LM34917ATLX/NOPB

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The LM34917ATLX/NOPB voltage regulator is a switching regulator of the switch-mode power supply family. It is a DC-DC converter, which is designed to control the output voltage of the integrated switchmode power distribution circuits. The LM34917ATLX/NOPB is able to operate at high frequency, making it suitable for applications in the automotive industry where transient responses and fast response times are required. The device supports low-voltage operation, allowing it to be used in devices such as portable electronics, LED lighting, and other consumer electronics.

The LM34917ATLX/NOPB has an integrated high-side and low-side switch, allowing the device to convert an input voltage of both positive and negative values into an output voltage that can be regulated over a wide range. The device is also able to select and regulate various fixed output voltages. It features a built-in synchronous rectifier, which allows efficient operation at high speeds and currents.

The LM34917ATLX/NOPB is a switching regulator that employs a constant on time (COT) operating principle. In COT mode operation, the switch is always on for a predetermined period of time, which is referred to as “on time”. After this period of time, the switch is turned off for a predetermined period of time, which is referred to as “off time”. This on/off cycle enables the device to maintain a constant output voltage. The on time is adjustable from 1 μs to 65.536 ms with a resolution of 0.128 μs.

Unlike traditional linear regulators, the LM34917ATLX/NOPB switching regulator does not require a large output capacitor, as the output voltage of the device is not directly dependent on the output capacitor value. This makes the device suitable for applications where the power and size efficiency of the circuit must be maximized. Furthermore, due to its integrated high-side and low-side switch, the LM34917ATLX/NOPB is able to provide synchronous rectification, which reduces the power dissipation and increases the efficiency of the circuit.

The LM34917ATLX/NOPB voltage regulator is designed for use in a wide range of applications including LED lighting, vehicle systems, industrial and automotive electronics and powering of embedded systems. The device provides a programmable output voltage, allowing it to be used in a variety of applications where a specific output voltage is required. The device is also able to provide a variable output voltage, allowing the output voltage to be adjusted depending on the needs of the system.

The LM34917ATLX/NOPB is a highly integrated device, making it suitable for a wide range of applications. The integration of the high-side and low-side switch, synchronous rectifier, and programmable on/off time makes it a versatile and efficient device for powering complex systems. It is an ideal choice for automotive, industrial, and portable electronics applications, where size, power efficiency, and flexibility are important.

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