HIGH WITHSTAND-VOLTAGE VOLTAGE REGULATOR WITH RESET FUNCTION
S-87x Series
Rev.7.2_00
Precautions
• DO NOT apply a ripple voltage of the following both conditions to VIN pin.
V [V]
*2
VPP
T (cycle)*1
t [s]
1
*1. f≥1000 Hz (f= ) (“f” shows the frequency)
T
*2. VPP≥0.5 V
Figure 40
• When connecting another power supply to the voltage regulator output pin, insert a diode to protect the IC.
OUT
V/R
VIN
VOUT
VSS
Figure 41
• Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in
electrostatic protection circuit.
43
Seiko Instruments Inc.