LV5069JA-AH

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Output Type:	Transistor Driver
Function:	Step-Down
Output Configuration:	Positive
Topology:	Buck
Number of Outputs:	1
Output Phases:	1
Voltage - Supply (Vcc/Vdd):	4.5 V ~ 23 V
Frequency - Switching:	330kHz
Duty Cycle (Max):	94%
Synchronous Rectifier:	No
Clock Sync:	No
Serial Interfaces:	--
Control Features:	Current Limit, Enable, Frequency Control, Power Good, Soft Start
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	16-LSSOP (0.173", 4.40mm Width)
Supplier Device Package:	16-SSOP

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Introduction

The LV5069JA-AH is a DC-DC switching controller for power supply design, developed by Panasonic. It comes with a variety of features and functions that make it ideal for a wide range of applications. This article will explore the application fields and working principle of the LV5069JA-AH.

Application Fields

The LV5069JA-AH is an integrated circuit that is used for a variety of power supply designs. It is commonly used for such components as PC motherboards, notebooks, automotive and industrial applications. The LV5069 JA-AH is able to regulate the input source voltage to the appropriate level for the output devices, with the goal of ensuring maximum efficiency in the overall power supply design.The LV5069JA-AH also offers flexibility with its adjustable output voltage. The output voltage can be adjusted in 0.5V increments, allowing for custom power supplies. This makes the LV5069JA-AH an optimal choice for highly specific design requirements.The LV5069JA-AH is also designed to improve the energy efficiency of the power supply design, with a low on-resistance transistor and low-dropout voltage regulator. It also offers a variety of protection functions, such as over-voltage protection, current protection, and thermal protection, ensuring the power supply design is safe and reliable.

Working Principle

The LV5069JA-AH works by converting the input voltage, such as a 12V DC source, into a regulated output, such a 5V DC. This is done through the use of a switching transistor and a control circuit. The input voltage is applied to a switching transistor, which is then shifted on and off by the control circuit. When the transistor is on, it allows current to flow, while when it is off, it interrupts the current flow.The control circuit governs the switching of the transistor over a given period of time. By rapidly switching the transistor on and off in the appropriate sequence, the LV5069JA-AH is able to generate a regulated, stable output voltage.The LV5069JA-AH also offers current limitation and protection via a sensing resistor and over-voltage protection, each of which offers safety and reliability to the power supply design.

Conclusion

The LV5069JA-AH is an integrated circuit designed for use in power supply designs, offering adjustable output voltage, energy efficient design, and a variety of protection functions. It uses a switching transistor and control circuit to regulate the input source voltage, providing a consistent, stable output voltage. It is an ideal choice for PC motherboards, notebooks, and other automotive and industrial applications.

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