LMS1585ACS-3.3

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:	72dB (120Hz)
Current - Supply (Max):	13mA
Current - Quiescent (Iq):	7mA
Series:	--
Voltage Dropout (Max):	1.4V @ 5A
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.3V
Voltage - Input (Max):	13V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Not For New Designs
Packaging:	Tube

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LMS1585ACS-3.3 Application Field and Working PrincipleThe LMS1585ACS-3.3 is a linear voltage regulator that is designed to provide a stable and regulated 3.3V output from either a 5V or 12V input source. This voltage regulator is designed to be used in a wide variety of applications, including:* Automotive* Motor Control* Electrical Power Supplies* LED LightingThe LMS1585ACS-3.3 is a low-power cost effective 3.3V voltage regulator. It is a perfect solution for applications requiring steady, low-current operation. In these applications, small size, low power cost and high performance are always important considerations. The LMS1585ACS-3.3 also offers high efficiency, making it an ideal choice for any power system.The LMS1585ACS-3.3 is a simple, monolithic, three-terminal voltage regulator. It provides output of 3.3V. The working principle of the voltage regulator is based on some basic rules of electric circuit operation. Operating the device with an appropriate supply facilitates the regulation and output of a steady regulated voltage.The voltage regulator consists of two main functional blocks – the linear regulator and the error amplifier. The linear regulator is composed of a series combination of passive components connected to an active device, such as a bipolar or field-effect transistor (FET). These transistors are correctly biased with the aid of two resistors, one of which is utilized to set the output voltage of the regulator, while the other is responsible for the temperature compensation.The output voltage of the regulator is regulated by the error amplifier. The output of this amplifier is fed back to the gate of the regulator\'s device and is regulated using a closed-loop technique. The output of the error amplifier is compared to the intended output voltage, which is provided by the voltage reference. The amplifier compares its input to the voltage reference and sends a signal to the gate of the regulator device if there is a difference. This signal is then used to regulate the output voltage of the regulator, to ensure that it is maintained at the desired 3.3V output.The LMS1585ACS-3.3 offers low dropout operation. This is achieved by carefully controlling the regulator\'s base on-time. This prevents the p-channel device from turning off prematurely, thus maintaining a higher level of operation efficiency. Since the device is also highly temperature-stable, it is ideal for applications that require long-term operation in challenging environments.The LMS1585ACS-3.3 offers excellent power supply regulation for applications such as automotive systems, motor control, electrical power supplies and LED lighting. The device is a highly reliable and efficient choice for these applications. Its flexible design and low cost make it an ideal voltage regulator for low-voltage and low-current circuits.This voltage regulator is simple to install and operates using a simple input voltage. Its low-dropout operation, temperature stability and high efficiency make it a versatile and reliable choice to design circuits requiring steady, low-current operation. The LMS1585ACS-3.3 is a highly cost-effective and efficient voltage regulator solution for a wide range of applications.

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