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MIC5320 Datasheet, PDF (7/13 Pages) Micrel Semiconductor – Dual, High Performance 150mA uCap ULDO
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Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
-80
-70
-60
-50
150mA
-40
-30
-20
VIN = VOUT +1V
-10 VOUT = 2.8V
COUT = 1µF
00.1
1
10
50mA
100 1,000
FREQUENCY (kHz)
Ground Current
vs. Temperature
100
95
90
100µA
85
80
VIN = VOUT + 1V
VOUT = 2.8V
75
COUT = 1µF
EN1 = VIN
EN2 = GND
70
20 40 60 80
TEMPERATURE (°C)
Dropout Voltage
vs. Temperature
50
45
VIN =
VOUT
VOUT +
= 2.8V
1V
150mA
40 COUT = 1µF
35
30
100mA
25
20
15
50mA
10
5
10mA
100µA
0
20 40 60 80
TEMPERATURE (°C)
Ground Current
vs. Output Current
90
85
80
75
VIN = VOUT + 1V
VOUT = 2.85V
EN1 = VIN
COUT1 = 1µF
700 25 50 75 100 125 150
OUTPUT CURRENT (mA)
July 2006
Dropout Voltage
vs. Output Current
40
35
30
25
20
15
10
VIN = VOUT + 1V
VOUT = 2.8V
5
COUT = 1µF
EN1 = VIN
00 25 50 75 100 125 150
OUTPUT CURRENT (mA)
Ground Current
vs. Temperature
100
95
90
150mA
85
80
VIN = VOUT + 1V
VOUT = 2.8V
75
COUT = 1µF
EN1 = VIN
EN2 = GND
70
20 40 60 80
TEMPERATURE (°C)
Output Voltage
vs. Output Current
2.90
2.85
2.80
VIN = VOUT + 1V
2.75 VOUT = 2.8V
COUT1 = COUT2 = 1µF
EN1 = VIN
EN2 = GND
2.700 25 50 75 100 125 150
OUTPUT CURRENT (mA)
Ground Current
vs. Output Current
162
158
154
150
146
1420
VIN = VOUT + 1V
VOUT = 2.85V
EN1 = EN2 = VIN
COUT1 = COUT2 = 1µF
25 50 75 100 125 150
OUTPUT CURRENT (mA)
7
MIC5320
3.00
2.95
2.90
2.85
2.80
2.75
2.70
2.65
2.60
2.55
2.50
Output Voltage
vs. Temperature
VIN = VOUT + 1V
VOUT = 2.8V
COUT = 1µF
EN1 = VIN
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
0.00
1
2
COUT = 1µF
3456
INPUT VOLTAGE (V)
Output Voltage
vs. Output Current
1.60
1.55
1.50
VIN = VOUT + 1V
1.45 VOUT = 1.5V
COUT1 = COUT2 = 1µF
EN1 = GND
1.400
EN2 =
25
VIN
50
75 100 125 150
OUTPUT CURRENT (mA)
610
600
590
580
570
560
550
540
530
520
5103
Current Limit
vs. Input Voltage
EN1 = VIN
COUT = 1µF
3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
M9999-073106
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