LEO3910 datasheet(9/21 Pages) STMICROELECTRONICS

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Figure 4. Reference voltage vs. temperature

(VIN=VOUT+2.5 V)

1.16

1.18

1.2

1.22

1.24

1.26

1.28

1.3

-60

-40

-20

100

120

140

Temperature [ °C]

Vin=Vout+2.5V, Vout= Vadj, Cin=0.1Fµ,

Cout=1µF (tantalum), Iout = 5 mA

Figure 5. Line regulation vs. temperature

-0.4

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.4

-60

-40

-20

100

120

140

Temperature [ °C]

Vout+2.5 V<Vin <12V, Vout= Vadj, Cin=0.1Fµ

Cout=1µF (tantalum),Iout=5mA

Figure 6. Load regulation vs. temperature ( IOUT= 5

mA to 1 A)

-0.4

-0.3

-0.2

-0.1

0.1

0.2

0.3

0.4

-60

-40

-20

100

120

140

Temperature [ °C]

Vin=Vout+2.5V, Vout=Vadj, Cin=0.1µF,

Cout=1µF (tantalum),5mA<Iout<1A

Figure 7. Inhibit threshold vs. temperature

0.2

0.4

0.6

0.8

1.2

1.4

1.6

1.8

2.2

2.4

2.6

2.8

-60

-40

-20

100

120

140

Temperature [ °C]

Vin=Vout+2.5V

Vin=12V

Vout =Vadj, Cin=0.1 μF, Cout =1 μF(tantalum),No load

Figure 8. Output voltage vs input voltage (IOUT=0

mA,T=25 °C and T=125 °C)

0.2

0.4

0.6

0.8

1.2

1.4

VIN [V]

125°C

25°C

Vout = Vadj, Cin =0.1μF, Cout =1μF(tantalum),No load,

T=25 °C, T=125 °C

Figure 9. Output voltage vs input voltage (IOUT=0

mA,T=0 °C and T=-55 °C)

LEO3910

Application information

DS13691 - Rev 2

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