RX5VT Datasheet, PDF (19/31 Pages) RICOH electronics devices division – LOW VOLTAGE DETECTOR

R×5VT
TEST CIRCUITS
VDD
ISS
VDD
R×5VT ^OUT
SERIES
VSS
GND
FIG. 3 Supply Current Test Circuit
VDD
VSS
VDD
R×5VT ^OUT
SERIES
IOUT
+VDS
GND
VSS
FIG. 5 Nch Driver Output Current Test Circuit
+VDET+2.0V
0.7V
VSS
P.G.
VDD
R×5VT××A ^OUT
SERIES
GND
+5.0V
ROUT
470kΩ
OUT
COUT
VSS
FIG. 7 Output Delay Time Test Circuit (1)
VDD
VDD Rn
R×5VT ^OUT
SERIES
Rn:R×5VT××A:470kΩ
R×5VT××C:None
VDET
VSS
GND
VSS
FIG. 4 Detector Threshold Test Circuit
VDD
VSS
VDD
R×5VT××C ^OUT
SERIES
IOUT
VDD –VDS
GND
VSS
FIG. 6 Pch Driver Output Current Test Circuit
+VDET+2.0V
0.7V
VSS
P.G.
RIN
100kΩ
VDD _{R×5VT××A} OUT
SERIES
CIN
GND
+5.0V
ROUT
470kΩ
OUT
VSS
FIG. 8 Output Delay Time Test Circuit (2)
In Output Delay Time Test Circuits (1) and (2) in FIG. 7 and FIG. 8, their respective Output Voltage Fall Times
(tPHL) and Rise Times (tPLH) are defined as shown below.
+VDET+2.0V
+VDET+2.0V
Input Voltage
0.7V
GND
Input Voltage
0.7V
GND
5.0V
Output Voltage _2.5V
+VDET+2.0V
Output Voltage
+VDET+2.0V
2
GND
tPHL
tPLH
Nch Open Drain Output
GND
tPHL
tPLH
CMOS Output
15