LP38503TJ-ADJ/NOPB

Current - Output:	3A
Base Part Number:	LP38503
Supplier Device Package:	TO-263-5 Thin
Package / Case:	TO-263-5 Thin
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):	0.67V @ 3A
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)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction to LP38503TJ-ADJ/NOPB Application Field and Working Principle

Power Management Integrated Circuit (PMIC) includes Voltage Regulators, On/Off Controllers, LEDs and Monitors, which help systems and devices to better manage the flow of energy and maintain a certain level of power output. Voltage Regulators, in particular, are highly valuable components in electronic systems as they are responsible for regulating voltage levels and protecting circuits from over-voltage or under-voltage conditions. Linear Voltage Regulators (LVRs) are one of the most commonly used Voltage Regulators on the market today.The LP38503TJ-ADJ/NOPB is a high performance, low quiescent current (IQ) linear voltage regulator, featuring an adjustable voltage range of 1.52V to 5V output and a maximum output current of 500mA. The LP38503TJ-ADJ/NOPB is a single-channel device with an adjustable output voltage, which can be programmed and controlled via the ADJ pin, GPIO pin or external control circuits. The device is based on a fully integrated dedicated control circuit, implemented by an adaptive voltage scaling architecture, which provides high accuracy and fast transient response. Furthermore, the LP38503TJ-ADJ/NOPB is designed to operate over a wide temperature range and comes with numerous protection features such as over-voltage, under-voltage and over-temperature protections.

Application Field

The LP38503TJ-ADJ/NOPB is predominantly used in consumer electronics, but also lends itself to embedded application designs. Typical applications for the LP38503TJ-ADJ/NOPB include mobile phones and handheld devices, notebook computers, consumer DVD players, portable music players, automotive and other applications requiring precision voltage regulation.Thanks to its adjustable output voltage, the LP38503TJ-ADJ/NOPB can be used to optimize system performance or reduce overall system power consumption. It can also be used for voltage scaling for low power modes, or for providing load independent supply back-up, as in the case of battery charging systems.

Working Principle

The operating principle of the LP38503TJ-ADJ/NOPB is based on an adaptive voltage scaling architecture consisting of a digital measuring circuit, a band gap device and a MOSFET pass element.The block diagram below depicts the main components and their relative positions in the LP38503TJ-ADJ/NOPB architecture:The LP38503TJ-ADJ/NOPB utilizes an adaptive voltage scaling technique to accurately regulate its output voltage. This is accomplished by first measuring the output voltage with the digital measuring circuit and feeding this information to the band gap device, where it is compared to a reference voltage. This comparison allows the band gap device to calculate a voltage error signal. The voltage error signal is then used to control the MOSFET pass element, thus enabling the output voltage to be accurately adjusted.The LP38503TJ-ADJ/NOPB also features a number of protection features to protect the device from overloads, over-temperature conditions and over- or under-voltage conditions. It also incorporates a low-dropout mode which allows the device to continue to regulate at very low input voltages, thus enabling full operation even in battery-powered applications.

Conclusion

The LP38503TJ-ADJ/NOPB is a high performance linear voltage regulator which is designed for a wide range of applications in the consumer electronics and embedded systems industries. It features an adjustable output voltage range of 1.2V to 5V and a maximum output current of 500mA. The device operates using an adaptive voltage scaling architecture and comes with several built-in protection features to protect it from overloads, over-temperatures and over-or under-voltage conditions. Thanks to its low quiescent current and adjustable output voltage, the LP38503TJ-ADJ/NOPB can be used in a variety of ways, enabling system designers to further optimize performance and reduce power consumption.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description