BA17807FP-E2

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The BA17807FP-E2 is a linear voltage regulator from ROHM Semiconductor. It is a low power, precision on-chip regulator with voltage tracking, low dropout and high accuracy features. This regulator is designed to provide excellent performance in a wide variety of applications including medical, automotive, consumer, industrial, telecommunications and multimedia.

Features

• Low dropout: 0.45V typical at 1A
• High accuracy: ±2.5% maximum output voltage
• Low quiescent current: typically 2.9mA
• High stability over temperature, process and time
• Resistor-programmable or voltage-in control
• Overcurrent protection and overvoltage lockout protections
• Small package: SOT-89

Application field

The BA17807FP-E2 is ideal for consumer, automotive, industrial, medical and telecommunications applications requiring tight voltage regulation over a range of input and output voltages. It is especially suitable for consumer and automotive applications, where it provides a complete solution for efficient power management. It can also be used in battery operated systems, where its low quiescent current reduces power consumption. Additionally, this regulator feature built-in bypass input and output accesses, allowing it to be used in multiple applications depending on configuration.

Working principle

The BA17807FP-E2 is a linear voltage regulator, also known as a low dropout regulator. This type of regulator works by drawing current from the input voltage source, through an internal P-channel MOSFET, and drawing current from the output. The output voltage is controlled by the ratio of the input voltage to the output voltage. By adjusting the internal resistor, the regulator can maintain a stable output voltage in the range of 0.75V to 15V. The regulator also has a temperature compensation circuit that allows the regulator to stay on to within ±2.5% of a programmed output value.

The regulator also features an overcurrent protection and overvoltage lockout feature, which works by monitoring the output voltage and current. If the output voltage or current goes above or below the set limit, the regulator will automatically shut down. This feature ensures that the output voltage stays within the specified range, and prevents overvoltage, which can damage equipment. Additionally, the regulator also includes an enable pin, which allows the user to control the regulator\'s on/off status.

Conclusion

In conclusion, the BA17807FP-E2 is an ideal linear voltage regulator for a wide range of applications. It features low dropout, high accuracy, temperature compensation, and overcurrent protection and overvoltage lockouts, making it an ideal choice for consumers, automotive, industrial, medical and telecommunications applications. With a small package and high stability over temperature, process and time, the regulator provides excellent value for both users and manufacturers.

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