R1122N_17 Datasheet, PDF (7/21 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

TEST CIRCUITS
CE
4
IN ^VDD
3
R1122Nxx1B
Series
2.2μF
2
GND
VOUT
OUT
1
IOUT
R1122N
CE
4
IN ^VDD
3
ISS
R1122Nxx1B
Series
2.2μF
2
GND
VOUT
OUT
1
Fig.1 Standard test Circuit
Fig.2 Supply Current Test Circuit
CE
4
IN ^VDD
3
R1122Nxx1B
Series
P.G
2
GND
VOUT
OUT
1
IOUT
CE
4
IN ^VDD
3
R1122Nxx1B
Series
2.2μF
2
GND
VOUT
1
IOUT
OUT
I1 I2
Fig.3 Ripple Rejection, Line Transient
Response Test Circuit
Fig.4 Load Transient Response Test Circuit
7