R1121N_02 Datasheet, PDF (9/17 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

R1121N401B
Topt = 25°C
4.5
IOUT = 1mA
4.0
3.5
30mA
3.0
50mA
2.5
2.0 3.0 4.0 5.0 6.0 7.0 8.0
Input Voltage VIN (V)
3) Dropout Voltage vs. Output Current
R1121N181B
1.20
1.00
Topt = 85°C
0.80
0.60
25°C
0.40
0.20
0.00
0
-40°C
50
100
150
Output Current IOUT (mA)
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
R1121N401B
Topt = 85°C
25°C
-40°C
50
100
150
Output Current IOUT (mA)
R1121N
R1121N501B
Topt = 25°C
5.5
5.0
IOUT = 1mA
4.5
4.0
3.5
30mA
3.0
50mA
2.5
2.0 3.0 4.0 5.0 6.0 7.0 8.0
Input Voltage VIN (V)
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
0.00
0
R1121N301B
Topt = 85°C
25°C
-40°C
50
100
150
Output Current IOUT (mA)
R1121N501B
Topt = 85°C
25°C
-40°C
50
100
150
Output Current IOUT (mA)
9