S-8424AAAFT-TB-X Datasheet, PDF (24/46 Pages) Seiko Instruments Inc – BATTERY BACKUP SWITCHING IC

BATTERY BACKUP SWITCHING IC
S-8424A Series
Power supply variation: 6 V and 10 V square waves
10 V
Input
6V
voltage
Output
voltage
Overshoot
Undershoot
Rev.3.0_01
Fast amplifier
VIN
VOUT
S-8424A Series
VSS
C_OUT
P.G.
Oscillo-scope
R_L
Figure 14 Power Supply Variation:
6 V and 10 V Square Waves
Power Supply Variation
VOUT pin
10 V
Input Voltage _{6 V}
(4 V/div)
Figure 15 Test Circuit
C_OUT = 22 μF, I_OUT = 50 mA, Ta = 25°C
10 V
6V
Output Voltage
(50 mV/div)
t (100 μs/div)
Figure 16 Ringing Waveform of Power Supply Variation (VOUT Pin)
VRO pin
10 V
Input Voltage _{6 V}
(4 V/div)
C_RO = 22 μF, I_{RO =} 30 mA, Ta = 25°C
10 V
6V
Output Voltage
(50 mV/div)
t (100 μs/div)
Figure 17 Ringing Waveform of Power Supply Variation (VRO Pin)
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