NCV2951CDR2

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The NCV2951CDR2 belongs to the category of PMIC - Voltage Regulators - Linear. It is a robust, low-voltage, low-current, single-channel linear regulator with specifically tailored features that make it suitable for an array of applications, including motor control and power management of electronic equipment.

The device offers fixed output voltage options, low-input voltage operation, maximum power rating of 350 mW, 12 kHz−100 kHz frequency range, capacitance load range of 4.7nF to 100uF, and very low load regulation of 0.04%.

The NCV2951CDR2 can provide up to 360 mA of continuous output current when using an external Power Transistor and up to 120 mA of continuous output current when using an integrated internal Power Transistor. It has an operating temperature range of -40°C to 125°C and a minimum ripple rejection of 55dB at 1kHz.

Working Principle

The NCV2951CDR2 Linear Regulator has a simple 3-pin structure; Input voltage supply (Vin), output voltage (Vout) and enable/disable voltage (Enable). The enable pin allows the user to enable or disable the regulator while the other two pins power and regulate the output voltage.

As the input voltage (Vin) is fed into the regulator, a voltage reference is set on the sense pin. The internal reference voltage is then compared to the voltage at the other side of the resistor (R). The signal is the used to regulate the output voltage (Vout) by adjusting the transistor signals.

The NCV2951CDR2 linear regulator also features an enable pin that allows the regulator to be disabled when not needed, thus reducing power consumption and prolonging battery life. Additionally, the device features thermal protection (OTP) to protect the device in case of extreme temperatures or overload conditions.

Application Field

The NCV2951CDR2 offers a variety of features that make it suitable for a wide range of applications. It can be used for supplying on-chip circuits with a steady voltage source. It can also be used for motor control, power management and regulation in electronic equipment, batteries and automotive systems. Additionally, the low-input voltage operation, wide capacitive load range and low-load regulation make it ideal for use in remote sensing applications.

In conclusion, the NCV2951CDR2 offers an efficient and easily manageable single-channel linear regulator for a range of applications. It offers a fixed output voltage, low-input voltage capability, maximum power rating of 350 mW and a wide capacitive load range. It also features an enable pin to reduce power consumption, as well as OTP protection in case of overload or extreme temperatures. The device is suitable for motor control, power management, regulation and remote sensing applications.

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