LF50ABDT-TRY Integrated Circuits (ICs)

Current - Output:	500mA
Base Part Number:	LF50
Supplier Device Package:	DPAK
Package / Case:	TO-252-3, DPak (2 Leads + Tab), SC-63
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	76dB ~ 60dB (120Hz ~ 10kHz)
Current - Supply (Max):	12mA
Current - Quiescent (Iq):	2mA
Series:	Automotive, AEC-Q100
Voltage Dropout (Max):	1.3V @ 500mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	16V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction to the LF50ABDT-TRYThe LF50ABDT-TRY (hereafter referred to as the DT) is a low-power linear voltage regulator available from On Semiconductor. It is a series-pass device, designed to reduce output voltage from a higher supply with an output current limited to 1 ampere (A). It can operate from a wide input voltage range of 2V-37V and is available in 2-pin package options.Application FieldThe DT provides a cost-effective solution for many types of applications requiring linear voltage regulation such as medical, automotive and industrial equipment. It is also an ideal choice for power supply and voltage conversion products.The device is capable of regulating an output voltage from a higher supply inputs and it is suitable for a wide range of applications needing a low-cost, low-power and high-efficiency voltage regulator.It is especially useful for battery-powered applications such as mobile phones, notebook PCs, and digital cameras.The DT is also suitable for portable wireless communication devices, including cellular phones, wireless LANs and PDAs.Working PrincipleThe DT utilizes a series-pass configuration to deliver a regulated voltage form an input supply. When the input voltage exceeds the set threshold value, the device will start regulating the output voltage by reducing the input current to a lower level.The DT is also equipped with a current limiting feature, which helps to protect it from damage due to overloads. It is able to provide a regulated output voltage within a relatively low input voltage range, making it suitable for many portable and power supply applications.The DT is able to generate a high-efficiency, low-dropout voltage regulation by using the on-chip Schottky barrier in order to separate the input and output supply lines. This enables the DT to regulate the output voltage while still maintaining a low input voltage drop, resulting in high efficiency over the whole operating range.In addition, the DT is also capable of handling very large capacitive loads such as LCD panels, as well as small resistive loads. This makes it an ideal choice for battery operated systems that require high efficiency, low-dropout regulators.ConclusionThe LF50ABDT-TRY from On Semiconductor is a highly efficient series-pass voltage regulator which offers superior voltage regulation over a wide input voltage range. This makes it an ideal choice for a wide variety of applications such as battery-powered systems, medical and automotive equipment, and industrial products. The device also features current limiting protection, which helps to protect it from damage caused by overloads.

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