MIC5256 Datasheet, PDF (5/11 Pages) Micrel Semiconductor – 150mA UCap LDO with Error Flag

MIC5256
Typical Characteristics
Power Supply Rejection Ratio
70
60
50
40
100µA*
50mA*
30
100mA*
20
150mA*
*I_LOAD
10 _{COUT = 1.0µF Ceramic}
0
FREQUENCY (Hz)
Ground Pin Current
130
125
120
115
110
105
1000.1
V = V + 1V
IN OUT
1
10 100 1000
OUTPUT CURRENT (mA)
Ground Pin Current
140
120
100
80
60
40
20
I
LOAD
=
100µA
00 _{0.5 1 1.5 2 2.5 3 3.5 4 4.5 5}
INPUT VOLTAGE (V)
Dropout Voltage
0.14
0.12
0.1
0.08
0.06
0.04
0.02
I
LOAD
=
100µA
-040 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
June 2003
Power Supply Rejection Ratio
70
60
50
40
100µA*
50mA*
30
100mA*
20
150mA*
10 ^*ILOAD
C_OUT = 4.7µF Ceramic
0
FREQUENCY (Hz)
Ground Pin Current
115
113
111
109
107
105
103
101
99
97
I
LOAD
=
100µA
9-540 _{-20 0 20 40 60 80 100120140}
TEMPERATURE (°C)
Ground Pin Current
140
120
100
80
60
40
20
I = 150mA
LOAD
00 _{0.5 1 1.5 2 2.5 3 3.5 4 4.5 5}
INPUT VOLTAGE (V)
Dropout Voltage
180
160
140
120
100
80
60
40
20
I = 150mA
LOAD
-040 -20 0 20 40 60 80 100120140
TEMPERATURE (°C)
5
Micrel
PSRR vs. Voltage Drop
70
I_LOAD = 100µA
60
50
40
I_LOAD = 150mA
30
20
10
C_OUT = 1µF
00 _{200 400 600 800 1000}
VOLTAGE DROP (mV)
Ground Pin Current
125
120
115
110
105
100
I = 150mA
LOAD
9-540 _{-20 0 20 40 60 80 100120140}
TEMPERATURE (°C)
Dropout Characteristics
3.5
3
I
LOAD
=
100µA
2.5
2
I = 150mA
LOAD
1.5
1
0.5
00 _{0.5 1 1.5 2 2.5 3 3.5 4 4.5 5}
INPUT VOLTAGE (V)
Dropout Voltage
180
T = –40C
160
140
120
100
80 _{T = 25C}
60
T = 125C
40
20
00 _{20 40 60 80 100 120 140 160}
OUTPUT CURRENT (mA)
MIC5256