LM1572MTC-5.0/NOPB

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Output Type:	Fixed
Number of Outputs:	1
Voltage - Input (Min):	8.5V
Voltage - Input (Max):	16V
Voltage - Output (Min/Fixed):	5V
Voltage - Output (Max):	--
Current - Output:	1.5A
Frequency - Switching:	500kHz
Synchronous Rectifier:	No
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-TSSOP
Base Part Number:	LM1572

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

The LM1572MTC-5.0/NOPB is a power management integrated circuit (PMIC) voltage regulator from Texas Instruments. It is a DC-to-DC switching regulator, a type of voltage converter, that can be used to regulate the voltage of a power supply. In this article, we will discuss the application field and working principle of the LM1572MTC-5.0/NOPB.

Applications

The LM1572MTC-5.0/NOPB is suitable for applications such as battery-powered electronic systems, automotive electronics, telecommunications systems, and portable, handheld equipment. It is designed with a peak switch current rating of 2 A and an adjustable maximum switch current limit, making it suitable for applications with high power efficiency requirements. Additionally, the regulator includes a low-dropout (LDO) voltage regulator architecture which helps with thermal and power dissipation requirements.

Working Principle

The LM1572MTC-5.0/NOPB is based on the pulse width modulation (PWM) control scheme, which is one of the most common techniques used in a wide range of power management applications. The PWM control scheme is a technique used by the regulator to control how long pulses of voltage are generated, or in other words, the width of the pulses in terms of time. This control scheme is implemented in the LM1572MTC-5.0/NOPB by the use of a comparator, which compares the input voltage with a reference voltage. If the input voltage is greater than the reference voltage, the comparator produces a logic high voltage signal, which is then sent to the gate of a power switch, allowing current to flow through the switch. The duty cycle of the power switch is determined by the duty cycle of the reference voltage. The regulator also includes a feedback circuit, which senses the output voltage of the regulator and compares it with the reference voltage to ensure that the output voltage is always maintained at the correct level. If the output voltage is too low, the duty cycle of the power switch is increased, and vice versa if the output voltage is too high.

Conclusion

The LM1572MTC-5.0/NOPB is a DC-to-DC switching regulator designed for applications with high power efficiency requirements. It is based on the pulse width modulation (PWM) control scheme, which is implemented using a comparator and a feedback circuit. These features make the LM1572MTC-5.0/NOPB suitable for use in battery-powered electronic systems, automotive electronics, telecommunications systems, and portable, handheld equipment.

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

Part Number	Manufacturer	Price	Quantity	Description