R1122N Datasheet, PDF (7/22 Pages) RICOH electronics devices division – LOW NOISE 150mA LDO REGULATOR

n TEST CIRCUITS
CE
4
IN
VDD
3
R11^R2¹1¹N²x²x^N1^xB^x1S^Beries
VOUT _OUT
1
Series
IOUT
0₂.1_.2µ_mF_F
2
GND
2.2µF
CE
4
IN ^VDD
3
ISS
R11^R2¹1¹N²x²x^N1^xB^x1S^Beries
Series
VOUT _OUT
1
0₂.1_.2µ_mF_F
2
GND
2.2µF
Fig.1 Standard test Circuit
Fig.2 Supply Current Test Circuit
CE
4
CE
4
IN ^VDD
R1122Nxx1B
VOUT _OUT
3 R1121N_Sx_ex_ri1_eB_s Series 1
IOUT
IN ^VDD
R1122Nxx1B
VOUT
3 R1121N_Sex_rx_i1_esB Series 1
OUT
P.G
2
GND
1µ₂F_.2mF
2
GND
I1 I2
Fig.3 Ripple Rejection, Line Transient Response Test
Circuit
Fig.4 Load Transient Response Test Circuit
Rev. 1.10
-7-