is a combination of series and shunt regulator, which eliminates output voltage droop resulting from increased load current. A low-noise linear regulator provides high-peak current pulses without requiring an external capacitor. A wide range of input power supply is accepted.

The output voltage is regulated using a control amplifier and an external N-channel MOSFET. The control amplifier compares the error amplifier output voltage with the reference voltage and adjusts the gate voltage of the external MOSFET to regulate the output voltage. The enable pin allows the output voltage to be regulated or disabled, depending on the logic level applied to the pin.

The AAT3200IGY-3.0-T1 operates from a wide input voltage range from 2.0V to 5.5V and provides a well regulated output voltage of 3.0V ±1%. The output voltage tracking feature allows the device to closely track the output voltage of an upstream regulator when used on multiple power nodes.

The device comes in an 8-pin QFN package and has a maximum junction temperature of 125°C. It also has very low dropout voltage of typical 100mV, making it ideal for battery-powered applications and other low-dropout applications where a low noise performance is preferred. The device can supply up to 800mA of continuous current and features ultra-low standby current consumption of less than 4µA when the enable pin is low.

Summary

The AAT3200IGY-3.0-T1 is a low dropout linear regulator from the Panasonic line of integrated-circuit voltage regulators. It is designed to provide a regulated voltage of 3.0V ±1% over full output current and temperature ranges and can supply up to 800mA of continuous current. Its features make it ideal for battery powered systems or situations where a voltage drop of less than 100mV is desired. It has a wide range of input voltages from 2.0V to 5.5V, a maximum junction temperature of 125°C, and ultra-low standby current consumption of less than 4µA when the enable pin is low.

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