MIC5375 Datasheet, PDF (6/18 Pages) Micrel Semiconductor – High Performance Low Dropout 150mA LDO

Micrel, Inc.
Typical Characteristics
PSRR
100µA
50mA
150mA
V_IN = V_OUT = + 1V
V_OUT = 2.8V
C_OUT = 1µF
0
10
1k
100k
FREQUENCY (Hz)
Ground Current
vs. Temperature
60
150mA 100mA
50
40
100µA
30
50mA
20
V
IN
=
V
EN
=
V
OUT
+
1V
V = 2.8V
10
OUT
C=
C
= 1µF
IN OUT
00 _{25 50 75 100 125}
TEMPERATURE (°C)
Output Voltage
vs. Supply Voltage
2.9
V =V =V +1
EN IN OUT
2.86
V
OUT
=
2.8V
C = C = 1µF
IN OUT
2.82
100µA
2.78
150mA
2.74
2.73 _{3.5 4 4.5 5 5.5}
SUPPLY VOLTAGE (V)
Output Voltage
vs. Temperature
3
V =V =V +1
IN EN OUT
V = 2.8V
OUT
2.9 _{C = C = 1µF}
IN OUT
2.8
2.7
2.6
TEMPERATURE (°C)
January 2009
Current Limit
vs. Input Voltage
550
C = C = 1µF
IN OUT
500
V
OUT
=
2.8V
450
400
350
3020.5 _{3 3.5 4 4.5 5 5.5}
INPUT VOLTAGE (V)
Output Voltage
vs. Load Current
3
V = V = V + 1V
IN EN OUT
V = 2.8V
OUT
2.9 _{C = C = 1µF}
IN OUT
2.8
2.7
2.60 _{25 50 75 100 125 150}
OUTPUT CURRENT (mA)
Ground Current
vs. Supply Voltage
55
50
150mA
45
40
100mA
35
30
25
V=
IN
V
EN
100µA
V = 2.8V
20 ^OUT
C = C = 1µF
153
IN OUT
3.5 4
4.5
5
5.5
SUPPLY VOLTAGE (V)
Output Noise Spectral Density
10
1
0.1
0.01 _{VIN = VOUT + 1V}
V_OUT = 2.8V
C_OUT = 1µF
0.001
10
1k
100k
FREQUENCY (Hz)
6
MIC5375/6/7/8
50
45
404.0
35
30
25
20
150
Ground Current
vs. Output Current
V = V = V +1V
IN EN OUT
V = 2.8V
OUT
25 50 75 100 125 150
OUTPUT CURRENT (mA)
Dropout Voltage
vs. Load Current
140
V = 2.8V
OUT
120 _{C = C = 1µF}
IN OUT
100
80
60
40
20
00 _{25 50 75 100 125 150}
LOAD CURRENT (mA)
Dropout Voltage
vs. Temperature
160
150mA
140
120
100
V = 2.8V
80 ^OUT
60
100mA
50mA
40
20
C
IN
= C = 1µF
OUT
10mA
0
TEMPERATURE (°C)
M9999-011309-B