PST575LM データシートの表示（PDF） - Mitsumi

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PST575LM

System Reset Monolithic IC

Mitsumi 

MITSUMI

3. Battery checker (LED ON for high voltage)

System Reset PST575

Note: Connect a capacitor between IC pins 1 and 2 if

VCC line impedance is high.

4. Battery checker (LED ON for low voltage)

Note: Connect a capacitor between IC pins 1 and 2 if

VCC line impedance is high.

5. Hysteresis voltage UP method

When increasing hysteresis voltage for stable system

operation, determine RH as follows and connect

externally.

However, ICCH is -5000PPM/°C, so perform

temperature compensation at RH when using over a

wide temperature range.

Hysteresis voltage UP amount ( Vsup) is

Vsup =·· RH ICCL

Total hysteresis voltage ( Vstotal) is

Vstotal =·· Vs+ Vsup

(Operation will be destabilized is RH is raised too

much.)

Note: Connect a capacitor between IC pins 1 and 2 if

VCC line impedance is high.

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