LM8364BALMFX20

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	60 µs Typical Propagation Delay
Voltage - Threshold:	2V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Supplier Device Package:	SOT-23-5
Base Part Number:	LM8364

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PMIC (Power Management Integrated Circuits) is a circuit used to manage and regulate the energy supply to other circuits. These circuits provide a complete power solution from a single IC and can maintain accurate output voltage and reduce electromagnetic interference (EMI). Supervisors are a type of PMIC used to protect circuits from damage due to over-voltage and over-current. One such supervisor is the LM8364BALMFX20 which is designed to protect applications from overvoltage and undervoltage conditions.The LM8364BALMFX20 is designed to be used in a wide range of applications such as power supplies, servers, telecommunication systems, and typical commercial circuits. It provides a range of protection functions such as overvoltage and undervoltage protection, low line UVLO (Undervoltage Lockout) detection, and line transient protection. It is also suitable for battery operated applications which require the detection of the battery voltage and its related protection functions.The LM8364BALMFX20 offers protection over a wide range of input voltages (4.8V to 60V). It is possible to select different voltage thresholds for the device’s active overvoltage (OV) and undervoltage (UV) protection from 6.2V to 34.5V. The device also has a selection pin (OP_SEL) which can be used to select between manual shutdown and reset modes.The device uses a fixed 10ms UV and OV delay time, and it features a low consumption quiescent current of only 7μA. The device has three outputs: OV_STAT, UV_STAT, and PWR_GOOD, which can be used to provide an indication of the device’s status to the host micro-controller. The OV_STAT and UV_STAT outputs are CMOS compatible and can be used to provide an indication of an overvoltage or an undervoltage condition. The PWRGOOD output is a push-pull output with a protection circuit which ensures the correct operation of the output in the case of overcurrent conditions.The working principle of the LM8364BALMFX20 can be summarized as follows. When the input voltage is between the lower and upper thresholds, the device remains in its active state and the PWRGOOD pin is asserted high. When the input voltage drops below the lower OV threshold, the device will immediately switch to its inactive state, the OV and UV_STAT pin are asserted low, and the PWRGOOD pin will switch low. Similarly, when the input voltage rises above the upper UV threshold, the device will switch to its inactive state, the OV and UV_STAT pin will be asserted low, and the PWRGOOD pin will switch low.In conclusion, the LM8364BALMFX20 is a supervisor IC designed to detect and protect applications from overvoltage and undervoltage conditions. It is suitable for a wide range of applications such as power supplies, servers, telecommunication systems, and typical commercial circuits. It offers a range of protection functions with a fixed 10ms UV and OV delay time and a low quiescent current of only 7μA. The device features three outputs which can provide an indication of an overvoltage or an undervoltage condition.

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