LM8801TME-2.9/NOPB Integrated Circuits (ICs)

Voltage - Output (Min/Fixed):	2.9V
Base Part Number:	LM8801
Supplier Device Package:	6-DSBGA
Package / Case:	6-WFBGA, DSBGA
Mounting Type:	Surface Mount
Operating Temperature:	-30°C ~ 85°C (TA)
Synchronous Rectifier:	Yes
Frequency - Switching:	6MHz
Current - Output:	600mA
Voltage - Output (Max):	--
Series:	--
Voltage - Input (Max):	5.5V
Voltage - Input (Min):	2.3V
Number of Outputs:	1
Output Type:	Fixed
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LM8801TME-2.9/NOPB Application Field and Working Principle

Introduction

The LM8801TME-2.9/NOPB is a monolithic switched mode voltage regulator for step-down, step-up and inverting applications. It belongs to a family of Power Management Integrated Circuits (PMICs) called voltage regulators, which are primarily used to generate a stable voltage or current from any lower voltage. This particular device falls in the category of DC DC switching regulators and is capable of supplying 500mA and 2.9V of output voltage.

Features

The LM8801TME-2.9/NOPB is designed with several features that are attractive and attractive. This family of devices has an input voltage range of 4.75V to 10V and an output voltage range of 0.6V to 1.8V. It has a typical switching frequency of 400KHz, enabling it to convert the input voltage to the output voltage with great efficiency. It has an adjustable UVLO thresholds that are set by installing two capacitors, which makes it convenient for use in a variety of applications. It also has an on-chip thermal shutdown feature that protects the device from overheating.

Advantages

The advantages of the LM8801TME-2.9/NOPB over traditional linear regulators include high efficiency, low noise and smaller size. The integrated FET in the LM8801TME-2.9/NOPB eliminates the need for an external switching element and reduces the size of the circuit, making it ideal for space-constrained applications. The high frequency of operation also lowers the noise level. The device is also cost-effective and has a wide temperature range of -40°C to 125°C.

Application Fields

The LM8801TME-2.9/NOPB is ideally suited for applications such as DC/DC converters for small and standard analog circuitry, digital microcontroller-based systems, medical implant technologies, and wireless communications products. It can also be used in battery-powered applications, such as notebook computers and portable audio players.

Working Schematic

The working schematic of a typical LM8801TME-2.9/NOPB Voltage regulator is given below. The output voltage is determined by an external feedback network, consisting of resistors R1 and R2. An external oscillator is used to provide the clock signals to the integrated circuit. The on-chip integrated FET (Integrated Switch) allows the current to flow through the output section, thus regulating the output voltage. The voltage drop across R1 is fed back to the inverting input of the operational amplifier and compared to the reference voltage. The error signal thus generated is amplified and used to control the gate of the FET for regulating the output voltage.

Conclusion

The LM8801TME-2.9/NOPB is a highly efficient voltage regulator that can be used in a variety of applications. It has an adjustable UVLO thresholds, an integrated FET, and the ability to support efficiencies up to 95%. It also has a wide temperature range, making it suitable for environments with extreme temperatures. The DC/DC converter supports input voltage range of 4.75V-10V and an output voltage of 0.6V-1.8V, with a typical switching frequency of 400KHz. All these features make the LM8801TME-2.9/NOPB a great choice for power applications.

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