S-1172B43-E6T1G Ver la hoja de datos (PDF) - Seiko Instruments Inc

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S-1172B43-E6T1G

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

Seiko Instruments Inc 

Rev.1.1_00

HIGH RIPPLE-REJECTION LOW DROPOUT HIGH OUTPUT CURRENT CMOS VOLTAGE REGULATOR

S-1172 Series

6. Temperature coefficient of output voltage  ∆VOUT 

 ∆Ta • VOUT 

The shadowed area in Figure 12 is the range where VOUT varies in the operating temperature range when the

temperature coefficient of the output voltage is ±130 ppm/°C.

VOUT [V]

Ex. S-1172B30 Typ.

+0.39 mV / °C

VOUT(E)*1

−0.39 mV / °C

−40

25

85

Ta [°C]

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

Figure 12

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

∆VOUT [mV / °C]*1 = [ VOUT(S) V]*2 × ∆VOUT [ppm / °C]*3 ÷1000

∆Ta

∆Ta • VOUT

*1. Change in temperature of output voltage

*2. Specified output voltage

*3. Output voltage temperature coefficient

Seiko Instruments Inc.

13

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