MP1494SGJ-P

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 MP1494SGJ-P, a green-mode PWM controller designed and manufactured by MPS, is designed to provide excellent performance in terms of power supply efficiency, power density, and control. This device focuses on the DC-DC switching regulator applications, and is ideal for wide range of high current applications such as PCs, server, telecom, and non-isolated DC-DC buck, boost and buck-boost applications.

The MP1494SGJ-P has a low quiescent current of only 8uA and a wide input voltage range from 4.75 to 28V. It features a high frequency precision voltage reference of 1. 225V that is adjustable via external resistors. Additionally, it features a wide switching frequency range of 100kHz to 1MHz with one KHz frequency sets – adjustable by the control signal and via external resistor, and a 14mA gate driver with a shutdown pin.

To maintain superior efficiency, the MP1494SGJ-P’s switching frequency is automatically adjusted based on the output load. This feature significantly reduces no-load switching losses, providing the regulator with excellent performance even in light-load conditions. Additionally, the device has a great heat sink solution that can be used to reduce its thermal losses.

In terms of protection, the MP1494SGJ-P includes under-voltage protection and over-voltage protection, as well as thermal protection and regulated output current limit. It also features contrast modulation for improved output voltage ripple, and auto-skip for reduced stand-by power consumption.

As for the working principle, the MP1494SGJ-P is a hysteretic controller with a low voltage reference and a fixed switching frequency. Its control loop measures the output voltage and compares it to the reference voltage. When the output voltage is lower than the reference, the device turns on and starts switching the loads until the output voltage reaches the reference voltage. Once the reference voltage is reached, the device starts to turn off and stops switching the loads. This process is then repeated to maintain the output voltage at the reference level. By adjusting the frequency, the current limit, and the voltage reference, the device can be used to regulate the output voltage.

In conclusion, the MP1494SGJ-P is an excellent choice for DC-DC switching regulator applications due to its superior performance and excellent protection features. With its small form factor, low power consumption, and adjustable control signal and external resistor, this device is the perfect choice for efficient power supply designs.

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