LP3965ESX-ADJ

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Texas Instruments LP3965ESX-ADJ is an adjustable, 4 MHz, low-dropout linear regulator, suitable for commercial and industrial applications. The device is offers low output voltage noise and quiescent current. It incorporates a 150 mA maximum switch current, external shutdown control and low dropout performance. The device utilizes an optimization scheme which allows it to exhibit a fast transient response time and low dropout voltage.

The LP3965ESX-ADJ has a wide input voltage range of 2.8 V to 5.5 V and a wide output voltage range of 0.8 V to 5 V. It can support output currents up to 150 mA. The device can be used as a constant current source or in a mode of current-limit. By connecting an external resistor, the device can also work in a non-overload condition. It has a digital soft start, thermal shutdown and over-voltage protection.

In order to deliver its optimum performance, the LP3965ESX-ADJ requires an adequate thermal heat sink for proper cooling. This device is small in size and is ideal for applications where space is a constraint. Its high level of efficiency and low input output voltage drop make it suitable for battery operated and automotive applications.

The LP3965ESX-ADJ feature set makes it ideal for a variety of applications including battery operated applications such as cellular phones and PDAs, automotive applications, medical equipment and industrial applications.

The working principle of the LP3965ESX-ADJ is simple yet effective. An internal P-MOS Mosfet is used as a switch to deliver current to the output, while an internal error amplifier monitors the output voltage and adjusts the P-MOS switch duty cycle in order to keep the output voltage constant. The internal Loop Gain Compensation provides fast transient response and low drop out performance.

In summary, the LP3965ESX-ADJ is an adjustable, low-dropout linear regulator from Texas Instruments which offers low output voltage noise, quiescent current and digital soft start. It is suitable for a wide variety of applications, including battery operated and automotive applications, and features internal loop gain compensation for fast, accurate transient response and low dropout performance.

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