R1121N_02 Datasheet, PDF (7/17 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

R1121N
TEST CIRCUITS
CE
4
IN ^VDD
VOUT _OUT
3 R1121Nxx1B Series 1
IOUT
0.1µF
2
GND
2.2µF
CE
4
IN ^VDD
3
ISS
R1121Nxx1B Series
VOUT _OUT
1
0.1µF
2
GND
2.2µF
Standard test Circuit
Fig.1 Standard test Circuit
Supply current Test
Circuit
Fig.2 Supply Current Test Circuit
CE
4
CE
4
IN ^VDD
VOUT _OUT
3 R1121Nxx1B Series 1
IOUT
IN ^VDD
VOUT
3 R1121Nxx1B Series 1
OUT
P.G
2
GND
2
1µF
GND
I1 I2
Ripple Rejection, Line
Transient Response
Test Circuit
Load Transient Response
Test Circuit
Fig.3 Ripple Rejection, Line Transient Response
Test Circuit
Fig.4 Load Transient Response Test Circuit
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