English
Language : 

MIC5322 Datasheet, PDF (5/9 Pages) Micrel Semiconductor – Dual, High Performance 150mA μCap ULDO™
◁
Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
-90
-80
-70
-60
-50
50mA
-40
-30 VIN = VOUT +1V
-20
VOUT = 2.8V
COUT = 1µF
-10 CBYP = 0.1µF
/EN = Low
00.1
1
10
150mA
100 1,000
FREQUENCY (kHz)
Ground Current
vs. Temperature
160
155
150
100µA
145
140
135
130
VIN = VOUT + 1V
VOUT = 3V
125
COUT = 1µF
/EN = Low
120
20 40 60 80
TEMPERATURE (°C)
Output Voltage
vs. Temperature
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.65
2.60
2.55
2.50
VIN = VOUT + 1V
VOUT = 2.8V
COUT = 1µF
/EN = Low
20 40 60 80
TEMPERATURE (°C)
Output Voltage
vs. Output Current
1.60
1.55
1.50
1.45
VIN = VOUT + 1V
VOUT = 1.5V
COUT1 = COUT2 = 1µF
/EN = Low
1.400 25 50 75 100 125 150
OUTPUT CURRENT (mA)
March 2008
MIC5322
Dropout Voltage
vs. Output Current
40
35
30
25
20
15
10
VOUT = 2.8V
5
COUT = 1µF
/EN = Low
0
0 25 50 75 100 125 150
OUTPUT CURRENT (mA)
Ground Current
vs. Temperature
160
155
150
150mA
145
140
135
130
VIN = VOUT + 1V
VOUT = 3V
125
COUT = 1µF
/EN = Low
120
20 40 60 80
TEMPERATURE (°C)
Output Voltage
vs. Input Voltage
3.0
2.8V
2.5
2.0
1.5
1.5V
1.0
0.5
IOUT = 100µA
COUT = 1µF
/EN = Low
0.00 1 2 3 4 5 6
INPUT VOLTAGE (V)
610
600
590
580
570
560
550
540
530
520
5103
Current Limit
vs. Input Voltage
/EN = Low
COUT = 1µF
3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
5
Dropout Voltage
vs. Temperature
50
45
VOUT = 2.8V
COUT = 1µF
150mA
40 /EN = Low
35
30
100mA
25
20
15
50mA
10
5
10mA
100µA
0
20 40 60 80
TEMPERATURE (°C)
Ground Current
vs. Output Current
162
158
154
150
146
142
1380
VIN = VOUT + 1V
VOUT = 2.85V
/EN = Low
COUT1 = COUT2 = 1µF
25 50 75 100 125 150
OUTPUT CURRENT (mA)
Output Voltage
vs. Output Current
2.90
2.85
2.80
2.75 VIN = VOUT + 1V
VOUT = 2.8V
COUT1 = COUT2 = 1µF
/EN = Low
2.700 25 50 75 100 125 150
OUTPUT CURRENT (mA)
Output Noise
Spectral Density
10
1
0.1
VIN = 3.8V
0.01 VOUT = 2.8V
COUT = 1µF
CBYP = 0.01µF
/EN = Low
0.0001.01 0.1 1 10
100 1,000 10,000
FREQUENCY (kHz)
M9999-030608-A
 ▷