LP4951CM

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 LP4951CM is a low power consumption, low dropout (LDO) linear voltage regulator specifically designed for use in portable devices. As a member of the PMIC (Power Management IC) family, it is suited for applications needing an efficient and reliable power supply solution such as smart phones, tablets, and other mobile electronic devices.

The LP4951CM has an operating input voltage range of 2.3 to 5.5 volts and output Voltage range of 0.8 to 3.3 volts. With its ultra-low quiescent current of 10 μA, this voltage regulator is an ideal candidate for applications requiring a low power supply. Its low voltage dropout of 150 mV at 500 mA makes it uniquely suitable for battery operated equipment.

The LP4951CM has a wide range of features in addition to its excellent power efficiency and relatively low cost. It features a 6-channel configuration with each channel capable of delivering 500 mA at an output current of up to 3.9 volts. Additionally, it has an integrated Over-Temperature Protection system that prevents excessive temperature rise and an Over-Voltage Protection system to protect against power supply surges.

The LP4951CM supports a range of output modes. The default mode is a constant output voltage mode, which allows for stable and reliable operation of the voltage regulator in low current applications. The adjustable mode allows the output voltage to be adjusted in increments of 50mV, while the burst mode allows the output voltage to be adjusted in increments of 15mV.

The LP4951CM utilizes a PWM (Pulse Width Modulation) control system to regulate the output voltage. The PWM module receives a feedback signal from the output power supply and adjusts its internal switching output frequency in order to obtain the desired output voltage. The PWM module generates a square-wave output with a duty cycle that is adjusted in order to optimize power supply efficiency and to reduce output ripple.

In addition to its PWM control system, the LP4951CM also regulates the output voltage using an internal voltage reference. This voltage reference is used as a reference voltage by the PWM control system and is also used as a reference for the minimum/maximum output voltage, as well as the idle current limit. This ensures that the power supply output voltage remains within the desired parameters.

The LP4951CM also has a shutdown pin, which allows the user to turn of the power supply in order to conserve energy when the device is not in use. The remote shutdown capability frees up the user from having to manually unplug the device from the power source. The LP4951CM also provides shutdown delay and enable time controls, allowing the user to specify the amount of time before and after the shutdown before and after which the device should return to its normal operational state.

Overall, the LP4951CM offers an excellent power supply solution for portable and low power applications. Its 6-channel configuration, adjustable output voltage, low power consumption, and wide operating range make it an excellent choice for any system that requires a reliable and efficient voltage regulator. With its excellent performance and relatively low cost, the LP4951CM is a great choice for applications that need a low power, low dropout voltage regulator.

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