Rainbow-electronics AT73C246 Manual de usuario descargar pdf (Pagina 19)

11050A–PMAAC–07-Apr-10

AT73C246

9.8 LDO5

Unless otherwise specified: External components C

OUT

=2.2µF, C

=10μF, T

= [-40°C ; +125°C].

Note: 1. Current consumption in V

INSYS

without plugged backup battery

Table 9-9. LDO5 Electrical Characteristics

Symbol Parameter Comments Min Typ Max Units

Operating Supply Voltage V

INSYS

2.7 3.6 5.5 V

Supply Current

(1)

OFF - - 1 µA

ON - - 7 µA

Output Current - - 10 mA

BACKUP

Output Voltage Accuracy 2.42 2.5 2.58 V

VDD_VIN

Static Line Regulation V

INSYS

from 2.7 to 5.5V 3 10 mV

VDD_VIN

Static Line Regulation V

INSYS

=3.6V, I

from 0 to I

OMAX

10 15 mV

INRUSH

Inrush Current

Current from V

INSYS

from 0 to

START(MAX)

. V

BACKUP

= 2.5V

180 350 mA

START

Start-up Time

BACKUP

OFF and rising to 95% of

final value.

1ms

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 158 159

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Rainbow-electronics AT73C246 Manual de usuario Pagina 19

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