MIC5355 Datasheet, PDF (5/18 Pages) Micrel Semiconductor – Dual 500mA μCap Low Dropout, Micropower Linear Regulator

Micrel, Inc.
Typical Characteristics
Power Supply Rejection Ratio
-80
-70
250mA
-60
-50
500mA
-40
-30
100µA
-20 VEN = VIN = 2.82V
V_OUT = 1.8V
-10 _{COUT = 2.2µF}
0
10
100
1000
10000
FREQUENCY (Hz)
100000
Output Voltage
vs. Output Current (V_OUT1)
2.7
2.6
2.5
2.4
2.3
V_IN = V_EN1 = 3.5V
V_OUT1 = 2.5V
C_IN = C_OUT = 2.2μF
2.2
0
100
200
300
400
500
OUTPUT CURRENT (mA)
Ground Current vs. Input
Voltage (Dual Output)
120
105
90
500mA
75
60
45
NO LOAD
30
V_OUT1 = 2.5V, V_OUT2 = 1.8V
C_IN = C_OUT = 2.2μF
15 _{VEN1 = VEN2 = VIN}
0
2.5
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
3
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2
2.5
Output Voltage
vs. Input Voltage
100μA
500mA
C_IN = C_OUT = 2.2μF
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
Output Voltage
vs. Output Current (V_OUT2)
2
1.9
1.8
1.7
V_IN = V_EN2 = 3.5V
V_OUT2 = 1.8V
1.6
C_IN = C_OUT = 2.2μF
1.5
0
100
200
300
400
500
OUTPUT CURRENT (mA)
Ground Current
vs. Output Current
120
105
90
DUAL OUTPUT
75
SINGLE OUTPUT
60
45
30 _{VIN = 3.5V}
15 C_IN = C_OUT = 2.2μF
0
0 50 100 150 200 250 300 350 400 450 500
OUTPUT CURRENT (mA)
MIC5355/6
Output Voltage
vs. Input Voltage
2
1.9
100μA
1.8
500mA
1.7
1.6
2.5
C_IN = C_OUT = 2.2μF
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
Ground Current vs.
Input Voltage (Single Output)
65
60
55
50
500mA
45
40
35
30
25
20 ^VOUT2 ^{= 1.8V}
15
10
5
C_IN = C_OUT = 2.2μF
V_EN1 = GND, V_EN2 = V_IN
0
2.5 3 3.5 4 4.5
NO LOAD
5 5.5
INPUT VOLTAGE (V)
Ground Current
vs. Temperature (Single Output)
70
65
500mA
60
55
50
45
40
35
30
25
NO LOAD
20
15
10
5
0
-40 -20 0 20
V_OUT1 =2.5V
V_EN1 = V_IN = 3V
V_EN2 = GND
C_IN = C_OUT = 2.2μF
40 60 80 100 120
TEMPERATURE (°C)
March 2012
5
M9999-031512-A