TLV62585RWTT

Series:	*
Packaging:	Tape & Reel (TR)
Part Status:	Active
Mounting Type:	Surface Mount
Package / Case:	12-VFQFN
Supplier Device Package:	12-VQFN-HR (2x2)

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Introduction

Tlv62585rwtt is a digital DC-DC switching regulator that is designed to control the power supply of advanced systems and technologies in various high-voltage electronic applications. This regulator includes an integrated advanced MPU which is responsible for controlling the switching and regulating functions. This regulator offers the user multiple ways to configure the input voltage range, output voltage, current mode control, and switching frequency for a particular application.

Application Field

Tlv62585rwtt can be used to convert an input voltage of 4.5V to 12V into a regulated output voltage that ranges from 0.5V to 3.3V. It is well-suited for use in high-voltage applications such as: motor control systems, computer and peripheral equipment, automotive appliances, mobile phones and other wireless communication devices, PDAs, and electrochemical systems.The regulator is specially designed with an internal MOSFET and operates in current mode control without external components. It also integrates delays of rising and falling times, and adjustable soft-start time. These features make the regulator applicable for audio amplifiers, PA systems, portable media players, digital TV sets, set-top boxes and home appliances.

Working Principle

The main component of the Tlv62585rwtt is a buck-converter circuit, which consists of an inductor-output capacitor-diode configuration. The device is capable of working either in discontinuous or continuous conduction mode. Its switching current mode controls the output voltage precisely, allowing it to remain stable during a wide range of operating conditions.The inductor enables the buck converter to store energy, while the capacitor filters the output voltage to maintain a constant level regardless of load variations. The diode connected to the input side of the buck converter prevents current flow in the reverse direction, while the MOSFET switching element controls the amount of current flowing through the inductor.In a continuous conduction mode, the current in the inductor acts like a sine wave, enabling it to transfer energy with a high efficiency even at medium to high-load current levels. The working frequency of the Tlv62585rwtt can be programmed to a range of 1kHz to 1.8MHz and it also contains input over-voltage and output short-circuit protection.

Conclusion

The Tlv62585rwtt is a digital DC-DC switching regulator that offers a wide input voltage range, precision current mode control and switching frequency to support various high-voltage application fields. With its high-efficiency inductor-capacitor buck-converter configuration, it can ensure stability and reliability even during heavy load variations. The regulator’s easily programmable features, over-voltage and short-circuit protections make it suitable for engineering applications in audio amplifiers, motors, computer systems, telecom and mobile devices.

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