S-812C_1 Datasheet, PDF (28/52 Pages) Seiko Instruments Inc – HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
S-812C Series
Rev.4.0_00
1-3. Line Transient Response : S-812C30B (C_L=10µF; ceramic capacitor)
V_IN, V_ON/OFF=4 →8 V, I_OUT=10 mA _{10 V}
5V
0V
3V
2.9 V
TIME (100µs/div)
Load dependency of overshoot at line transient
0.16
V_IN, V_ON/OFF=V_OUT(S)+1 V→V_OUT(S)+5 V,
C_L=10 µF
0.14
0.12
S-812C50B
0.10
0.08
0.06
0.04
0.02
S-812C30B
0.00
0
10 20
30 40 50
I_OUT (mA)
V_DD dependency of overshoot at line transient
V_IN, V_ON/OFF=V_OUT(S)+1 V→V_DD, I_OUT=10 mA,
0.16
C_L=10 µF
0.14
0.12
S-812C50B
0.10
0.08
0.06
0.04
0.02
S-812C30B
0.00
0
5
10
15
20
V_DD (V)
C_L dependency of overshoot at line transient
V_IN, V_ON/OFF=V_OUT(S)+1 V→V_OUT(S)+5 V,
0.25
I_OUT=10 mA
0.20
S-812C30B
0.15
0.10
S-812C50B
0.05
0.00
0
10
20
30
40
50
C_L (µF)
“Ta” dependency of overshoot at line transient
0.16
V_IN, V_ON/OFF=V_OUT(S)+1 V→V_OUT(S)+5 V,
I_OUT=10 mA, C_L=10 µF
0.14
0.12
S-812C50B
0.10
0.08
0.06
0.04
0.02
S-812C30B
0.00
−50
0
50
100
Ta (°C)
28
Seiko Instruments Inc.