HA16117F Series
Operating Characteristics and Test Circuits
510 k
5 V
VTL
5V
0V
VCC
Tadj
VCC
750 k
750 k
750 k
P-RUN ACC
0 V
CF
CR
GND
RES
tON
5 V
RES
0.01 µ
0.1 µ
Oscilloscope
Circuit for measuring tON
0 V
50 ms/div
Power-on reset time (tON
time
time
time
)
5V
0V
f = 500Hz
duty 50%
5 V
510 k
5 V
SW,OFF
VCC
Tadj
P-RUN
P-RUN ACC
50‰
0 V
5 V
CF
CR
GND
RES
tOFF
0.01 µ
0.1 µ
RES
0 V
Oscilloscope
Circuit for measuring tOFF
50 ms/div
Reset-clock off time (tOFF
)
tRH
510 k
5 V
VCC
Tadj
RES
5V
P-RUN ACC
CF
CR
GND
RES
CR
0.01 µ
0.1 µ
0 V
Oscilloscope
tRL
Oscilloscope
20 ms/div
RES and CR waveforms at detect abnormal conditions
Circuit for measuring RES and CR waveforms
18