DS1260 データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1260

Smart Battery

Dallas Semiconductor -> Maxim Integrated 

POWER-DOWN/POWER-UP CONDITION

DS1260

WARNING:

Under no circumstances are negative undershoots, of any amplitude, allowed when device is in battery

backup mode.

Water washing for flux removal may discharge internal lithium source as exposed voltage pins are

present.

NOTES:

1. Voltages are referenced to ground.

2. Load capacity is 50 pF.

3. Measured with Pins 11, 12, 13, and 3 open.

4. VTP is the point that PF is driven low.

5. Sustained ICCO2 currents above 1 mA cause a significant drop in battery voltage.

6. VBAT is the internal lithium energy source voltage.

7. VBATF is the point that BF is driven low.

8. Battery leakage is the internal energy consumed by the DS1260.

9. Storage loss is less than 1% per year at 25°C.

10. VCCI = +5 volts; tA = 25°C.

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