BA17809T

Current - Output:	1A
Base Part Number:	BA178
Supplier Device Package:	TO-220FP
Package / Case:	TO-220-3 Full Pack
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 85°C
Protection Features:	--
Control Features:	--
PSRR:	64dB (120Hz)
Current - Supply (Max):	6mA
Current - Quiescent (Iq):	4.5mA
Series:	--
Voltage Dropout (Max):	2V @ 1A (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	9V
Voltage - Input (Max):	26V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Bulk

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BA17809T Application Field and Working Principle

BA17809T is an integrated linear voltage regulator specifically designed for low power battery-powered applications in automotive and portable electronic equipment. This device is designed with low dropout voltage and low power dissipation and high efficiency. Nowadays, this voltage regulator is widely used in a variety of applications, including automotive infotainment systems, portable electronic devices, medical electronic products and industrial electronic products, etc.

1. Application Field of BA17809T

BA17809T can be used to adjust the stable output voltage in automotive infotainment systems and other types of equipment that require a stable and low power output voltage. This voltage regulator is also suitable for high reliability, high temperature resistant, low emission, and low noise applications, as it ensures low power consumption, low dropout voltage, and low emissions. In addition, the BA17809T is widely used in various types of automotive electronics, portable electronic equipment, medical electronics, and other industrial electronic products. For example, it can be used to regulate the output voltage of charging chargers, automotive infotainment systems, medical electronic instruments, etc.

2. Working Principle of BA17809T

The BA17809T is a linear voltage regulator. It has two essential parts, the regulator circuit (linear regulator) and control circuit. The regulator circuit is designed to provide a reliable and stable output voltage. It utilizes an integrated negative-feedback control circuit to consistently adjust the output voltage to the desired value. During the process, the integrated negative-feedback control circuit collects the feedback signal from the output voltage and compare it with the reference voltage. If the output voltage is different from the reference voltage, the integrated negative-feedback control circuit then adjusts the gate voltage of the integrated switch accordingly to regulate the output voltage to the desired value. The BA17809T also has an overcurrent protection circuit and a thermal protection circuit, which can avoid the device from being damaged by overloading or overheated.

3. Features of BA17809T

The BA17809T is a low-dropout voltage regulator, which is stable and highly efficient. Its integrated output voltage can be adjusted from 0.5V to 4.0V to meet the needs of different applications. It ensures high power supply reliability and better programmability. The low-dropout voltage of BA17809T, along with its low-power dissipation design, is suitable for battery-powered applications. In addition, it has overcurrent protection and thermal protection functions which can protect it from being damaged.

4. Advantages of BA17809T

① BA17809T offers low input voltage, low dropout voltage, and high efficiency. This can reduce the power consumption, improve the system performance, and extend the battery life. ② The low power consumption design ensures long-term stability of the output voltage, and the high reliability design is suitable for the various applications.③ Its integrated output voltage can be adjusted from 0.5V to 4.0V to meet the needs of different applications. Moreover, it has built-in protection circuits, which can protect the device from being damaged.

Conclusion:

The BA17809T is a low-dropout linear voltage regulator that can be used for a variety of applications, including automotive infotainment systems, portable electronic devices, medical electronic products and industrial electronic products, etc. It can provide a stable and reliable output voltage, while offering low input voltage, low dropout voltage, and high efficiency. The low power consumption design ensures long-term stability of the output voltage. In addition, the integrated output voltage can be adjusted from 0.5V to 4.0V, and it also has built-in protection circuits that can protect the device from being damaged.

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