MIC5385 Datasheet, PDF (5/13 Pages) Micrel Semiconductor – Ultra Small Triple 150mA Output LDO

Micrel, Inc.
Typical Characteristics (Continued)
Output Voltage vs Temperature
(V_OUT = 1.5V)
1.7
1.6
1.5
V_IN = V_EN3 = V_OUT3+1V
1.4 ^{VOUT3 = 1.5V}
CIN = COUT3 = 1µF
I_OUT3 = 150mA
1.3
-40 -20 0 20 40 60
Temperature (°C)
80 100 120
Output Noise Spectral Density
1
Current Limit vs. Input Voltage
460
V_EN1 = V_EN2 = V_EN3 = V_IN
440 _{CIN = COUT1 = COUT2 = COUT3 = 1µF}
420
400
V_OUT3 = 1.5V
380
360
340
VOUT2 = 1.8V
320
V_OUT1 = 3.3V
300
2
3
4
5
6
Input Voltage (V)
MIC5385
Output Noise Spectral Density
1
0.1
V_IN = V_EN3 =
5.38V
V_OUT3 = 1.5V
0.01
C_OUT3 = 1µF
I_OUT3 = 100µA
Output Voltage-
Noise=152µVrms
0.001
10
100
1,000 10,000 100,000 1,000,000
Frequency (Hz)
0.1 VIN = VEN3 = 5.36V
V_OUT3 = 1.5V
C_OUT3 = 1µF
I_OUT3 = 150mA
Output voltage
Noise = 127µVrms
0.01
10
100
1,000 10,000 100,000 1,000,000
Frequency (Hz)
December 2009
5
M9999-122109-A