Operation, Test circuits – Ricoh R5RL User Manual
Page 13
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R
×
5RL
10
OPERATION
Output Voltage V
OUT
divided at the node between
Registers R1 and R2 is compared with Reference Voltage
by Error Amplifier, so that a constant voltage is output.
TEST CIRCUITS
FIG. 2 Test Circuit
FIG. 3 Quiescent Current Test Circuit
FIG. 4 Line Transient Response Test Circuit
FIG. 1 Brock Diagram
GND
GND
V
IN
+
–
Error Amplifire
V
OUT
R2
R1
Vref
C
I
1µF
Co
1µF
V
IN
GND
R
×
5RL
SERIES
V
OUT
I
OUT
V
OUT
V
IN
+
+
Ro
Co
0.1µF
P.G
GND
R
×
5RL
SERIES
V
OUT
V
OUT
V
IN
+
I
SS
C
I
1µF
V
IN
GND
R
×
5RL
SERIES
V
OUT
V
IN
+
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