S-818_1 Datasheet, PDF (23/32 Pages) Seiko Instruments Inc – LOW DROPOUT CMOS VOLTAGE REGULATOR

Rev.2.1_00
LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Load dependencies of undershoot
VIN=VOUT(S)+2 V→VOUT(S)+1 V, CL=2 µF
0.3
5V
0.2
VOUT=2 V
0.1
3V
0
1.E−05 1.E−04 1.E−03 1.E−02 1.E−01 1.E+00
IOUT [A]
V_DD dependencies of undershoot
VIN=VDD→VOUT(S)+1 V, IOUT=30 mA, CL=2 µF
0.2
5V
0.15
3V
0.1
VOUT=2 V
0.05
0
0
2
4
6
8
10
VDD [V]
C_L dependence of undershoot
0.05
VIN=VOUT(S)+2 V→VOUT(S)+1 V, IOUT=30 mA
0.04
3V
0.03
0.02
VOUT=2 V
0.01
5V
0
1
10
100
CL [µF]
Temperature dependence of undershoot
VIN=VOUT(S)+2 V→VOUT(S)+1 V, IOUT=30 mA, CL=2 µF
0.06
0.05
0.04
3V
VOUT=2 V
0.03
0.02
5V
0.01
0
−50
0
50
100
Ta [°C]
Seiko Instruments Inc.
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