BA7820FP-E2

Current - Output:	1A
Base Part Number:	BA78
Supplier Device Package:	TO-252-3
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	60dB (120Hz)
Current - Supply (Max):	6mA
Current - Quiescent (Iq):	4.5mA
Series:	--
Voltage Dropout (Max):	2V @ 1A (Typ)
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	20V
Voltage - Input (Max):	33V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The BA7820FP-E2 is a linear voltage regulator integrated circuit (IC) for off-line and DC to DC converters, providing a low drop-out voltage with an excellent line and load regulation. It has an internal or an external reference option and it is available in a wide range of output voltages. This IC is especially suitable for variable output applications such as high accuracy or low cost voltage regulation and DC to DC conversion.

Application field and working principle

The BA7820FP-E2 can be applied to a wide range of AC and DC applications such as voltage regulators, DC to DC converters and high accuracy voltage references. It has an adjustable or a fixed output voltage and it is designed to work with high accuracy and good line / load regulation. The BA7820FP-E2 features an internal voltage reference and a low drop-out voltage, meaning that the voltage difference between the input voltage and the output voltage is very small. This IC can be used to regulate AC input voltages up to the maximum rated output voltage of the BA7820FP-E2.

Operation

The BA7820FP-E2 operates in a linear mode. This means that it uses an operational amplifier to compare the voltage of the output with a reference voltage, and then adjusts its output voltage accordingly. In other words, it uses a feedback loop to regulate the output voltage according to the reference voltage.The internal reference voltage of the BA7820FP-E2 can be set to a desired level, depending on the requirements of the application. The output of the IC can be adjusted by changing the external reference voltage or by using an external divider network.The BA7820FP-E2 can be used as a two-terminal linear regulator, as a three-terminal regulator with a feedback pin, or as a two-terminal regulator with an external feedback connection. In the two-terminal regulator, the output voltage is determined by the internal reference voltage of the BA7820FP-E2. In the three-terminal regulator, the output voltage is determined by a feedback voltage that is applied to the feedback pin.

Advantages

The BA7820FP-E2 has several advantages over other linear voltage regulators. It features an excellent line regulation, meaning that it can maintain a steady output voltage even when the input voltage varies. Additionally, due to its low drop-out voltage, the BA7820FP-E2 can provide an output voltage that is close to the input voltage. The BA7820FP-E2 is also highly efficient, meaning that it produces less heat than a switching regulator. This makes it suitable for low power applications because it can save energy and money.Lastly, the BA7820FP-E2 is highly reliable and it offers a good dynamic response, meaning that it can react quickly to small changes in input voltage.

Conclusion

In conclusion, the BA7820FP-E2 is an excellent choice for low cost, high accuracy voltage regulation applications. It is a highly efficient, reliable, and cost-effective linear voltage regulator with excellent line and load regulation and a wide adjustable output range. Furthermore, it has a low drop-out voltage, meaning that it can provide a close to input voltage output even at low input voltages.

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