r1121n RICOH Co.,Ltd., r1121n Datasheet - Page 7

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

TEST CIRCUITS
Fig.3 Ripple Rejection, Line Transient Response
IN
P.G
IN
Test Circuit
V
0.1µF
DD
V
DD
3
Fig.1 Standard test Circuit
3
R1121Nxx1B Series
R1121Nxx1B Series
4
2
CE
GND
4
2
CE
GND
Standard test Circuit
Ripple Rejection, Line
Transient Response
Test Circuit
1
V
1
OUT
V
OUT
2.2µF
I
OUT
OUT
I
OUT
OUT
IN
IN
I
Fig.4 Load Transient Response Test Circuit
SS
V
1µF
DD
V
0.1µF
3
Fig.2 Supply Current Test Circuit
DD
3
R1121Nxx1B Series
R1121Nxx1B Series
4
2
CE
GND
4
2
Load Transient Response
Test Circuit
CE
GND
Supply current Test
Circuit
1
V
OUT
1
V
OUT
I1
2.2µF
R1121N
OUT
I2
OUT
7