MIC5380 Datasheet, PDF (6/12 Pages) Micrel Semiconductor – High Performance Dual 150mA LDO 1mm x 1mm Thin MLF

Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
100µA
V_IN = V_EN = 3.8V
V_OUT = 2.8V
C_OUT = 1µF
010 _{100 1k 10k 100k 1M}
FREQUENCY (Hz)
Ground Current
vs. Input Voltage
40
50mA
38
36
34 ^150mA
32
30
28
100µA
26
24
V_IN = V_EN
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
00
Dropout Voltage
vs. Output Current
V_OUT = 2.8V
C_IN = C_OUT = 1µF
25 50 75 100 125 150
OUTPUT CURRENT (mA)
Enable Voltage
vs. Input Voltage
1.0
0.8
EN1 ON
0.6
EN1 OFF
0.4
0.2
03.0
V_OUT1 = 2.8V
C_IN = C_OUT = 1µF
Load = 150mA
3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
November 2008
Output Voltage
vs. Input Voltage
3.0
LDO1-150mA
2.5
LDO1-100µA
2.0
1.5 LDO2-100µA
LDO2-150mA
1.0
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)
Ground Current
vs. Output Current
80
70
Dual Output
60
50
Single Output
40
30
V_EN = V_IN = V_OUT + 1V
20
V_OUT1 = 2.8V
10
V_OUT2 = 1.2V
C_IN = C_OUT = 1µF
00 _{25 50 75 100 125 150}
OUTPUT CURRENT (mA)
Dropout Voltage
vs. Temperature
250
C_IN = C_OUT = 1µF
200
150mA
150
100mA
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 = 1.2V
C_OUT = 1µF
100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
6
MIC5380/1
2.90
2.88
2.86
2.84
2.82
2.80
2.78
2.76
2.74
2.72
2.700
Output Voltage
vs. Output Current
VIN=3.8V
VIN=4.8V
VIN=5.5V
V_IN = V_EN
V_OUT = 2.8V
C_IN = C_OUT = 1µF
25 50 75 100 125 150
OUTPUT CURRENT (mA)
Ground Current
vs. Temperature
65
Dual Output(100µA)
60
55
50
V_IN = V_EN = 3.8V
V_OUT1 = 2.8V
45 ^{VOUT2 = 1.8V}
C_IN = C_OUT = 1µF
40
35
Single Output(50mA)
30
Single Outputs(100µA)
25
2-040 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
Current Limit
vs. Input Voltage
500
400
LDO1
300
LDO2
200
100
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)
M9999-110608-A