RH5RE Datasheet, PDF (10/20 Pages) RICOH electronics devices division – Supply Current Typ. 1.1uA (VOUT=3.0V, VIN=5.0V)

Rx5RE
OPERATION
VIN
GND
Error Amplifire
–
+
VOUT
R1
Vref
R2
GND
FIG. 1 Brock Diagram
Output voltage VOUT divided at the node between regis-
ters R1 and R2 is compared with reference voltage by
error amplifier, so that a constant voltage is output.
TEST CIRCUITS
VIN
VIN
Rx5RE
VOUT
IOUT
VOUT
SERIES
CI ₊
1µF
GND
+ ^Co
1µF
ISS
VIN
VIN
Rx5RE
SERIES
CI ₊
1µF
GND
VOUT
FIG. 2 Test Circuit
VIN
Rx5RE
VOUT
SERIES
VOUT
P.G
GND ⁺
Ro
Co
0.1µF
FIG. 4 Line Transient Response Test Circuit
FIG. 3 Quiescent Current Test Circuit
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