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SAM4L_14 Datasheet, PDF (130/176 Pages) ATMEL Corporation – Technology for Ultra-low Power Consumption
ATSAM4L8/L4/L2
Table 9-39. VREG Electrical Characteristics in Switching mode
Symbol
IOUT
Parameter
DC output current(1)
Output DC load regulation(1)
Transient load regulation
Output DC regulation(1)
IQ
PEFF
Quescient current(1)
Power efficiency(1)
Conditions
VVDDCORE > 1.65V
IOUT = 0 to 50mA,
VVDDIN = 3 V
IOUT = 50 mA,
VVDDIN = 2V to 3.6V
VVDDIN = 2V, IOUT = 0 mA
VVDDIN > 2.2V, IOUT = 0 mA
IOUT = 5mA, 50mA
Reference power not included
Min
Typ
-136 -101
-20
38
97
186
97
111
82.7 88.3
1.
These values are based on characterization. These values are not covered by test limits in production.
Table 9-40. Decoupling Requirements in Switching Mode
Symbol Parameter
Technology
CIN1
Input regulator capacitor 1
CIN2
Input regulator capacitor 2
CIN3
Input regulator capacitor 3
COUT1
Output regulator capacitor 1
COUT2
Output regulator capacitor 2
LEXT
External inductance
RDCLEXT
Serial resistance of LEXT
ISATLEXT Saturation current of LEXT
Note: 1. Refer to Section 6. on page 46.
X7R MLCC
X7R MLCC (ex : GRM31CR71A475)
(ex: Murata LQH3NPN220MJ0)
Max
Units
55
mA
-82
mV
99
mV
546
µA
147
95
%
Typ Units
33
nF
100
10
µF
100
nF
4.7
µF
22
µH
0.7
Ω
300
mA
42023GS–SAM–03/2014
130