MIC5355 Datasheet, PDF (6/18 Pages) Micrel Semiconductor – Dual 500mA μCap Low Dropout, Micropower Linear Regulator

Micrel, Inc.
Typical Characteristics (Continued)
Ground Current
vs. Temperature (Dual Output)
120
500mA
100
80
60
NO LOAD
40
V_OUT1 = 2.5V, V_OUT2 = 1.8V
20
V_EN1 = V_EN2 = V_IN = 3.5V
C_IN = C_OUT = 2.2μF
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Dropout Voltage
vs. Temperature
450
C_IN = C_OUT = 2.2μF
400
350
500mA
300
300mA
250
200
150mA
150
100
50mA
50
0
-40 -20 0
20 40 60 80 100 120
TEMPERATURE (°C)
Current Limit
vs. Input Voltage
900
850
V_OUT1 = 2.5V
800
750
700
650
600
2.5
V_OUT2 = 1.8V
C_IN = C_OUT = 2.2μF
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
Output Noise Spectral Density
1
0.1
0.01
V_IN = 3.5V
V_OUT2 = 1.81V
C_IN - C_OUT = 2.2µF
Noise (10Hz to 100Khz) =146µVrms
0.001
10
100 1000 10000 100000 1000000
FREQUENCY (Hz)
MIC5355/6
Dropout Voltage
vs. Output Current
350
300
250
200
150
100
50
0
0
V_OUT1 = 2.5V
C_IN = C_OUT = 2.2μF
100
200
300
400
500
OUTPUT CURRENT (mA)
March 2012
6
M9999-031512-A