LM22677EVAL/NOPB

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The LM22677EVAL/NOPB application field and working principle are commonly used as an evaluation board for DC/DC and AC/DC off-line power supplies, commonly used in applications in the electronic industry. The LM22677EVAL/NOPB is an evaluation board used to evaluate the linear regulator LM22677, which is used as the switching regulator of the power system.

The LM22677EVAL/NOPB is based on a monolithic integrated circuit which is used in the voltage regulator. The device consists of an oscillator, a power switch, and a current-sense amplifier to measure the regulated voltage. The voltage can be adjusted by adjusting the frequency of the oscillator in order to maintain the required voltage output.

The evaluation board has a wide range of rated working voltages, from 5V to 24V. It also has a wide operating temperature range of -40°C to 85°C, which makes it suitable for a wide range of applications in the electronic industry. The evaluation board has an adjustable output voltage, from 0.8 to 10V.

The power switch can be driven directly from the oscillator with an adjustable frequency, from 0.1 to 1MHz. The switch is an N-channel MOSFET with an on-state resistance of 0.3 ohms and is capable of handling up to 40 Watts. The maximum input voltage is up to 50V and the maximum continuous current is 2A.

The device has a Thermal Overload Protection (TOP) feature which protects the device from over heating. The TOP feature detects any over temperature condition and shuts down the device in order to prevent any damage. The device also has a Protection Under Voltage Lockout (UVLO) feature which detects an under voltage condition and shuts down the device to eliminate the possibility of damage.

The LM22677EVAL/NOPB operates using a feedback loop which monitors the output voltage and compares it with the internal reference voltage. The feedback loop adjusts the output voltage accordingly in order to keep the output voltage within the set range.

The device is available in a wide range of packages, including surface mount, through-hole, and pad soldering. The evaluation board supports a wide range of power sources, such as Li-ion, Li-polymer, NiCad, and alkaline batteries or AC mains. The board also has a DIP switch to select the input voltage and a LED which indicates the power-on state.

The evaluation board also has a Power Good (PG) signal output which indicates that the output voltage is within the set range. The board is also capable of supplying up to 2A of current and has an adjustable overcurrent protection. The board is also RoHS compliant, meaning that it is free from hazardous substances.

The LM22677EVAL/NOPB evaluation board is a versatile device and can be used in a wide range of applications in the electronic industry, such as switching power supplies, battery charging systems, and motor controllers. The device is easy to use and can be customized for different applications.

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