r1121n RICOH Co.,Ltd., r1121n Datasheet - Page 9

• Manufacturer Part Number: r1121n
• Description: Low Noise 150ma Ldo Regulator
• Manufacturer: RICOH Co.,Ltd.

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