NCP305LSQ25T1G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	--
Voltage - Threshold:	2.5V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SC-82A, SOT-343
Supplier Device Package:	SC-82AB
Base Part Number:	NCP305

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Introduction of NCP305LSQ25T1G

NCP305LSQ25T1G is one of the supervisory ICs (integrated circuits) produced by ON Semiconductor, and is part of the NCP30xLS family of products. It is a specifically designed low-power supervisory device with a unique flexibility feature that can extend the battery operating life of the application and simplify hardware design in various devices, such as embedded systems, and industrial and consumer designs. NCP305LSQ25T1G is a slice of a high-precision, low-power power supply supervisor designed to support a variety of system reset functions.

NCP305LSQ25T1G Application Field and Working Principle

NCP305LSQ25T1G is mainly used in battery-oriented embedded systems, industrial and consumer designs. It can provide an adjustable reset voltage, from 0.5V to 5.5V, to reset an electronic device. The reset delay time is adjustable from a minimum of 3ms to a maximum of 3s. With a maximum operating current of 1.1µA, NCP305LSQ25T1G enhances battery-operated designs and improves system stability, as well as simplifying form factor and cost.

Application fields:

- portable consumer electronic devices- battery-oriented embedded systems- digital cameras- game consoles- MP3 players

Working Principle:

NCP305LSQ25T1G is a supervisor with memory retention and power monitoring. It monitors the system supply voltage, and when the voltage drops below the reset threshold, the output generates a reset signal to the system. A positive going transition above the reset threshold will terminate the reset signal. To protect against generated false reset signals, a delay is included with the output transition. The delay time ranges from 3ms to 3s. The reset voltage is adjustable, from 0.5V to 5.5V, which simplifies hardware design, extends battery life and improves system stability. Moreover, the device includes memory retention and a power-on reset function.

Conclusion

The NCP305LSQ25T1G is a slice of a high-precision, low-power power supply supervisor designed to support a variety of system reset functions. It is mainly used in battery-oriented embedded systems, industrial and consumer designs. It can provide an adjustable reset voltage, from 0.5V to 5.5V, to reset an electronic device. The reset delay time is adjustable from a minimum of 3ms to a maximum of 3s. With a maximum operating current of 1.1µA, NCP305LSQ25T1G enhances battery-operated designs and improves system stability, as well as simplifying form factor and cost.

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