MIC5385 Datasheet, PDF (4/13 Pages) Micrel Semiconductor – Ultra Small Triple 150mA Output LDO

Micrel, Inc.
Typical Characteristics
Power Supply Rejection Ratio
-100
-90
100µA
-80
-70
-60
-50
150mA
-40
-30
-20 _{VOUT = 1.5V}
-10 _{COUT = 1µF}
0
10
100
1000
10000
Frequency(Hz)
100000 1000000
Ground Current vs Supply Voltage
(single output)
42
40 _50mA
38
36
150mA
34
100µA
32
V_IN = V_EN2
V_EN1 = V_EN3 = 0V
V_OUT2 = 1.8V
C_IN = C_OUT2 = 1µF
30
28
2.5 3 3.5 4 4.5 5 5.5
Supply Voltage(V)
Ground Current vs Temperature
(single output)
41
150mA
39
37
35
50mA
33
31
29
27
25
-40
100µA
V_IN = V_EN1 = 4.3V
V_EN2 = V_EN3 = 0V
V_OUT1 = 3.3V
C_OUT1 = 1µF
-20 0 20 40 60 80 100 120
Te mpe r ature (°C)
Output Voltage vs Supply Voltage
(VOUT = 1.5V)
1.6
1.55
1mA
1.5
1.45
150mA
1.4
2.5 3
50mA
V_EN3 = V_IN
V_OUT3 = 1.5V
C_IN = C_OUT3 = 1µF
3.5 4 4.5 5 5.5
Supply Voltage (V)
December 2009
Dropout Voltage vs Output Current
160
140
120
100
80
60
40
V_OUT1 = 3.3V
C_IN = C_OUT1 = 1µF
20
0
0
25 50 75 100 125 150
Output Current (mA)
Ground Current vs Supply Voltage
(single output)
42
40
150mA
38
36
V_IN = V_EN3
34
50mA
V_EN1 = V_EN2 = 0V
V_OUT3 = 1.5V
32
100µA
C_IN = C_OUT3 = 1µF
30
28
2.5 3 3.5 4 4.5 5 5.5
Supply Voltage(V)
Output Voltage vs. Supply Voltage
(V_OUT = 3.3V)
3.5
50mA
3.4
3.3 _100µA
3.2
3.1
150mA
3.0
2.9
2.8
V_EN1 = V_IN
2.7
C_IN = C_OUT1 = 1µF
2.6
V_OUT1 = 3.3V
2.5
2.5 3 3.5 4 4.5 5 5.5
Supply Voltage (V)
Output Voltage vs Temperature
(VOUT = 3.3V)
3.5
3.4
3.3
3.2
V_IN = V_EN1 = V_OUT1+1V
V_OUT1 = 3.3V
3.1
C_IN = C_OUT1 = 1µF
IOUT1 = 150mA
3
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
4
MIC5385
Dropout Voltage vs Temperature
200
150mA
180
160
140
100mA
120
100
80
50mA
60
40
10mA
20
0
-40 -20 0 20 40 60 80 100 120
Temperature (°C)
Ground Current vs Supply Voltage
(All outputs)
120
150mA
115
50mA
110
105
100
100µA
95
V_IN = V_EN1 = V_EN2 = V_EN3
V_OUT1 = 3.3V,
V_OUT2 = 1.8V,
V_OUT3 = 1.5V
C_IN = C_OUT1 = C_OUT2 = C_OUT3 = 1µF
90
2.5 3 3.5 4 4.5 5 5.5
Supply Voltage(V)
Output Voltage vs Supply Voltage
(VOUT = 1.8V)
1.9
1.85
1mA
1.8
1.75 _150mA
1.7
2.5 3
50mA
VEN2 = VIN
V_OUT2 = 1.8V
C_IN = C_OUT2 = 1µF
3.5
4
4.5
5
5.5
Supply Voltage (V)
Output Voltage vs Temperature
(VOUT = 1.8V)
2.2
2
1.8
V_IN = V_EN2 = V_OUT2+1V
1.6
VOUT2 = 1.8V
C_IN = C_OUT2 = 1µF
I_OUT2 = 150mA
1.4
-40 -25 -10 5 20 35 50 65 80 95 110 125
Temperature (°C)
M9999-122109-A