MIC5374 Datasheet, PDF (10/22 Pages) Micrel Semiconductor – Triple 200mA μCap LDO and 1mA RTC LDO in 2.5mm x 2.5mm Thin MLF®

Micrel, Inc.
Typical Characteristics (Continued)
LDO1/2/3 Bias Ground
Current vs. Temperature
50
45
40
35
30
25
20
15 _{VBIAS = 5.5V}
10 _{VIN = VOUT + 1V}
5 _{EN1 or EN2 or EN3= ON}
0
-40 -20 0 20 40 60
80 100 120
TEMPERATURE (°C)
LDO4 Bias Ground
Current vs. Temperature
20
18
16
14
12
10
8
6 _{VBIAS = 5.5V}
4 _{VIN = VOUT + 1V}
2 _{EN1 = EN2 = EN3 = OFF}
0
-40 -20 0 20 40 60
80 100 120
TEMPERATURE (°C)
LDO2 Output Noise
Spectral Density
10
Noise (10Hz - 100kHz) = 160µVrms
LDO2 Output Noise
Spectral Density
10
Noise (10Hz - 100kHz) = 144µVrms
1
VIN = 4.0V
0.1 VOUT = 1.8V
COUT = 1µF
CBIAS = 0.1µF
Load = 100µA
0.01
10
100
1,000 10,000
FREQUENCY (Hz)
100,000
LDO3 Output Noise
Spectral Density
10
Noise (10Hz - 100kHz) = 105µVrms
1
0.1
V_IN = 3.9V
V_OUT = 1.2V
0.01 C_OUT=1µF
C_BIAS = 0.1µF
Load = 150mA
0.001
10
100
1,000 10,000
FREQUENCY (Hz)
100,000
LDO2 PSRR (I_OUT = 100µA)
-100
-90
-80
-70
-60
-50
`
-40
-30
VIN = 3.6V
-20 <sub>VOUT = 2.5V</sub>
-10 COUT = 1µF
0
10
100
1000 10000 100000 1000000
FREQUENCY(Hz)
1
VIN = 4.0V
0.1 V<sub>OUT</sub> = 1.8V
COUT = 1µF
CBIAS = 0.1µF
Load = 150mA
0.01
10
100
1,000 10,000
FREQUENCY (Hz)
100,000
LDO1 PSRR (I<sub>OUT</sub> = 100µA)
-100
-90
-80
-70
-60
-50
`
-40
-30
-20 ^{VIN = 4.3V}
VOUT = 3.3V
-10
COUT = 1µF
0
10
100
1000 10000 100000
FREQUENCY(Hz)
1000000
LDO2 PSRR (I_OUT = 150mA)
-100
-90
-80
-70
-60
-50
`
-40
-30
VIN = 3.6V
-20
VOUT = 2.5V
-10 <sub>COUT = 1µF</sub>
0
10
100
1000 10000 100000
FREQUENCY(Hz)
1000000
MIC5374/84
LDO1 Output Noise
Spectral Density
10
Noise (10Hz- 100kHz) = 200µVrms
1
0.1
V<sub>IN</sub> = 3.8V
VOUT = 2.8V
0.01 COUT = 1µF
C<sub>BIAS</sub> = 0.1µF
Load = 150mA
0.001
10
100
1,000 10,000
FREQUENCY (Hz)
100,000
LDO3 Output Noise
Spectral Density
10
Noise (10Hz - 100kHz) = 125µVrms
1
0.1
V<sub>IN</sub> = 4.3V
V<sub>OUT</sub> = 1.2V
0.01 C<sub>OUT</sub> = 1µF
0.001
CBIAS = 0.1µF
Load = 100µA
10
100
1,000 10,000
FREQUENCY (Hz)
100,000
LDO1 PSRR (I<sub>OUT</sub> = 150mA)
-100
-90
-80
-70
-60
-50
`
-40
-30
VIN = 4.3V
-20 _{VOUT = 3.3V}
-10 _{COUT = 1µF}
0
10
100
1000 10000 100000
FREQUENCY(Hz)
1000000
LDO3 PSRR (I_OUT = 100µA)
-100
-90
-80
-70
-60
-50
-40
-30 _{VIN = 3.6V}
-20 _{VOUT = 1.8V}
-10 _{COUT = 1µF}
0
10
100 1000 10000 100000 1000000
FREQUENCY (Hz)
July 2010
10
M9999-070110