HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
S-812C Series
Reference Data
1. Transient Response Characteristics (Typical data: Ta=25 °C)
Input voltage
or
Load current
O utput voltage
O vershoot
1-1. Power-on : S-812C30B (CL=10µF; ceramic capacitor)
VIN, VON/OFF=0→5 V, IOUT=10 mA, CL=10 µF
5V
0V
3V
Rev.4.0_00
U n d e rs h o o t
0V
TIME (100 µs/div)
Load dependency of overshoot at power-on
0.030 VIN, VON/OFF=0→VOUT(S)+2 V, CL=10 µF
0.025
0.020
S-812C30B
0.015
0.010
S-812C50B
0.005
0.000
0
0.02 0.04 0.06 0.08 0.1
IOUT (A)
VDD dependency of overshoot at power-on
VIN, VON/OFF=0→VDD, IOUT=10 mA,
0.035
CL=10 µF
0.030
S-812C30B
0.025
0.020
S-812C50B
0.015
0.010
0.005
0.000
0
5
10
15
20
VDD (V)
CL dependency of overshoot at power-on
VIN, VON/OFF=0→VOUT(S)+2 V, IOUT=10 mA
0.8
S-812C50B
0.6
S-812C30B
0.4
0.2
0.0
0
10
20 30
40 50
CL (µF)
“Ta” dependency of overshoot at power-on
VIN, VON/OFF=0→VOUT(S)+2 V, IOUT=10 mA,
0.06
CL=10 µF
0.05
S-812C50B
0.04 S-812C30B
0.03
0.02
0.01
0.00
−50
0
50
100
Ta (°C)
26
Seiko Instruments Inc.