
61
32117DS–AVR-01/12
AT32UC3C
7.8
Analog Characteristics
7.8.1
1.8V Voltage Regulator Characteristics
7.8.2
3.3V Voltage Regulator Characteristics
7.8.3
1.8V Brown Out Detector (BOD18) Characteristics
The values in
Table 7-21 describe the values of the BOD.LEVEL in the SCIF module.
Table 7-18.
1.8V Voltage Regulator Electrical Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
VDDIN_5
Input voltage range
5V range
4.5
5.5
V
3V range
3.0
3.6
V
VDDCORE
Output voltage, calibrated value
1.85
V
IOUT
DC output current
80
mA
Table 7-19.
Decoupling Requirements
Symbol
Parameter
Condition
Typ
Techno.
Units
C
IN1
Input regulator capacitor 1
1
NPO
nF
CIN2
Input regulator capacitor 2
4.7
X7R
uF
COUT1
Output regulator capacitor 1
470
NPO
pf
C
OUT2
Output regulator capacitor 2
2.2
X7R
uF
Table 7-20.
3.3V Voltage Regulator Electrical Characteristics
Symbol
Parameter
Condition
Min
Typ
Max
Units
V
VDDIN_5
Input voltage range
4.5
5.5
V
VVDDIN_33
Output voltage, calibrated value
3.4
V
I
OUT
DC output current
35
mA
I
VREG
Static current of regulator
Low power mode
10
A
Table 7-21.
BODLEVEL Values
BODLEVEL Value
Parameter
Min
Max
Units
0
1.29
1.58
V
20
1.36
1.63
26
threshold at power-up sequence
1.42
1.69
28
1.43
1.72
32
1.48
1.77
36
1.53
1.82
40
1.56
1.88