R1140Q Datasheet, PDF (7/18 Pages) RICOH electronics devices division – SC82 120mA LDO REGULATOR

R1140Q
TEST CIRCUITS
1 VOUT VDD 4
R1140Q
IOUT
V _C2
VOUT
SERIES
2 GND CE 3
C1
Fig.1 Standard test Circuit
∗ C1=Tantal 1.0µF
C2=Tantal 2.2µF
1 VOUT VDD 4
R1140Q
C2
SERIES
2 GND CE 3
A
C1
ISS
∗ C1=Tantal 1.0µF
C2=Tantal 2.2µF
Fig.2 Supply Current Test Circuit
1 VOUT VDD 4
R1140Q
C2
SERIES
IOUT
2 GND CE 3
Pulse
Generator
PG
Fig.3 Ripple Rejection, Line Transient Response Test Circuit
1 VOUT VDD 4
R1140Q
C2
SERIES
2 GND CE 3
C1
IOUTa
IOUTb
∗ C1=Tantal 1.0µF
C2=Tantal 2.2µF
Fig.4 Load Transient Response Test Circuit
6