LM3707XQBP-308/NOPB

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Power Management Integrated Circuit (PMIC) Supervisors are designed to protect many different types of circuit boards, and the LM3707XQBP-308/NOPB is one such solution. In addition to monitoring the voltage and current levels on these boards, this supervisor is also capable of providing overvoltage, undervoltage and overcurrent protection as well as overtemperature protection.

The LM3707XQBP-308/NOPB belongs to a family of power supervisors that combine a low VDE and regulated voltage source, a high side series pass N-MOSFET, a dual-input MOSFET driver, a reset generator, an integrated watchdog timer and an overtemperature reset with two N-MOSFETs to provide overcurrent and overtemperature protection for an adaptive power system.

The LM3707XQBP-308/NOPB is designed for use in medical, industrial, and military applications where extremely low quiescent current, high threshold accuracy and small size are essential. The device features a low quiescent current of 10µA, and high threshold accuracy of ±8mV to ±20mV.

The voltage supervisor has both reset and external interrupt outputs. The reset output is active low when any of the integrated components detect an overvoltage, undervoltage or overcurrent condition. The external interrupt is an open-drain output that can be used as an indication of an overvoltage, undervoltage, or overcurrent condition or as a power-on reset output.

The LM3707XQBP-308/NOPB provides a variable-voltage reset on its output. This reset is adjustable over a wide range of 4.17V to 6.40V and can be set using a single external resistor. In addition, the device provides controlled switch-on for additional power supply sequencing.

The LM3707XQBP-308/NOPB works by monitoring a variety of power conditions on the circuit board it is connected to. The supervisor is able to detect and respond when a voltage becomes too high, too low, or an overcurrent is present. The integrated components of the device then respond by resetting any of these conditions, which helps to protect the circuit board.

The LM3707XQBP-308/NOPB features a maximum operating voltage of 8V and a minimum operating temperature of -40°C. It is designed to withstand a wide temperature range, up to a maximum of 125°C. The supervisor also has a Pd MAX (maximum power dissipation rating) of 700mW, as well as a Junction-to-Ambient Thermal Resistance of 89°C/W.

The LM3707XQBP-308/NOPB can be used in a wide range of applications. It is especially well suited for use in automotive, automotive bus systems, general-purpose power supplies, industrial control systems, instrumentation, and low voltage memory boards.

The LM3707XQBP-308/NOPB is a powerful and reliable solution for protecting electronic components on a wide variety of circuit boards. It is easy to configure using only a single external resistor, and the device features a low quiescent current and high threshold accuracy. With its integrated components, the LM3707XQBP-308/NOPB provides reliable overvoltage, undervoltage and overcurrent protection as well as outstanding overtemperature protection.

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