MIC5330 Datasheet, PDF (6/10 Pages) Micrel Semiconductor – Dual, 300mA UCap LDO in 2mm x 2mm MLF

Micrel, Inc.
Typical Characteristics
Power Supply
Rejection Ratio
-80
-70
-60
-50
-40
-30 _{VIN = 3.4V}
-20 ^{VOUT = 3V}
C_OUT = 1µF
-10 CBYP = 0.1µF
I_OUT = 50mA
00.1
1
10 100
FREQUENCY (kHz)
1,000
Dropout Voltage
vs. Output Current
80
70
60
50
40
30
20
10
V_OUT = 3V
C_OUT = 1µF
00 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
Output Voltage
vs. Output Current
3.3
3.2
3.1
3.0
2.9
2.8
V_IN = V_OUT + 1V
V_OUT = 3V
C_OUT = 1µF
2.70 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
Ground Current
vs. Output Current
90
88
86
84
82
80
78
76
V_IN = V_OUT + 1V
74
V_OUT = 3V
72
V_EN1 = V_EN2 = V_IN
C_OUT1 = C_OUT2 = 1µF
700 _{50 100 150 200 250 300}
OUTPUT CURRENT (mA)
August 2006
MIC5330
Power Supply
Rejection Ratio
-80
-70
-60
-50
-40
-30 _{VIN = 3.6V}
-20 ^{VOUT = 3V}
C_OUT = 1µF
-10 CBYP = 0.1µF
I_OUT = 150mA
00.1
1
10 100
FREQUENCY (kHz)
1,000
Ground Current
vs. Temperature
90
88
300mA
86 _150mA
84
82
100mA
80
50mA
78 _100µA
76
V_IN = V_OUT + 1V
74
V_OUT = 3V
72
C_OUT = 1µF
EN1 = V_IN, EN2 = GND
70
20 40 60 80
TEMPERATURE (°C)
Output Voltage
vs. Input Voltage
3.5
3.0
2.5
2.0
300mA
1.5
150mA
1.0
100µA
0.5
V_IN = V_OUT + 1V
0.01
2
C_OUT = 1µF
3
4
5
INPUT VOLTAGE (V)
Current Limit
vs. Input Voltage
600
580
560
540
520
500
480
460
440
420
C_OUT = 1µF
V_EN = V_IN
4020.0 _{2.5 3.0 3.5 4.0 4.5 5.0 5.5}
INPUT VOLTAGE (V)
6
Power Supply
Rejection Ratio
-80
-70
-60
-50
-40
-30 _{VIN = 3.9V}
-20 ^{VOUT = 3V}
C_OUT = 1µF
-10 CBYP = 0.1µF
I_OUT = 300mA
00.1
1
10 100
FREQUENCY (kHz)
1,000
Output Voltage
vs. Temperature
3.20
3.15
3.10
3.05
3.00
2.95
2.90
2.85
2.80
2.75
2.70
V_IN = V_OUT + 1V
V_IN = EN1 = EN2
V_OUT = 3V
C_OUT = 1µF
I_OUT = 100µA
20 40 60 80
TEMPERATURE (°C)
Dropout Voltage
vs. Temperature
90
300mA
80
70
V_OUT = 3V
60
V_IN = EN1 = EN2
50
C_OUT = 1µF
40
150mA
30
100mA
20
50mA
10
10mA
100µA
0
20 40 60 80
TEMPERATURE (°C)
Output Noise
Spectral Density
10
1
0.1
V_IN = 4V
0.01 VOUT = 3V
C_OUT = 1µF
C_BYP = 0.1µF
0.0001.0I1^LOAD_0.1=
60mA
1
10
100
FREQUENCY (kHz)
1,000
M9999-080306