MIC5387 Datasheet, PDF (5/12 Pages) Micrel Semiconductor – Ultra-Small Triple 150mA Output LDO

Micrel, Inc.
Typical Characteristics (Continued)
Output Voltage (V_OUT3=1.5V)
vs. Temperature
1.7
Output Voltage (V_OUT=1.2V)
vs. Temperature
1.4
1.6
1.3
1.5
V_IN=V_EN2/3=2.5V
1.4 ^VOUT^=1.5V
C_IN=C_{OUT 3}=1µF
IOUT3=150mA
1.3
-40 -20 0 20 40 60 80
TEMPERATURE(°C)
100 120
Output Noise
Spectral Density
1
1.2
V_IN=V_EN2/3=2.5V
1.1
V_OUT=1.2V
C_IN=C_{OUT 3}=1µF
1
-40 -20
0 20 40 60 80 100 120
TEMPERATURE(°C)
Output Noise
SpectralDensity
1
0.1
V_IN=V_EN2/3=5V
0.01
V_OUT3=1.5V
C_OUT3=1µF
I_OUT3=100µA
OUTPUT VOLTAGE
NOISE=152µVrms
0.001
10
100
1,000 10,000
FREQUENCY (Hz)
100,000
0.1
VIN=VEN2/3=5V
VOUT3=1.5V
COUT3=1µF
IOUT3=150mA
OUTPUT VOLTAGE NOISE=125uVrms
0.01
10
100
1,000 10,000
FREQUENCY (Hz)
100,000
MIC5387
Current Limit
vs. InputVoltage
380
V_{OUT 1}=3.3V
360
340
VOUT 3=1.5V
320
V_{OUT 2}=1.8V
300 _VEN2/3=VIN
CIN=COUT 1=COUT 2 =COUT 3 =1µF
280
2 2.5 3 3.5 4 4.5 5 5.5
INPUT VOLTAGE (V)
April 2010
5
M9999-041610-A