Frequency - Switching:	200kHz, 600kHz
Base Part Number:	LM5032
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 125°C (TJ)
Control Features:	Frequency Control, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	No
Duty Cycle (Max):	76%
Series:	--
Voltage - Supply (Vcc/Vdd):	13 V ~ 100 V
Output Phases:	2
Number of Outputs:	2
Topology:	Forward Converter
Output Configuration:	Positive
Function:	Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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LM5032MTCX Application Field and Working Principle

Introduction

The LM5032MTCX is a highly integrated compatible PMIC (Power Management Integrated Circuit) produced by Texsemi. This versatile DC-DC switching controller is essential throughout a wide range of segment applications from computing, consumer, home appliances to industrial. It is a team of engineers who worked hard together to make their product the best in the market.

Application Field

The LM5032MTCX is suitable for a range of applications including industrial, white goods, computer and cellular devices. The LM5032MTCX integrates many features that are targeted at a broad range of applications. These features include input voltage regulation, over-current protection, over-voltage-protection, as well as thermal-shutdown protection. It also supports multiple output channels, and allows short circuit protection between the outputs. In industrial environment, the LM5032MTCX can be used as dc-dc converter to further step up the input voltage. It can also be used as the regulator propelling a series of distinct output voltages. In white goods applications, the LM5032MTCX’s output is designed to accurately regulate any input voltage that is too high or too low and extreme load conditions.In Computer, it is suited for traditional DC-DC applications where tight transient response and accurate output voltage are essential. In cellular devices, tight design loop parameters guarantee fast response time, reduced output voltage ripple as well as improved light load efficiency.

Working Principle

The LM5032MTCX operates in a “Pulse Width Modulation” mode known as PFC (Power Factor Correction) mode. In PFC mode, the LM5032MTCX switches the output voltage internally at a fixed frequency of 450kHz. The output voltage, in turn, is determined by a closed loop control circuitry which is designed to ensure the output voltage is maintained as constant as possible and in-line with the requirement. The LM5032MTCX controls the output voltage of its external components via significant features like peak current sensing, a wide range of input voltage, current feedback and improves power factor. In addition, the LM5032MTCX also has current-mode control, phase-shift control and fixed-frequency operation which make it suitable for a variety of applications. The LM5032MTCX also includes a number of built-in protection features such as over-voltage protection (OVP), over-current protection (OCP) and thermal shutdown. These protection options help to ensure safe operation under extreme loads, environmental conditions and safety standards.

Conclusion

The LM5032MTCX is a versatile and reliable DC-DC switching controller for a range of applications from consumer, industrial to computing. It is essential in controlling the output voltage of its external components via its peak current sensing, a wide range of input voltage, current feedback and improves power factor features. Moreover, its built-in protection features allow safe operations under extreme load and environmental conditions. Overall, the LM5032MTCX is a reliable DC-DC switching controller which continues to find various applications in many segments.

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