LP8340CLD-ADJ/NOPB

Current - Output:	1A
Base Part Number:	LP8340
Supplier Device Package:	6-WSON (2.92x3.29)
Package / Case:	6-WDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	--
PSRR:	55dB (120Hz)
Current - Supply (Max):	170µA
Current - Quiescent (Iq):	100µA
Series:	--
Voltage Dropout (Max):	--
Voltage - Output (Max):	9.3V
Voltage - Output (Min/Fixed):	1.25V
Voltage - Input (Max):	10V
Number of Regulators:	1
Output Type:	Adjustable
Output Configuration:	Positive
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction
LP8340CLD-ADJ/NOPB is one of Texas Instruments Linear Voltage Regulators. Specifically, it is a Pulse Width Modulation (PWM) and linear Voltage Regulator with precision current limit. It is used in a wide range of on-board power conversion applications, including industrial, computer and automotive. This article will discuss the application and working principle of this Linear Voltage Regulator.

Applications
LP8340CLD-ADJ/NOPB can be used in a broad range of applications that require precision current limit. It can be used in laptop, tablet, and smartphone chargers, as well as automotive and industrial circuit boards. It is ideal for applications that require an adjustable voltage output, such as powering LEDs, motors, and other devices. This regulator can also be used in battery charging applications, where it can provide precision current limit and adjustable output voltage.

Working Principle
LP8340CLD-ADJ/NOPB works in two modes. First, it operates as a PWM regulator. The PWM circuit compares the output voltage and a feedback voltage, and adjusts the pulse width of the output cycle accordingly. This ensures that the output voltage consistently maintains a precise value. Second, the linear regulator circuit provides the precise current limit. It operates by limiting the current output to the maximum safe limit specified for the device. This ensures that the device does not suffer from over- or under-current faults.

Features
LP8340CLD-ADJ/NOPB features several features that make it effective in a variety of applications. It can support up to 12 different output voltages, adjustable through programming. Additionally, its output current limit can be adjusted in a range of 0.25A to 3.0A. It also has built-in soft-start, short-circuit protection, and over-temperature protection. Lastly, it includes optional power-good and power-fail outputs. These features make it a suitable device for a wide range of power conversion needs.

Conclusion
LP8340CLD-ADJ/NOPB is an excellent choice for those looking for a Linear Voltage Regulator. It offers precise current limit, adjustable output voltage, and a wide range of features and protection. It is suitable for industrial, computer, and automotive applications, as well as battery charging. With its adjustable output voltage, it is an ideal choice for powering LEDs, motors, and other devices.

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