MIC5387 Datasheet, PDF (4/12 Pages) Micrel Semiconductor – Ultra-Small Triple 150mA Output LDO

Micrel, Inc.
Typical Characteristics
Power Supply Rejection Ratio
(PSRR)
-100
-90
I_OUT =100µA
-80
-70
-60
-50 _IOUT=150mA
-40
-30
-20
-10
0
10
V_OUT=1.5V
C_OUT=1µF
100
1000 10000 100000
FREQUENCY(Hz)
Ground Current (V_OUT1=3.3V)
vs. Supply Voltage
40
150mA
38
36
50mA
34
32
30
100µA
28
26
2.5 2.8 3.1 3.4 3.7
V_EN2/3=0V
V_OUT=3.3V
C_IN=C_{OUT 1}=1µF
Single Output
4 4.3 4.6 4.9 5.2 5.5
SUPPLY VOLTAGE(V)
Output Voltage (V_OUT1=3.3V)
vs. Supply Voltage
3.5
3.4 ^100µA
3.3
3.2
50mA
3.1
3.0
2.9
150mA
2.8
2.7
CIN=COUT 1=1µF
2.6
V_OUT =3.3V
2.5
2.5 3 3.5 4 4.5 5 5.5
SUPPLY VOLTAGE (V)
Output voltage (V_OUT3=1.2V)
vs. Supply Voltage
1.3
1.25
1mA
1.2
50mA
1.15
1.1
2.5
150mA
V_EN2/3=V_IN
V_OUT=1.2V
C_IN=C_{OUT 3}=1µF
3 3.5 4 4.5 5 5.5
SUPPLY VOLTAGE (V)
April 2010
160
150
140
130
120
110
100
90
80
70
60
50
40
30
20
10
0
0
Dropout Voltage
vs. Output Current
VOUT 1=3.3V
C_IN=C_{OUT 1}=1µF
20 40 60 80 100 120 140 160
OUTPUT CURRENT (mA)
Ground Current (All V_OUTs)
vs. Supply Voltage
120
VIN=VEN2/3=4.3V
115 _VOUT1=3.3V
150mA
110
105
100
100µA
95
50mA
90
85
V_OUT2=1.8V V_OUT3=1.5V
C_IN=C_{OUT 1}=C_{OUT 2} =C_{OUT 3} =1µF
80
2.5 2.8 3.1 3.4 3.7 4 4.3 4.6 4.9 5.2 5.5
SUPPLY VOLTAGE (V)
Output Voltage (V_OUT2=1.8V)
vs. Supply Voltage
1.9
1.85
1mA
1.8
1.75
1.7
2.5
150mA
50mA
V_EN2/3=V_IN
VOUT =1.8V
C_IN=C_OUT2=1µF
3 3.5 4 4.5 5 5.5
SUPPLY VOLTAGE (V)
Output Voltage (V_OUT1=3.3V)
vs. Temperature
3.5
3.4
3.3
3.2
VIN=4.3V
V_OUT =3.3V
3.1 _{CIN=COUT1=1µF}
I_{OUT 1}=150m A
3
-40 -20 0 20 40 60 80
TEMPERATURE(°C)
100 120
4
MIC5387
Dropout Voltage
vs. Temperature
200
180 ^VOUT1=3.3V
160 ^{CIN=COUT1=1µF}
140
120
100mA
100
150mA
80
60
50mA
40
10mA
20
0
-40 -20
0 20 40 60 80 100 120
TEMPERATURE(°C)
Ground Current (V_OUT1=3.3V)
vs. Temperature
40
39 ^150mA
38
37
36
35
34
50mA
33
32
100µA
31
30
29
V_IN=4.3V
28
27
V_OUT =3.3V
26
C_IN=C_OUT1=1µF
25
-40 -20 0 20 40 60 80 100 120
TEMPERATURE(°C)
Output Voltage (V_OUT3=1.5V)
vs. Supply Voltage
1.6
1.55
1mA
50mA
1.5
1.45
1.4
2.5
`
150mA
VEN2/3=VIN
V_OUT=1.5V
C_IN=C_{OUT 3}=1µF
3 3.5 4 4.5 5 5.5
SUPPLY VOLTAGE (V)
Output Voltage (V_OUT2=1.8V)
vs. Temperature
2
1.8
1.6
1.4 VIN=VEN2/3=2.8V
V_OUT =1.8V
1.2 ^CIN^=COUT2^=1µF
IOUT2=150mA
1
-40 -20
0 20 40 60 80 100 120
TEMPERATURE(°C)
M9999-041610-A