MIC5280 Datasheet, PDF (6/14 Pages) Micrel Semiconductor – 25mA, 120V, Low IQ, High PSRR LDO

Micrel, Inc.
Typical Characteristics (continued)
0.20
0.18
0.16
0.14
0.12
0.10
0.08
0.06
0.04
0.02
00
Enable Current
vs. Enable Voltage
V_IN = 12V
20 40 60 80 100 120
ENABLE VOLTAGE (V)
V_IN Current
vs. Input Voltage
70
60
50
40
30
20
10
V_OUT = 1.2V
C_IN = 0.18µF
0
C_OUT = 2.2µF
I_OUT = 0A
0 24 48 72 96 120
INPUT VOLTAGE (V)
0.135
Enable Current
vs. Temperature
0.133
0.131
0.129
V_IN=12V
0.127
0.125
0.123
0.121
V_IN=120V
0.119
0.117
0.11-540 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Output Noise
Spectral Density
10
Noise(10Hz to 100kHz)=113µVRMS
V_IN = 3.6V
V_OUT = 3.3V
C_OUT = 2.2µF
1
C_BYP = 0.1µF
Load = 25mA
0.1
0.0110 _{100 1k 10k 100k 1M}
FREQUENCY (Hz)
MIC5280
Low Voltage Behavior
6.5
5.5
4.5
3.5 ^{Load=100µA}
2.5
1.5
0.5
0
1.5
Load=10mA
V_OUT = 5V
C_OUT = 2.2µF
2.5 3.5 4.5 5.5 6.5
INPUT VOLTAGE (V)
January 2009
6
M9999-012209-A