Rainbow Electronics AT73C246 - Manual (Page 19)

19
11050A–PMAAC–07-Apr-10
AT73C246
9.8 LDO5
Unless otherwise specified: External components C
OUT
=2.2 µ F, C
IN
=10 μF, T
J
= [-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
V
IN
Operating Supply Voltage V
INSYS
2.7 3.6 5.5 V
I
DD
Supply Current (1)
OFF - - 1 µA
ON - - 7 µA
I
O
Output Current - - 10 mA
V
BACKUP
Output Voltage Accuracy 2.42 2.5 2.58 V
Δ
VDD_VIN
Static Line Regulation V
INSYS
from 2.7 to 5.5V 3 10 mV
Δ
VDD_VIN
Static Line Regulation V
INSYS
=3.6V, I
O
from 0 to I
OMAX
10 15 mV
I
INRUSH
Inrush Current
Current from V
INSYS
from 0 to
T
START(MAX)
. V
BACKUP
= 2.5V
180 350 mA
T
START
Start-up Time
V
BACKUP
OFF and rising to 95% of
final value.
1 ms