SL2980 datasheet(10/23 Pages) SII

Part #	SL2980

Description	HIGH RIPPLE-REJECTION AND LOW DROPOUT

PDF	23 Pages

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Manufacturer	SII [Seiko Instruments Inc]

Direct Link	http://www.sii.co.jp

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HIGH RIPPLE-REJECTION AND LOW DROPOUT CMOS VOLTAGE REGULATOR

S-L2980 Series

Rev.5.1_00

Seiko Instruments Inc.

7. Output Voltage Temperature Coefficient ⎝

⎛

⎠

⎞

ΔVOUT

ΔTa•VOUT

The shaded area in Figure 10 is the range where VOUT varies in operation temperature range when the

output voltage temperature coefficient is

±100 ppm/°C.

VOUT(E)

−40

+25

+0.28 mV/°C

VOUT

[V]

+85

Ta [

°C]

−0.28 mV/°C

Example of S-L2980A28 typ. product

*1. VOUT(E) is the value of the output voltage measured at Ta=+25°C.

Figure 10

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

ΔVOUT

ΔTa []

mV/°C

*1 = V

OUT(S) []

*2 ×

ΔVOUT

ΔTa•VOUT []

ppm/°C

*3 ÷ 1000

*1. Change in temperature of output voltage

*2. Set output voltage

*3. Output voltage temperature coefficient

SL2980 Datasheet(PDF) 10 Page - Seiko Instruments Inc