Datasheet

Electrical specifications L5150CJ / L5150CS
8/34 Doc ID 15542 Rev. 15
2.2 Thermal data
2.3 Electrical characteristics
Values specified in this section are for V
S
= 5.6 V to 31 V, T
j
= -40 °C to +150 °C unless
otherwise stated.
Table 4. Thermal data
Symbol Parameter
Value
Unit
PowerSSO-12 SO-8
R
thj-case
Thermal resistance junction to case: 8 °K/W
R
thj-lead
Thermal resistance junction to lead: 40 °K/W
R
thj-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 cm
2
.
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 cm
2
.
Thermal resistance junction to ambient: 52 112 °K/W
Table 5. General
Pin Symbol Parameter Test condition Min. Typ. Max. Unit
V
o
V
o_ref
Output voltage
V
S
= 8 V to 18 V
I
o
= 8 mA to 150 mA
4.9 5.0 5.1 V
Vo V
o_ref
Output voltage
V
S
= 5.6 V to 31 V
I
o
= 8 mA to 150 mA
4.85 5.0 5.15 V
Vo V
o_ref
Output voltage
V
S
= 5.6 V to 31 V
I
o
= 0.1 mA to 8 mA
4.75 5.0 5.25 V
Vo I
short
Short-circuit current V
S
= 13.5 V 0.65 0.95 1.25 A
Vo I
lim
Output current capability
(1)
V
S
= 13.5 V 280 470 660 mA
V
S
, Vo V
line
Line regulation voltage
V
S
= 6 V to 28 V
I
o
= 30 mA
40 mV
V
o
V
load
Load regulation voltage
V
S
= 8 V to 18 V,
I
o
= 8 mA to 150 mA
55
mV
V
S
= 13.5 V,
T
j
= 25 °C
I
o
= 8 mA to 150 mA
40
V
S
, V
o
V
dp
Drop voltage
(2)
I
o
= 150 mA 500 mV
V
S
, V
o
SVR Ripple rejection f
r
= 100 Hz
(3)
60 dB
V
o
Io
th_H
Normal consumption mode
output current
V
S
= 8 V to 18 V 8 mA
V
o
Io
th_L
Very low consumption mode
output current
V
S
= 8 V to 18 V 1.1 mA
V
o
Io
th_Hyst
Output current switching
threshold hysteresis
V
S
= 13.5 V
T
j
= 25 °C
0.8 mA