MIC5370_11 Datasheet, PDF (7/13 Pages) Micrel Semiconductor – High-Performance Dual 150mA LDO 1.6mm x 1.6mm Thin MLF®

Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
100µA
150mA
50mA
V_IN = V_EN = 3.8V
V_OUT = 1.8V
C_OUT = 1µF
010 _{100 1k 10k 100k 1M 10M}
FREQUENCY (Hz)
Ground Current
vs. Input Voltage
40 _50mA
38
36
34 ^150mA
32
30
28
100µA
26
24
V_IN = V_EN = 2.8V
22
V_OUT2 = 1.8V
C_IN = C_OUT = 1µF
220.5 _{3.0 3.5 4.0 4.5 5.0 5.5}
INPUT VOLTAGE (V)
180
160
140
120
100
80
60
40
20
002
Dropout Voltage
vs. Output Current
V_OUT = 2.8V
C_IN = C_OUT = 1µF
55 07 5 100 125 150
OUTPUT CURRENT (mA)
1.2
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
20.5
Enable Voltage
vs. Input Voltage
EN1 ON
EN1 OFF
V_OUT1 = 2.5V
C_IN = C_OUT = 1µF
Load = 150mA
3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
May 2011
Output Voltage
vs. Input Voltage
3.0
LDO1-150mA
2.5
LDO1-100µA
2.0
1.5 LDO2-100µA
1.0
LDO2-150mA
0.5
20.5
V_OUT1 = 2.8V
V_OUT2 = 1.8V
C_IN = C_OUT =1µF
3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
80
70
60
50
40
30
20
10
002
Ground Current
vs. Output Current
Dual Output
Single Output
V_IN = 3.8V
V_OUT1 = 2.8V
V_OUT2 = 1.2V
C_IN = C_OUT = 1µF
55 07 5 100 125 150
OUTPUT CURRENT (mA)
Dropout Voltage
vs. Temperature
250
C_IN = C _OUT = 1µF
200
150m A
150
100m A
100
50mA
50
10mA
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Output Noise
Spectral Density
10
1
0.1
0.01
0.00110
V_IN = 4.5V
V_OUT = 1V
C_OUT1 = C _OUT2 1µF
100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
7
MIC5370/1
Output Voltage
vs. Output Current
2.90
2.85
2.80
2.75
2.7002
V_IN = V_EN = V_OUT + 1V
V_OUT = 2.8V
C_IN = C_OUT = 1µF
55 07 5 100 125 150
OUTPUT CURRENT (mA)
Ground Current
vs. Temperature
60
Dual Outputs(100µA)
50
40
Single Output(50mA)
30
Single Output(100µA)
20
V_IN = V _EN = 3.8V
10
V_OUT1 = 1.8V
V_OUT2 = 2.8V
0
C_IN = C _OUT = 1µF
-40 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Current Limit
vs. Input Voltage
500
400
LDO2
300
LDO1
200
100
20.5
V_OUT1 = 1.8V
V_OUT2 = 2.8V
C_IN = C_OUT = 1µF
3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
M9999-052011-C