AS1364-BTDT-AD

Current - Output:	1A
Supplier Device Package:	8-TDFN (3x3)
Package / Case:	8-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable, Power Good
PSRR:	72dB ~ 46dB (1kHz ~ 100kHz)
Current - Supply (Max):	200µA
Current - Quiescent (Iq):	150µA
Series:	--
Voltage Dropout (Max):	0.32V @ 1A
Voltage - Output (Max):	5.3V
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to an AS1364-BTDT-AD

The AS1364-BTDT-AD is a voltage regulator, part of the linear category of power management integrated circuits (PMIC). It is designed to provide a constant voltage output over a wide range of input voltages. These types of complex chip are key components in today\'s electronic systems.

Application Field

The AS1364-BTDT-AD is a great fit for use in mid- to high-power applications. It is designed to meet the needs of large systems such as smart phones and other mobile devices, and the higher current draw requirements associated with them. It can be used for a wide range of applications, including supplying power for LED lighting, medical device devices, and driving loads such as motors, speakers and relays.

Comparison to Other Linear Solutions

Another type of Linear PMIC is the DC-DC converter. This contains a pulsed-current controlled converter which steps down voltage from one level to another. DC-DC converters are better suited to high-power applications where efficiency can be important. The AS1364-BTDT-AD, on the other hand, provides a more constant output voltage and is best suited to applications where low ripple and high accuracy of output voltage is important.

Working Principle

The AS1364-BTDT-AD is a linear voltage regulator, as opposed to a switch-mode regulator, meaning that it uses a resistive element to drop the voltage from the input voltage to the output voltage. It is made up of two parts: the control stage, and the power stage. The control stage uses a precise internal reference voltage to control the power stage, which controls the output voltage. In order to achieve its output accuracy of ±2%, the AS1364-BTDT-AD contains an adjustable series transistor known as a pass transistor. Depending on the amount of current that is required, this transistor can be controlled to either let more or less current flow to the output. The signal necessary to control this transistor is generated by an internal error amplifier in the control section of the device. This error amplifier compares the actual output voltage to the reference voltage, and sends the signal to the pass transistor, which adjusts the current accordingly. This feedback loop corrects and maintains an accurate output voltage regardless of the load, temperature and input voltage variations.

Protection Features

The AS1364-BTDT-AD is fully protected against a number of common failure modes. It contains an hardware thermal protection circuit that disables the output if the temperature exceeds a safety margin. It also includes current limit protection, over temperature protection and an under/over voltage lockout to protect against abnormal input voltages. All these features make it suitable for use in wide range of applications.

Conclusion

The AS1364-BTDT-AD is a versatile linear PMIC. It is available in a range of packages and can be used in many applications. It can maintain a precise output voltage over a wide range of temperature and input voltages, making it the perfect choice for applications where accuracy is critical. Additionally, it comes with a number of protection features, meaning it is suitable for use in a number of environments.

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