LM3724IM5X-2.32/NOPB

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The LM3724IM5X-2.32/NOPB is an adjustable undervoltage lockout device with push-pull, high-current totem-pole output ideal for power up/down sequencing applications. It is a member of the Texas Instruments Precision Group. LM3724IM5X-2.32/NOPB application field and working principle is a popularly used device in the field of PMIC - Supervisors.

The LM3724IM5X-2.32/NOPB is a low power consumption, programmable voltage supervisor that enables power up and power-down sequence operations. It provides an adjustable threshold window between 2.20 V and 5.50 V that can be program by two resistors (one from from Above threshold to 8.5V and one from below threshold to ground). With the help of this device, designers can now accurately program and control power up, power-down and hold-off conditions of their designs. With an adjustable undervoltage lockout, the device will keep the system from restarting until a defined voltage level has been reached.

The LM3724IM5X-2.32/NOPB has two open-drain outputs. The OVER pin is active low and the UNDER pin is active high. If the monitored output voltage exceeds the program threshold voltage, then the OVER pin will be pulled low. When the monitored output voltage drops below the under threshold voltage, then the UNDER pin will be pulled low. With both over and under pins being active low, the outputs can be used to control parallel power up and/or power down operations.

The LM3724IM5X-2.32/NOPB incorporates a power-on reset circuit that provides an active-low reset pulse to initiate system power up. The reset pulse width is adjustable and can be used in conjunction with the over and under pins to accurately sequence the power on or power down operations in the system. In addition, the LM3724IM5X-2.32/NOPB has a reset assertion delay function that can be used to ensure that the power supply has sufficient time to reach its steady-state value before the reset pulse is issued.

The LM3724IM5X-2.32/NOPB is designed to operate in temperatures ranging from -40°C to +85°C. It requires a supply voltage range of 1.65V to 5.5V and can draw up to 3.5mA of operating current. It includes a 2kbit EEPROM that allows for parameters such as reset assertion delay, over and under threshold levels, and other settings to be modified. The EEPROM also retains the settings over power cycling, providing simplicity and reliability for the application.

The LM3724IM5X-2.32/NOPB is a versatile and reliable supervisor circuit for power management applications. It can be used for cost-effective power sequencing and power on/off control in devices that require precise timing control and/or protection from unexpected voltage events. The device\'s wide operating temperature range and reliable operation make it a suitable choice for use in a wide variety of power-managed systems.

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