L4957AD1.5TR

Current - Output:	5A
Base Part Number:	L4957A
Supplier Device Package:	D2PAK
Package / Case:	TO-263-3, D²Pak (2 Leads + Tab), TO-263AB
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Temperature, Short Circuit
Control Features:	--
PSRR:	75dB (120Hz)
Current - Quiescent (Iq):	2mA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V
Voltage - Input (Max):	14V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Obsolete
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

The L4957AD1.5TR is a type of Linear Voltage Regulator from the PMIC (Power Management Integrated Circuits) family of voltage regulators. It is an integrated circuit that is robust, efficient, compact and cost-effective, making it an ideal power management solution for multiple applications. This article discusses the application field and working principle of the L4957AD1.5TR.

Application Field

The L4957AD1.5TR is primarily used in applications, such as notebook PCs, printer power supply and car battery charging, where a low quiescent current and high efficiency are needed. It is also commonly used in microcontrollers, DSP, LCD screens and other electrical components.

Features

The L4957AD1.5TR features an integrated error amplifier, low on-resistance MOSFETs and a low-dropout voltage regulator. It also features a high efficiency linear voltage regulator. These features make it ideal for a variety of voltage regulation applications.

Operation

The L4957AD1.5TR is a DC-DC linear voltage regulator. It works by first converting the input voltage into a reference voltage, then regulating the output voltage relative to the reference voltage. This process is done through the use of the error amplifier and the two low-on resistance MOSFETs. The L4957AD1.5TR also features an integrated low dropout (LDO) linear regulator. This LDO linear regulator features a low quiescent current and a wide operating temperature range. This ensures the device remains efficient and effective even in extreme environmental conditions.

Benefits

The linear voltage regulator of the L4957AD1.5TR provides a number of benefits. First, it is relatively easy to use, enabling users to quickly set up and operationalize the device. Second, the device is compact, meaning it can be used in a number of tight spaces. Third, it requires less current and thus generates less heat, which makes it ideal for high-end applications.

Conclusion

The L4957AD1.5TR is a linear voltage regulator from the PMIC family of power management integrated circuits. It is a cost-effective, robust and efficient power management solution, making it ideal for use in many applications, such as notebook PCs, printer power supply and car battery charging. The device features an integrated error amplifier, low on-resistance MOSFETs and an integrated low dropout linear regulator, which enables it to maintain high efficiency and low quiescent current. These features make the L4957AD1.5TR an ideal voltage regulator for a variety of applications.

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

Part Number	Manufacturer	Price	Quantity	Description