Rainbow Electronics AT73C246 - Manual (Page 15)

15
11050A–PMAAC–07-Apr-10
AT73C246
Notes: 1. Current consumption without load. One DCDC converter ON, the other one OFF.
2. Default output voltage are set during manufacturing. Please contact Atmel for other default settings.
3. Threshold levels are programmed in register PMU_RST_LVL (0x04)
OCP Over-Current Protection Output current. 1 1.4 1.8 A
T
START
Start-up Time
From OFF to PWM operation.
V
DD(0,1)
rising to 95% of final value.
5 ms
T
PWM
PFM to PWM Settling Time No output load. 10 µs
PWRF
DET
Power Fail Detector Threshold
Accuracy Overload of the programmed
threshold by 10mV / 5us min
(3) .
-1 - +1 %.V
DD
C
OUT
Total Capacitive Load At V
FB{0,1}
pins. 8 36 µF
Table 9-5. DCDC0 and DCDC1 Electrical Characteristics
Symbol Parameter Comments Min Typ Max Units