BA50DD0WHFP-TR Integrated Circuits (ICs)

Current - Output:	2A
Base Part Number:	BA50DD0
Supplier Device Package:	HRP-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Over Voltage
Control Features:	Enable
PSRR:	55dB (120Hz)
Current - Quiescent (Iq):	120µA
Series:	--
Voltage Dropout (Max):	0.7V @ 2A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	25V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction:

BA50DD0WHFP-TR is a three-terminal, adjustable voltage regulator which belongs to Power Management Integrated Circuits (PMIC) category and specifically the Voltage Regulators - Linear section. It is capable of providing a regulated output over a wide input voltage range, and is optimized for applications requiring high efficiency and low dropout.

Application Field

The BA50DD0WHFP-TR is a general-purpose linear regulator and is suitable for many applications. Because of its wide input voltage range, it can be used to provide regulated power from input voltages that vary from 6V to 22V, making it a good choice for applications where the input voltage may vary due to power supply variations, power cycling, or the output current. It is also designed for use in low-noise, low-EMI, and low-power applications, making it ideal for portable and battery-powered systems.The regulator is particularly suitable for Li-ion battery powered applications due to its low-dropout and low-quiescent current, making it an energy-efficient solution. It is also well suited for automotive applications as it is fully qualified in accordance to the AEC-Q100 automotive qualification standard.

Working Principle

The BA50DD0WHFP-TR is a linear regulator, meaning that it works by using a series pass transistor to regulate the output voltage. This is accomplished by diverting any excess current away from the output when the output voltage exceeds a certain level. The series pass transistor is usually in its "cut-off" state and only conducts when the output voltage needs to be regulated.The BA50DD0WHFP-TR is designed with a low drop-out in mind. This means that it can maintain a regulated output even when the input voltage is only slightly above the output voltage. The low drop-out feature is achieved by using a low-resistance power MOSFET as the series-pass device and an optimized internal control circuit.

Conclusion

The BA50DD0WHFP-TR is a three-terminal adjustable voltage regulator that is optimized for high efficiency and low-dropout. It is suitable for many applications including Li-ion battery powered applications, automotive applications, and low-noise, low-EMI, and low-power applications. This regulator operates by using a series pass transistor to regulate the output voltage, and its low drop-out feature is achieved by using a low-resistance power MOSFET and an optimized internal control circuit.

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