LM3702YDTPX-220/NOPB

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PMIC (Power Management and Integrated Circuit) is an important family of electronics components that manage and optimize power output to other devices and circuits. It is a critical component that helps to provide stable and efficient power supply to electronic systems. One such power management device is the LM3702YDTPX-220/NOPB. This device combines high voltage supervisor and voltage monitoring features into a single package.

The LM3702YDTPX-220/NOPB’s application field is designed for supervising and monitoring logic power systems. It is intended for use in a variety of systems, including portable computers, telecom systems, appliances, and consumer products. This device provides either a pulse, reset, or under-voltage shutdown signal as configured by its external components. This makes it ideal for systems with uneven power-rails, such as those with separate gate-drive, DDR, and core voltages, or large supplies that require remote on/off control.

LM3702YDTPX-220/NOPB’s working principle is based on its comparators that compare a factory-preset reference voltage (VTRIP) to the input supply voltage. When the input voltage rises above the trip point, an output signal is generated that can be used to activate a reset, a logic pulse, or an under-voltage shutdown. The output signal is generated from the output buffer current stages, which can be configured to open or drive the output N-FETs, which then actuates the respective reset, pulse, or under-voltage shutdown. This can facilitate decisive shutdowns and supervisions, even in the event of malfunctioning signaling and conditions.

This device is also designed with an active-low Over-Voltage alarm signal, and a signal that transitions from low-to-high when the voltage on the output pin exceeds its OVLO threshold. In order to reduce component count and device size, the LM3702YDTPX-220/NOPB is designed with an on-chip saw-tooth generation LDO for sensing the voltage on the output pin. This allows for greater component flexibility, resulting in a smaller package size.

In conclusion, the LM3702YDTPX-220/NOPB from ON Semiconductor is a unique high voltage supervisor and voltage monitoring device. It is intended for use in a variety of portable computer, telecom, appliance, and consumer product systems. It offers a built-in Over-Voltage alarm for monitoring, a pulse, reset, or under-voltage shutdown signal as configured by its external components, and an on-chip saw-tooth generation LDO for sensing the voltage on the output pin.

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