MIC2210 Datasheet, PDF (6/12 Pages) Micrel Semiconductor – Dual Cap LDO with Open-Drain Driver

MIC2210
Typical Characteristics
P S R R Output 1
80
C _{BY P} = 100nF
60
C _{BY P} = 10nF
40
C _{BY P} = 1nF
20 _{V IN = V OUT + 1}
I_OUT = 150mA
C _OUT = 1µF
00.01 0.1 1
10 100
FREQUENCY (kHz)
1000
P S R R Output 2
80
C _{BY P} = 100nF
60
C _{BY P} = 10nF
40
C _{BY P} = 1nF
20 _{V IN = V OUT + 1}
I_OUT = 300mA
C _OUT = 1µF
00.01 0.1 1
10 100
FREQUENCY (kHz)
1000
10E-6
S pec tral Nois e
Dens ity Output 2
100µA Load
1E-6
100E-9 _{C OUT = 1µF}
C = 1µF
IN
C _{B Y P} = 0.01µF
10E-9
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
Dropout V oltage
Output 1
150
150mA load
100
50
0-40 _{-20 0 20 40 60 80 100 120 140}
TEMPERATURE (°C)
Ground Current
vs . Output 1 C urrent
60
50
40
30
20
10
00 _{20 40 60 80 100 120 140}
OUTPUT 1 LOAD CURRENT (mA)
Dropout C harac teris tic s
Output 1
3
2.5
2 _100µA
1.5
150mA
1
0.5
00 _{1 2 3 4 5}
SUPPLY VOLTAGE (V)
Dropout V oltage
Output 2
350
300 _{300mA load}
250
200
150
100
50
0-40 _{-20 0 20 40 60 80 100 120 140}
TEMPERATURE (°C)
Ground Current
vs . Output 2 C urrent
60
50
40
30
20
10
00 _{50 100 150 200 250 300}
OUTPUT 2 LOAD CURRENT (mA)
MIC2210
6
Micrel
10E-6
S pec tral Nois e
Dens ity Output 1
100µA Load
1E-6
100E-9 _{C OUT = 1µF}
C = 1µF
IN
C _{B Y P} = 0.01µF
10E-9
10 100 1k 10k 100k 1M
FREQUENCY (Hz)
Dropout C harac teris tic s
Output 2
3
2.5
2 _100µA
1.5
300mA
1
0.5
00 _{1 2 3 4 5}
SUPPLY VOLTAGE (V)
Ground Current
vs . S upply V oltage
60 _{Output 1 and 2}
with 100µA load
50
40
30
20
10
00 _{1 2 3 4 5 6}
SUPPLY VOLTAGE (V)
Ground Pin C urrent
60
1mA
50
100µA
40
0µA
30
20
10
Load on both outputs
0
TEMPERATURE (°C)
November 2004