LM2941CSX/NOPB

Current - Output:	1A
Base Part Number:	LM2941
Supplier Device Package:	DDPAK/TO-263-5
Package / Case:	TO-263-6, D²Pak (5 Leads + Tab), TO-263BA
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Reverse Polarity, Short Circuit
Control Features:	Enable
PSRR:	--
Current - Supply (Max):	15mA
Current - Quiescent (Iq):	10mA
Series:	--
Voltage Dropout (Max):	1V @ 1A
Voltage - Output (Max):	20V
Voltage - Output (Min/Fixed):	5V
Voltage - Input (Max):	26V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

LM2941CSX/NOPB is a high-performance linear voltage regulator with a wide input voltage range, a low dropout voltage, and high-accuracy output voltage. It can provide the precise output voltage for small and medium voltage regulation applications. LM2941CSX/NOPB is manufactured with the advanced complementary metal-oxide-semiconductor (CMOS) process and is available with additional protection features such as thermal protection, short-circuit protection, reverse voltage and over-current protection. This product is designed to allow precise control and monitoring of the output voltage and current. Output voltage can be programmed directly in a multitude of ways, including direct PWM control and 16-bit DAC interface.

Applications

LM2941CSX/NOPB is applicable in many fields, especially for computer systems and machine communication applications. It is used in computer-related equipment such as so-called noise-muting systems, thermal protection and fan control, clock and data line protection, auto-wake-up systems, power supply sequencing, power management, networking, and other optical communications systems. The LM2941CSX/NOPB voltage regulator can be used in a wide variety of applications, such as automotive and industrial control, cellular phones and other portable equipment, and medical instruments. In addition, it is suited for use in a wide variety of battery applications such as notebook computers, PDAs, and portable medical equipment.

Working Principle

LM2941CSX/NOPB is based on the concept of Linear Voltage Regulation. This means that the output voltage is constant and the regulator will act to keep it at a set point. When the input voltage rises, the regulator automatically compensates for this by reducing the amount of current it delivers on the output. When the input voltage drops, the regulator supply an increased amount of current in order to maintain the output voltage.The LM2941CSX/NOPB voltage regulator is made up of four components: an external resistor, a voltage reference, an operational amplifier and a pass transistor. The operational amplifier acts like a comparator to compare the two inputs, the external resistor and the voltage reference. If the external resistor voltage is higher than the voltage reference, it will pass enough current through the pass transistor to reduce the output voltage. The pass transistor then acts like an active load to dissipate the current.

Conclusion

The LM2941CSX/NOPB voltage regulator is an excellent choice for applications requiring precise control and efficiency. It has a wide input voltage range, low dropout voltage, and high-accuracy output voltage. It also features protection features such as thermal protection, short-circuit protection, reverse voltage and over-current protection. The LM2941CSX/NOPB is suitable for use in a wide variety of applications, such as automotive and industrial control, cellular phones and other portable equipment, and medical instruments.

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