MIC5388 Datasheet, PDF (5/12 Pages) Micrel Semiconductor – Dual 200mA Peak LDO in Wafer Level Chip Scale Package

Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
-100
-90
100µA
-80
-70
-60
-50 50mA
-40
150m` A
-30
-20 ^VIN ^{= V}EN ^{= 4.1V}
-10 ^{VOUT1 = 2.80V}
C_OUT1 = 1µF/10V
0
10
100
1000
10000
FREQUENCY(Hz)
100000
Ground Current
vs. Input Voltage
45
43
41
39
37
150mA
100µA
35
33
31
29 ^{VIN = VEN2}
V_OUT2 = 1.8V
27 _{CIN = COUT = 1μF}
25
2.5
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
Dropout Voltage
vs. Output Current
175
150
125
100
75
50
25
0
0
V_OUT1 = 2.8V
C_IN = C_OUT = 1μF
20 40 60 80 100 120 140 160
OUTPUT CURRENT (mA)
MIC5388/9
3
2.5
2
1.5
1
0.5
0
2.5
Output Voltage
vs. Input Voltage
LDO1 150mA
LDO1 100μA
LDO2 100μA
LDO2 150mA
V_OUT1 = 2.8V
VOUT2 = 1.8V
C_IN = C_OUT = 1μF
3 3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
Ground Current
vs. Output Current
90
80
DUAL OUTPUT
70
60
50
SINGLE OUTPUT
40
30
20
10
0
0
V_IN = 3.8V
V_OUT1 = 2.8V
V_OUT2 = 1.8V
C_IN = C_OUT = 1μF
15 30 45 60 75 90 105 120 135 150
OUTPUT CURRENT (mA)
Dropout Voltage
vs. Temperature
240
220
200
180
160
140
120
100
80
60
40
20
0
-40
C_IN = C_OUT = 1μF
150mA
100mA
50mA
10mA
-20 0 20 40 60 80
TEMPERATURE (°C)
100 120
Output Voltage
vs. Output Current
3.00
2.90
2.80
2.70
2.60
2.50
10
V_IN = V_EN = V_OUT + 1V
V_OUT1 = 2.8V
C_IN = C_OUT = 1µF
30 50 70 90 110 130 150
OUTPUT CURRENT (mA)
Ground Current
vs. Temperature
80
DUAL OUTPUT 100µA
70
60
50
SINGLE OUTPUT 50mA
40
30
20 ^{SINGLE OUTPUT 100µA}
V_IN = V_EN = 3.8V
V_OUT1 = 2.8V
10
V_OUT2 = 1.8V
C_IN = C_OUT = 1µF
0
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Current Limit
vs. Input Voltage
500
400
LDO2
300
200
100
0
2.5
LDO1
V_OUT1 = 2.8V
V_OUT2 = 1.8V
C_IN = C_OUT = 1μF
3
3.5
4
4.5
5
5.5
INPUT VOLTAGE (V)
July 2011
5
M9999-071211-A