Electrical specifications

L5150CJ, L5150CS

8/34

DS6184 Rev 18

2.2

Thermal data

2.3

Electrical characteristics

Values specified in this section are for VS = 5.6 V to 31 V, Tj = -40 °C to +150 °C unless

otherwise stated.

Table 4. Thermal data

Symbol

Parameter

Value

Unit

PowerSSO-12

SO-8

Rthj-case

Thermal resistance junction to case:

8

°K/W

Rthj-lead

Thermal resistance junction to lead:

40

°K/W

Rthj-amb(1)

1. PowerSSO-12: The values quoted are for PCB 77 mm x 86 mm x 1.6 mm, FR4, double copper layer with

single heatsink layer, copper thickness 70 µm, thermal vias, copper area 2 cm2.



SO-8: The values quoted are for PCB 48 mm x 48 mm x 2 mm, FR4, double copper layer with single

heatsink layer, copper thickness 35 µm, copper area 2 cm2.

Thermal resistance junction to ambient:

52

112

°K/W

Table 5. General

Pin

Symbol

Parameter

Test condition

Min. Typ. Max. Unit

Vo

Vo_ref

Output voltage

VS = 8 V to 18 V

Io = 8 mA to 150 mA

4.9

5.0

5.1

V

Vo

Vo_ref

Output voltage

VS = 5.6 V to 31 V

Io = 8 mA to 150 mA

4.85 5.0

5.15

V

Vo

Vo_ref

Output voltage

VS = 5.6 V to 31 V

Io = 0.1 mA to 8 mA

4.75 5.0

5.25

V

Vo

Ishort

Short-circuit current

VS = 13.5 V

0.65 0.95 1.25

A

Vo

Ilim

Output current capability (1)

VS = 13.5 V

280 470

660

mA

VS, Vo

Vline

Line regulation voltage

VS = 6 V to 28 V

Io = 30 mA

––

40

mV

Vo

Vload

Load regulation voltage

VS = 8 V to 18 V,

Io = 8 mA to 150 mA

––

55

mV

VS = 13.5 V,

Tj = 25 °C

Io = 8 mA to 150 mA

––

40

VS, Vo

Vdp

Drop voltage (2)

Io = 150 mA

–

–

500

mV

VS, Vo

SVR

Ripple rejection

fr = 100 Hz(3)

–48

–

dB

Vo

Ioth_H

Normal consumption mode

output current

VS = 8 V to 18 V

8

–

–

mA

Vo

Ioth_L

Very low consumption mode

output current

VS = 8 V to 18 V

–

–

1.1

mA

Vo

Ioth_Hyst

Output current switching

threshold hysteresis

VS = 13.5 V

Tj = 25 °C

–0.8

–

mA