NJM7824FA

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The NJM7824FA is a “lemon and lime type” 3-terminal, low dropout linear regulator manufactured by New Japan Radio Co., Ltd. It is designed to provide excellent overload and line transient performance, in addition to low dropout voltage and low ground current. As an Active Low Dropout (A-LDO) regulator, it is compatible with multiple input voltages, thus ideal for use in a wide range of applications. The NJM7824FA provides very low output voltage ripple, low noise operation and excellent thermal stability. It is specifically designed for applications requiring reliable control of low input/output voltages and currents, including but not limited to, LCDs, cameras, automotive and other consumer applications.

The NJM7824FA features an operating voltage range of 2.5 V to 24 V and an adjustable output voltage range of 0.8 V to 16 V. It provides up to 400 mA of output current and offers a typical dropout voltage of 500 mV (at 200 mA). The device is protected against reverse current, output overvoltage and overcurrent conditions.

The NJM7824FA is available in a 8-pin small package (SOP-8/PDIP-8) and includes several functions to improve its performance. These include an internal short-circuit current limiting function, overvoltage protection, open loop detection, thermal overcurrent protection, an output voltage toggling or pulse-by-pulse current limiting. Furthermore, the device has built-in noise filtering circuitry to reduce output voltage wobbling at light loads. It also includes a self-bias circuit to enable operation with input voltage lower than the output voltage.

The NJM7824FA is a 3-terminal regulator designed for power management applications that require a low dropout regulator with high efficiency and excellent overload and line transient protection. The regulator provides low dropout voltage, low noise output, excellent thermal stability, and wide input/output voltage compatibility. It is suitable for LCDs, cameras, automotive and other consumer applications.

The NJM7824FA\'s working principle is based on the ratio of two pass transistors, a P-channel transistor (Q1) and an N-channel transistor (Q2). These two transistors create an open loop between the input and the output, which allows the regulator to regulate the output voltage. The output voltage is established by the ratio (gV) between the pass transistors, which is determined by the attached feedback current. This feedback current is supplied by an internal reference (VREF) and a feedback resistor (RFB).

The NJM7824FA is an excellent choice for voltage-regulator applications, providing excellent performance and reliability for a wide range of input/output voltages. It is designed to operate from a wide input voltage range and provide an adjustable output voltage to meet specific requirements. Its features include short-circuit current limiting, overvoltage protection, open loop detection, thermal overcurrent protection, and noise-filtering circuitry.

The NJM7824FA is widely used in automotive, communication, industrial, and consumer electronics applications. It is widely used in the automotive industry as it has the capability to provide reliable and stable voltage regulation in a variety of operating conditions. In addition, its low drop out voltage and low noise characteristics also make it suitable for communication systems, industrial motor control and LED lighting applications.

The NJM7824FA is an excellent 3 terminal A-LDO regulator designed to provide reliable operation in a wide range of applications that require low dropout performance and low noise operation. Its low-drop voltage, high-efficiency, and wide input/output voltage compatibility make it the ideal solution for fixed and adjustable voltage requirements for LCDs, cameras, automotive and other consumer applications.

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