LV5990M-TLM-H

Voltage - Output (Min/Fixed):	1.26V
Base Part Number:	LV5990
Supplier Device Package:	12-MFPSJ
Package / Case:	12-LSOP (0.173", 4.40mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Synchronous Rectifier:	No
Frequency - Switching:	360kHz
Current - Output:	3A
Voltage - Output (Max):	17.1V
Series:	--
Voltage - Input (Max):	18V
Voltage - Input (Min):	4.5V
Number of Outputs:	1
Output Type:	Adjustable
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The LV5990M-TLM-H is a DC-DC switching regulator, specifically designed for use in applications that require precise power conversion. It features a wide input voltage range, integrated protection features, and a high efficiency design. This product is ideal for applications such as power converters, battery charging, and power supply designs.

Features

The LV5990M-TLM-H is a high performance DC-DC switching regulator. It has a wide operation input voltage range of 4.2V to 16V, allowing it to be used in a variety of applications. The regulator also has an output current rating of 6A and output voltage of 0.8V to 5V. The product includes a number of protection features such as over current, over voltage, and short circuit protection. Additionally, the regulator also includes a built-in soft start feature that limits inrush current and can reduce electromagnetic interference.

Application Field

The LV5990M-TLM-H is well suited for applications such as clean power converters, battery charging, low voltage logic power supplies, and telecom systems. The wide operation input voltage range and high output current rating make it ideal for these types of applications. The product’s integrated protection features ensure reliable operation and the soft start feature ensures minimal interference.

Working Principle

The LV5990M-TLM-H works by using pulse width modulation (PWM) to regulate the output voltage. In operation, the input voltage is applied to the switch side of the regulator. The PWM control circuit then opens and closes the switch based on the voltage output set point. When the switch is open, the inductor current ramps up and stores energy in the inductor. When the switch is closed, the inductor current flows through the diode and output capacitor and supplies the load with the desired voltage. This process continues until the input voltage is no longer present and the output load is in regulation.

Conclusion

The LV5990M-TLM-H is a high performance DC-DC switching regulator, designed for applications that require precise power conversion. It has an input voltage range of 4.2V to 16V and output current rating of 6A. The regulator also features a range of protection features and built-in soft start circuit. This makes it well suited for applications such as battery charging, power converters and low voltage logic power supplies. The regulator operates using PWM to regulate the output voltage and ensure that the load is in regulation.

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