MAX734CSA+T

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The MAX734CSA+T integrates external devices needed to create a linear, low-noise, low-drop-out, positive voltage regulator for special purpose applications. The MAX734+ includes an ultra-low-dropout voltage regulator, adjustable voltage reference, charge pump/precision current source, and output current limiter. This single package solution is suitable for a variety of special purpose applications, from fan and laser controller to GPS receiver and digital logic supplies, to special purpose power conditioning for portable devices and embedded system.

The MAX734CSA+T is a Complete Positive Low-Dropout Voltage Regulator with Current Limit, all packaged in a thermally enhanced 10-pin mini-Melf package with an output voltage of up to 5V. The MAX734CSA+T is an adjustable, low-dropout voltage regulator with a wide operating temperature range, fast transient responses, low noise, and excellent load disturbances. Its low output voltage drop-down capability of 0.45V provides reliable power over the full temperature and load range and makes it an ideal choice for portable applications.

The working principle of the MAX734CSA+T is relatively simple. It operates off a power supply comprised of either an external or internal reference. Once the reference is established, an op-amp measures the output voltage and outputs a signal which acts on a power MOSFET established between the input and the output. The proportion of the reference voltage that is output is set by a resistor-to-ground control at the regulation input.

The MAX734CSA+T features an adjustable voltage reference which can be used to set the output voltage within a range of 0.3V to 5.0V. When the input voltage exceeds the output voltage, the MOSFET is used to drop the voltage to the desired level. The MAX734CSA+T also features a charge pump/precision current source to provide sufficiently large output currents over the full temperature range. The current source is also used to reduce the power consumption of the device by providing a suitable headroom voltage to power low-power peripheral components.

The MAX734CSA+T also features an output current limiter designed to protect the device from overload currents while providing the required output voltage. The current limiter operates by sensing the output voltage drop when an overload current is applied to the output, and then turns off the power MOSFET until the voltage has dropped to the threshold set by the current limit arrangement.

The MAX734CSA+T is also equipped with built-in protection features such as over-temperature protection, over-voltage protection, and under-voltage lockout, making it suitable for many applications. The device is also compliant with the Restriction of Hazardous Substances (RoHS) requirements, reducing its impact on the environment.

In conclusion, the MAX734CSA+T is a versatile low-dropout voltage regulator which provides a simple, single chip solution for a variety of special purpose applications. It features adjustable voltage references, a charge pump/precision current source, output current limiter and built-in protection features. With its small size, low-drop-out performance and wide operating temperature range, the MAX734CSA+T is a cost-effective option for many special purpose projects.

The specific data is subject to PDF, and the above content is for reference