L5150CS datasheet(11/34 Pages) STMICROELECTRONICS

11 / 34 page

DS6184 Rev 18

11/34

L5150CJ, L5150CS

Electrical specifications

2.4

Electrical characteristics curves

Figure 3. Output voltage vs. Tj

Figure 4. Output voltage vs. VS

Vo_ref(V)

4.5

4.6

4.7

4.8

4.9

5.1

5.2

5.3

5.4

5.5

-50

-25

100

125

150

175

Tj(°C)

Io= 75mA

Vs= 13.5V

GAPGCFT00136

Vo-ref (V)

GAPGCFT00137

-1

-2

0123

456789

VS (V)

Io = 75 mA

Tc = 25 °C

Figure 5. Drop voltage vs. output current

Figure 6. Current consumption vs. output

current

Vdp(V)

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0.45

0.5

105

120

135

150

165

Io(mA)

Tj=125°C

Tj=25°C

GAPGCFT00138

Iqn(mA)

2.5

2.6

2.7

2.8

2.9

3.1

3.2

3.3

3.4

3.5

100

120

140

160

Io(mA)

Vs=13.5V

Tj=25°C

GAPGCFT00139

Figure 7. Current consumption vs. output

current (at light load condition)

Figure 8. Current consumption vs. input voltage

(Io = 0.1 mA)

GAPGCFT00140

Io (mA)

4.5

3.5

2.5

1.5

0.5

-0.5

0123

456789

Vs = 13.5 V

Iqn (mA)

Iqn(μA)

100

120

140

160

180

200

Vs(V)

GAPGCFT00141

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