S-812C_1 Datasheet, PDF (30/52 Pages) Seiko Instruments Inc – HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR

HIGH OPERATING VOLTAGE CMOS VOLTAGE REGULATOR
S-812C Series
Rev.4.0_00
1-4. Load Transient Response : S-812C30B (C_L=10µF; ceramic capacitor)
V_IN=5 V, I_OUT=10 mA→1 µA, C_L=10 µF
10 mA
0 mA
3.1 V
3V
2.9 V
TIME(200 µs / div)
Load dependency of overshoot at load transient
V_IN, V_ON/OFF=V_OUT(S)+2 V,
1.2
I_OUT=10 mA→1 µA
1.0
S-812C50B
0.8
0.6
0.4
S-812C30B
0.2
0.0
0
20 40 60 80 100
I_OUT (mA)
V_DD dependency of overshoot at load transient
0.16
I_OUT=10 mA→1 µA, 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 load transient
V_IN, V_ON/OFF=V_OUT(S)+2 V,
I_OUT=10 mA→1 µA
0.16
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
C_L (µF)
“Ta” dependency of overshoot at load transient
0.16
V_IN, V_ON/OFF=V_OUT(S)+2 V,
I_OUT=10 mA→1 µA, 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)
30
Seiko Instruments Inc.