HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR

S-1112/1122 Series

Seiko Instruments Inc.

13

7.













•

∆

∆

OUT

OUT

V

Ta

V

voltage

output

of

t

coefficien

e

Temperatur

when the temperature coefficient of the output voltage is

±100 ppm/°C.

*1

Ex. S-1112/1122B28 Typ.

−40

25

+0.28 mV / °C

[V]

°C.

85

Ta [

°C]

−0.28 mV / °C

Figure 11

A change in the temperature of the output voltage [mV/°C] is calculated using the following equation.

[]

[ ]

C

ppm/

V

Ta

V

V

V

C

mV/

Ta

V

OUT

OUT

OUT(S)

OUT

÷

°

•

∆

∆

×

=

°

∆

∆

3

*

2

*

*1

*1. Change in temperature of output voltage

*2. Specified output voltage

*3. Output voltage temperature coefficient