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MIC5255 Datasheet(PDF) 5 Page - Micrel Semiconductor

Part # MIC5255
Description  150mA Low Noise UCap CMOS LDO
PDF  11 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC5255 Datasheet(HTML) 5 Page - Micrel Semiconductor

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August, 2004
5
M0385-080204
MIC5255
Micrel
Typical Characteristics
0
10
20
30
40
50
60
70
FRQUENCY (Hz)
100
µA*
50mA*
100mA*
150mA*
Power Supply Rejection Ratio
*I
LOAD
C
OUT = 1µF Ceramic
0
10
20
30
40
50
60
70
FRQUENCY (Hz)
100
µA*
50mA*
100mA*
150mA*
Power Supply Rejection Ratio
* I
LOAD
C
OUT = 4.7µF Ceramic
0
10
20
30
40
50
60
70
FRQUENCY (Hz)
0
µF*
0.01
µF*
0.1
µF*
1.0
µF*
Power Supply Rejection Ratio
* C
BYP
I
LOAD = 50mA
V
IN = VOUT + 0.5V
C
OUT = 1µF Ceramic
0
10
20
30
40
50
60
70
80
0
200
400
600
800
1000
VOLTAGE DROP (mV)
PSRR vs. Voltage Drop
I
LOAD = 100µA
I
LOAD = 150mA
C
OUT = 1µF
C
BYP = 0.01µF
100
105
110
115
120
125
130
0.1
1
10
100
1000
OUTPUT CURRENT (mA)
Ground Pin Current
V
IN = VOUT + 1V
95
97
99
101
103
105
107
109
111
113
115
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (
°C)
Ground Pin Current
I
LOAD
= 100
µA
95
100
105
110
115
120
125
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (
°C)
Ground Pin Current
I
LOAD
= 150mA
0
20
40
60
80
100
120
140
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
INPUT VOLTAGE (V)
Ground Pin Current
I
LOAD
= 100
µA
0
20
40
60
80
100
120
140
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
INPUT VOLTAGE (V)
Ground Pin Current
I
LOAD
= 150mA
0
0.5
1
1.5
2
2.5
3
3.5
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
INPUT VOLTAGE (V)
Dropout Characteristics
I
LOAD
= 150mA
I
LOAD
= 100
µA
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
-40 -20 0 20 40 60 80 100120140
TEMPERATURE (
°C)
Dropout Voltage
I
LOAD
= 100
µA
0
10
20
30
40
50
60
70
0
200
400
600
800
1000
VOLTAGE DROP (mV)
PSRR vs. Voltage Drop
I
LOAD = 100µA
I
LOAD = 150mA
C
OUT = 1µF
C
BYP = 0



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