L4988D datasheet(11/32 Pages) STMICROELECTRONICS

11 / 32 page

L4988

Electrical specifications

Doc ID 13617 Rev 6

11/32

2.4

Electrical characteristics curves

Figure 3.

Output voltage vs. Tj

Figure 4.

Output voltage vs. Vs

Figure 5.

Drop Voltage vs. Output Current

Figure 6.

Current consumption vs. Output

Current

Figure 7.

Current consumption vs. Input

Voltage

Figure 8.

Current limitation vs. Tj

-50

-25

100

125

150

Tj(°C )

4,5

4,6

4,7

4,8

4,9

5,1

5,2

5,3

5,4

5,5

Vo_ref (V)

Vs= 13.5V

I0 = 75mA

Vs (V )

Vo_ref (V)

I0 = 75 mA

Tj = 25 °C

100

150

200

250

Io (mA)

0,05

0,1

0,15

0,2

0,25

0,3

0,35

Vdp (V)

Tj= 25 °C

Tj= 125 °C

120

160

200

240

Io (mA)

300

600

900

1200

1500

1800

Iqn (µA)

Vs= 13.5 V

Tj= 25 °C

WEn= High

Vs (V )

400

800

1200

1600

2000

2400

Iqn(µA )

Tj = 25 °C

WEn = High

Io = 1mA

Io = 50mA

Io= 100mA

Io= 200mA

-50

-25

100

125

150

Tj(°C )

100

200

300

400

500

600

Ilim (mA)

Vs= 13.5V

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