MIC5326 Datasheet, PDF (4/10 Pages) Micrel Semiconductor – 150mA Low Operating Current LDO

Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
50mA
100µA
150mA
100mA
V_IN = V_OUT +1V
0 ^{VOUT = 2.8V}
1010C^OU₁^T₀₀₌
1µF
1k
10k 100k 1M
FREQUENCY (Hz)
Output Voltage
vs. Input Voltage
3.5
3.0
100µA
50mA
2.5
150mA
V_EN = 1.2V
V_OUT = 2.8V
C_IN = C_OUT = 1µF
2.20.5 _{3.0 3.5 4.0 4.5 5.0 5.5}
INPUT VOLTAGE (V)
Dropout Voltage
vs. Temperature
120
100
80
60
40
V_EN = 1.2V
20
V_OUT = 2.8V
C_IN = C_OUT = 1µF
I_LOAD = 150mA
-040 -20 0 20 40 60 80 100 120
TEMPERATURE (°C)
Current Limit
vs. Input Voltage
700
V_EN = 1.2V
650
V_OUT = 2.8V
C_IN = C_OUT = 1µF
600
550
500
450
4020.5 _{3.0 3.5 4.0 4.5 5.0 5.5}
INPUT VOLTAGE (V)
October 2008
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.65
2.600
Output Voltage
vs. Output Current
V_IN = V_EN = V_OUT +1
V_OUT = 2.8V
C_IN = C_OUT = 1µF
25 50 75 100 125 150
OUTPUT CURRENT (mA)
Ground Current
vs. Output Current
32
28
24
20
V_IN = V_EN = V_OUT + 1
V_OUT = 2.8V
C_IN = C_OUT = 1µF
160 _{25 50 75 100 125 150}
OUTPUT CURRENT (mA)
Ground Current
vs. Temperature
32
28
24
100µA
20
1-640 _-20
150mA
V_IN = V_EN = V_OUT + 1V
V_OUT = 2.8V
C_IN = C_OUT = 1µF
0 20 40 60 80 100 120
TEMPERATURE (°C)
Output Noise
Spectral Density
100
V_IN = 4.5V
V_OUT = 2.8V
10 ^{COUT = 1µF}
1
0.1
0.01100
1k 10k 100k 1M
FREQUENCY (Hz)
4
MIC5326
Output Voltage
vs. Temperature
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.65
V_IN = V_EN = V_OUT +1V
C_IN = C_OUT = 1µF
2.6-040 _{-20 0 20 40 60 80 100 120}
TEMPERATURE (°C)
100
90
80
70
60
50
40
30
20
10
00
Dropout Voltage
vs. Output Current
V_EN = V_IN
C_IN = C_OUT = 1µF
25 50 75 100 125 150
OUTPUT CURRENT (mA)
Ground Current
vs. Input Voltage
34
30
26
22 100µA
150mA
18
14
120.5
V_IN = V_EN
V_OUT = 2.8V
C_IN = C_OUT = 1µF
3 3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
M9999-100808-A