R1116 Datasheet, PDF (21/22 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

R1116x
ESR vs. Output Current
When using these ICs, consider the following points:
The relations between IOUT (Output Current) and ESR of an output capacitor are shown below.
The conditions when the white noise level is under 40μV (Avg.) are marked as the hatched area in the graph.
Measurement conditions
VIN=VOUT+1V
COUT: GRM155B30J105KE18B
Frequency Band: 10Hz to 2MHz
Temperature: −40°C to 25°C
R1116x151x
VIN=1.52V to 6.5V, CIN=COUT=1.0μF
100
Topt=85°C
10
Topt=-40°C
1
R1116x281x
VIN=2.82V to 6.5V
100
Topt=85°C
10
Topt=-40°C
1
0.1
0.1
0.01
0
100
10
1
30 60 90 120 150
Output Current IOUT(mA)
R1116x401x
VIN=4.02V to 6.5V
Topt=85°C
Topt=-40°C
0.01
0
30 60 90 120 150
Output Current IOUT(mA)
0.1
0.01
0
30 60 90 120 150
Output Current IOUT(mA)
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