NCV78M00 查看數據表（PDF） - ON Semiconductor

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NCV78M00

NCV890103 Evaluation Board User'sManual

ON Semiconductor 

NCV890103GEVB

A small filtering delay (of duration tPG) ensures that the

RSTB signal doesn’t toggle from high to low in case of high

frequency noise when the output is in regulation.

A pull-up resistor is needed on the RSTB pin, as it features

an open collector output, capable of sinking 1 mA minimum

at 400 mV.

VOUT

The RSTB pin is also pulled low in case of UVLO (VIN

below the UVLO threshold), TSD (temperature shutdown)

or Disable (VEN below the enable threshold) events.

DELAY

VDELU

VDELTH

RSTB

time

time

tRESU

time

Figure 6. Typical Operation of the Reset with Delay Function

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