LOW DROPOUT CMOS VOLTAGE REGULATOR
S-818 Series
Rev.3.0_00
Seiko Instruments Inc.
8
*1. V
OUT(S)
=Specified output voltage
V
OUT(E)
=Effective output voltage
i.e., The output voltage when fixing I
OUT
(=30 mA) and inputting
VOUT(S)
+1.0 V.
*2. Output current at which output voltage becomes 95 % of V
OUT(E)
after gradually increasing output current.
*3. V
drop
=V
IN1
*1
−(V
OUT(E)
×0.98)
*1. The Input voltage at which output voltage becomes 98 % of V
OUT(E)
after gradually decreasing input
voltage.
*4. Output voltage shift by temperature [mV/°C] is calculated using the following equation.
[] [] []
1000Cppm/
VTaΔ
VΔ
VVCmV/
TaΔ
VΔ
OUT
OUT
OUT(S)
OUT
÷°
•
×=°
3*2**1
*1. Temperature change ratio for output voltage
*2. Specified output voltage
*3. Output voltage temperature coefficient
*5. These figures mean that every part can supply output current at least to these values