MIC5253 Datasheet, PDF (4/9 Pages) Micrel Semiconductor – 100mA Low Noise UCap Teeny LDO

MIC5253
Typical Characteristics
Power Supply Rejection Ratio
80
70
60
50
100µA
40
1mA
30
10mA
20
100mA
10
V_OUT
V=
= 1.8V
2.8V
IN
C_OUT = 1µF
C_BYP = 0.1µF
0
100 1k 10k 100k 1M
FREQUENCY (Hz)
Ground Pin Current
90
88
86
84
82
80
78
76
74
72
I = 100mA
LOAD
7-040 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Ground Pin Current
90
80
70
60
50
40
30
20
10
I = 100mA
LOAD
00
1
2
3
4
5
INPUT VOLTAGE (V)
Dropout Voltage
350
300
250
200
–40°C
150
100
50
00
25°C
125°C
V_IN = 3.6V
V_OUT = 2.6V
25 50 75 100 125 150
OUTPUT CURRENT (mA)
M9999-081804
Power Supply Rejection Ratio
80
70
60
50
100µA
40
1mA
30
10mA
20
100mA
10 ^{VOUT = 1.8V}
V_IN = 2.8V
C_OUT = 1µF
C_BYP = 0.01µF
0
100 1k 10k 100k 1M
FREQUENCY (Hz)
Ground Pin Current
84
82
80
78
76
74
72
I
LOAD
=
100µA
7-040 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Dropout Characteristics
2
1.8
1.6
I = 100mA
1.4
LOAD
1.2
I
LOAD
=
100µA
1
0.8
0.6
0.4
0.2
V = 1.85V
OUT
00 _{0.5 1 1.5 2 2.5 3 3.5 4 4.5 5}
INPUT VOLTAGE (V)
Short Circuit Current
290
270
250
230
210
190
170
1520.5 _{2.7 2.9 3.1 3.3 3.5 3.7 3.9}
INPUT VOLTAGE (V)
4
Micrel
Ground Pin Current
88
87
86
85
84
83
82
V_OUT =1.8V
V_IN = V_OUT + 1V
810 _{25 50 75 100 125 150}
OUTPUT CURRENT (mA)
Ground Pin Current
80
70
60
50
40
30
20
10
I
LOAD
=
100µA
00
1
2
3
4
5
INPUT VOLTAGE (V)
Dropout Voltage
250
200
150
100
50
V_IN = 3.6V
V_OUT = 2.6V
I_LOAD = 100mA
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Output Voltage
vs. Temperature
2.7
2.65
2.6
2.55
I
LOAD
=
100µA
V_OUT = 2.6V
V_IN = 3.6V
2.-540 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
August 2004