MIC5309_08 Datasheet, PDF (5/11 Pages) Micrel Semiconductor – Low VIN/VOUT 300mA High PSRR ULDO with Ultra-Low IQ

Micrel, Inc.
Typical Characteristics
Output Voltage
vs. V_IN
1.5
100µA
1.0
300mA
0.5
V_BIAS = 3.6V
150mA V_OUT = 1.2V
C_OUT = 1µF
00 _{0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5}
VIN (V)
Output Noise
Spectral Density
10
1
0.1
0.01 _{COUT = 1µF}
C_BYP = 0.01µF
I_LOAD
0.001
10 100 1K 10K 100K 1M
FREQUENCY (Hz)
0.900
0.875
0.850
0.825
0.800
0.775
0.750
0.725
0.700
Reference Voltage
vs. Temperature
V_IN = 2.2V
V_BIAS = 3.6V
V_OUT = 1.2V
C_OUT = 1µF
I_OUT = 100µA
20 40 60 80
TEMPERATURE (°C)
MIC5309
Current Limit
vs. V_IN
700
675
650
625
600
575
550
525
V_OUT = 1.8V
V_BIAS = 3.6V
5010.5 _{2 2.5 3 3.5 4 4.5 5 5.5}
INPUT VOLTAGE (V)
May 2008
5
M9999-051508-D