LDK320AM-R

Current - Output:	200mA
Supplier Device Package:	SOT-23-5
Package / Case:	SC-74A, SOT-753
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	88dB (120Hz)
Current - Supply (Max):	100µA
Current - Quiescent (Iq):	90µA
Series:	--
Voltage Dropout (Max):	0.35V @ 200mA
Voltage - Output (Max):	12V
Voltage - Output (Min/Fixed):	1.2V
Voltage - Input (Max):	18V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LDK320AM-R Application Field and Working Principle

Linear voltage regulators are widely used in automated systems, typically in applications where the regulated output voltage is required to remain unchanged during changes in input voltage or load current. The LDK320AM-R is an adjustable voltage regulator which is designed for use in a variety of consumer, industrial, and automotive applications. This device operates over an input voltage range of 3 V to 28 V, and provides an adjustable output voltage range of 1.5 V to 26 V.The LDK320AM-R is part of a family of low-dropout linear regulators. Unlike conventional linear regulator designs, this device features a control circuit which detects the difference between the reference voltage and the output voltage and adjusts the output voltage accordingly. This provides an improved overall output voltage range and accuracy. Additionally, the device includes an overload protection circuit, which protects it from short-circuit or other overload conditions.The LDK320AM-R has a wide range of possible applications, ranging from automotive systems to portable consumer electronics. When used in automotive applications, it can provide a stable output voltage for powering engine-control modules, navigation systems, portable media players, and other devices. In consumer applications, it can provide a stable voltage source for powering MP3 players, portable gaming systems, media players, and other miniature devices.The LDK320AM-R is a highly efficient and low-dropout device. In most cases, the voltage drop across the device is approximately 63 mV, even with a wide range of input voltages and load currents. Furthermore, the device is capable of supplying up to 400mA of output current, even with an input voltage at the low-end of its range (3 V).The internal structure of the LDK320AM-R is fairly complex. Essentially, the device contains two transistors - an NMOS and a PMOS - which act as a voltage comparator. When the output voltage is below the reference voltage, the NMOS transistor is "on" and the PMOS transistor is "off". This causes the output voltage to rise, until it matches the reference voltage. When the output voltage is above the reference voltage, the PMOS transistor is "on" and the NMOS transistor is "off". This causes the output voltage to drop, until it matches the reference voltage.In terms of stability, the LDK320AM-R provides a relatively low output voltage ripple, making it suitable for use in ripple-sensitive applications such as mobile phones, digital audio players, and other consumer electronics.Overall, the LDK320AM-R is a highly efficient, adjustable voltage regulator which is suitable for use in a variety of consumer, industrial, and automotive applications. Its low-dropout design makes it an ideal choice for use in low-voltage systems, and its excellent stability ensures it will remain reliable even under extreme conditions. The LDK320AM-R is a reliable and cost-effective solution for any system which requires a stable and adjustable voltage source.

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