LMS1585ACSX-1.5/NOPB

Current - Output:	5A
Base Part Number:	LMS1585
Supplier Device Package:	DDPAK/TO-263-3
Package / Case:	TO-263-4, D²Pak (3 Leads + Tab), TO-263AA
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	60 ~ 72 dB (120Hz)
Current - Supply (Max):	13mA
Current - Quiescent (Iq):	7mA
Series:	--
Voltage Dropout (Max):	1.4V @ 5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	13V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LMS1585ACSX-1.5/NOPB is a linear voltage regulator with a low drop-out (LDO) feature. It is designed to provide a regulated output voltage for a variety of applications. It is capable of delivering up to 1.5 amps of current at its output voltage. The output voltage range is adjustable in increments of 0.3V up to 1.25V. The LMS1585ACSX-1.5/NOPB features low drop-out performance as well as a low quiescent current. It also has a thermal shutdown protection feature and is available in a TO-220 package.

Applications

The LMS1585ACSX-1.5/NOPB is widely used in a range of different applications. It is commonly found in:

• Computer accessories such as keyboards and mice
• Portable devices such as cell phones, digital cameras, and PDAs
• Consumer electronics such as televisions, DVD players, and gaming consoles
• Medical devices such as infusion pumps, heart monitors, and patient monitors
• Industrial applications such as measuring and control instruments, motor controls, and distributed power architectures
• Power management in automotive, telecom, and IT applications

The LMS1585ACSX-1.5/NOPB is also suitable for many other applications such as power supply noise reduction, LED lighting, power switching, and wireless charging.

Working Principle

The LMS1585ACSX-1.5/NOPB is an adjustable voltage regulator with a low drop-out (LDO) feature. The operating principle of the LMS1585ACSX-1.5/NOPB is relatively simple. The device has a voltage input, a voltage output and a potentiometer. The potentiometer is used to adjust the voltage output from the device. The input and output voltages are connected together and the potentiometer is connected between the input and output voltages. The output voltage will be equal to the input voltage minus a reference voltage. The reference voltage is set by the potentiometer and is adjustable in increments of 0.3V up to 1.25V. The reference voltage is used to regulate the LDO’s output voltage. The reference voltage is compared to the input voltage and if the input is higher than the reference, the device will reduce the output voltage accordingly. This process is known as current regulation and is the basis for the LDO behaviour.The LMS1585ACSX-1.5/NOPB also features low drop-out performance and low quiescent current. The device is able to maintain a relatively low drop-out voltage over the entire adjustable voltage output range. This ensures that the output voltage is accurately regulated without wasting power and signals are not corrupted due to noise. The device also features a thermal shutdown protection feature.

Conclusion

The LMS1585ACSX-1.5/NOPB is an efficient and reliable voltage regulator with a low drop-out feature. It is capable of delivering up to 1.5 amps of current at its output voltage. The output voltage range is adjustable in increments of 0.3V up to 1.25V. The device features an adjustable reference voltage, low drop-out performance, low quiescent current and a thermal shutdown protection feature. The LMS1585ACSX-1.5/NOPB is suitable for a wide range of different applications including computer accessories, portable devices, consumer electronics, medical devices, industrial applications and power management. The device has a simple operating principle and is able to accurately regulate its output voltage over its adjustable range.

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