S-812C_1 Datasheet, PDF (31/52 Pages) Seiko Instruments Inc – HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

Rev.4.0_00
HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
S-812C Series
V_IN=5 V, I_OUT=1 µA,→10 mA, C_L=10 µF
10 mA
0 mA
3V
2.9 V
TIME (500 µs / div)
Load dependency of undershoot at load transient
V_IN, V_ON/OFF=V_OUT(S)+2 V,
I_OUT=1 µA→I_OUT, C_L=10µF
1.2
1.0
S-812C50B
0.8
0.6
0.4
0.2
S-812C30B
0.0
0
20 40 60 80 100
I_OUT (mA)
V_DD dependency of undershoot at load transient
0.20
I_OUT=1 µA→10 mA, C_L=10 µF
S-812C50B
0.15
0.10
0.05
S-812C30B
0.00
0
5
10
15
20
V_DD (V)
C_L dependency of undershoot at load transient
V_IN, V_ON/OFF=V_OUT(S)+2 V,
0.25
I_OUT=1 µA→10 mA
0.20
0.15
0.10
S-812C50B
0.05
S-812C30B
0.00
0
10 20 30 40 50
C_L (µF)
“Ta” dependency of undershoot at load transient
0.25
V_IN, V_ON/OFF=V_OUT(S)+2 V,
I_OUT=1 µA→10 mA, C_L=10 µF
0.20
0.15
S-812C50B
0.10
0.05
S-812C30B
0.00
−50
0
50
100
Ta (°C)
Seiko Instruments Inc.
31