LP38502SDE-ADJ/NOPB

Current - Output:	1.5A
Base Part Number:	LP38502
Supplier Device Package:	8-WSON (3x2.5)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature, Short Circuit
Control Features:	Enable
PSRR:	58dB ~ 56dB (120Hz ~ 1kHz)
Current - Supply (Max):	4mA
Current - Quiescent (Iq):	15µA
Series:	--
Voltage Dropout (Max):	0.37 @ 1.5A
Voltage - Output (Max):	5V
Voltage - Output (Min/Fixed):	0.6V
Voltage - Input (Max):	5.5V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

LP38502SDE-ADJ/NOPB is a voltage regulator which belongs to the family of PMIC - Voltage Regulators - Linear. It includes three main components – an error amplifier, an output voltage regulator and an output voltage feedback – that control the output voltage of a system. The LP38502SDE-ADJ/NOPB is designed to be an adjustable low-dropout linear regulator with a wide input voltage range that can deliver up to 300mA of output current. It also offers excellent line and load regulation as well as low output noise and fast transient response. It also provides current limiting, thermal limiting and over-voltage protection.

Application Field

The LP38502SDE-ADJ/NOPB is typically used in a wide range of applications, such as power-supply circuits, battery-powered systems, microcontrollers, peripheral circuits, and automation systems. It is commonly used in automotive applications, portable devices, communication devices and consumer electronics. It is also used in microprocessor-based systems, audio circuit solutions, FPGAs, ASICs, and high-speed processors.

Features and Benefits

The LP38502SDE-ADJ/NOPB features high power supply rejection ratio (PSRR), low dropout voltage, fast transient response and excellent line and load regulation for improved system performance and power savings. It offers wide input headroom for greater flexibility when using different supply voltages and provides low output noise, adjustable voltage up to 6V, current limiting, thermal limiting, and over-voltage protection.The benefits of using the LP38502SDE-ADJ/NOPB are increased system performance, improved power savings, low noise, and improved system reliability. Its low dropout voltage (typical 0.2V) and high PSRR (80 dB) provides a clean voltage regulation for improved system performance. Its adjustable voltage range also allows for greater flexibility when using different supply voltages, while its low output noise minimizes noise interference with other components. Its current limiting and thermal protection features provides short circuit and over-temperature protection.

Working Principle

The LP38502SDE-ADJ/NOPB voltage regulator works by using a voltage reference, an error amplifier and an output voltage regulator. The voltage reference provides a known reference voltage, usually 1.2V, which is compared to the output voltage by the error amplifier. When the output voltage differs from the reference voltage, the error amplifier output adjusts the output voltage regulation provided by the output voltage regulator. This output voltage feedback loop maintains the output voltage at the desired level by adjusting the voltage regulator output.The LP38502SDE-ADJ/NOPB is designed to have an adjustable voltage range of 0.9V to 6V. It also offers excellent line and load regulation, a wide input headroom, low output noise, and an output current of up to 300mA. The low dropout voltage of 0.2V and the high PSRR of 80dB ensures a clean and stable voltage regulation. This helps to improve system performance, reduce power consumption and minimize noise interference with other components.

Conclusion

The LP38502SDE-ADJ/NOPB is a low-dropout linear regulator which is designed to work in a wide range applications, such as automotive, portable devices, communication devices, consumer electronics and microprocessor-based systems. It is designed for a wide input voltage range and provides up to 300mA of output current. It offers high power supply rejection ratio (PSRR), fast transient response, and excellent line and load regulation for improved system performance and power savings. It also offers current limiting, thermal limiting and over-voltage protection for improved system reliability.

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