Datasheet

3/25
L6229
Table 3. Recommended Operating Condition
Table 4. Thermal Data
Symbol Parameter Test Conditions MIN MAX Unit
V
S
Supply Voltage V
SA
= V
SB
= V
S
12 52 V
V
OD
Differential Voltage between:
VS
A
, OUT
1
, OUT
2
, SENSE
A
and
VS
B
, OUT
3
, SENSE
B
V
SA
= V
SB
= V
S
;
V
SENSEA
= V
SENSEB
52 V
V
REF
Voltage Range at pin VREF -0.1 5 V
V
SENSE
Voltage Range at pins SENSE
A
and SENSE
B
(pulsed t
W
< t
rr
)
(DC)
-6
-1
6
1
V
V
I
OUT
DC Output Current V
SA
= V
SB
= V
S
1.4 A
T
J
Operating Junction Temperature -25 125 °C
f
SW
Switching Frequency 100 KHz
Symbol Description PDIP24 SO24
PowerSO36 Unit
R
th(j-pins)
Maximum Thermal Resistance Junction-Pins 19 15 °C/W
R
th(j-case)
Maximum Thermal Resistance Junction-Case 2 °C/W
R
th(j-amb)1
MaximumThermal Resistance Junction-Ambient
(1)
(1) Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the bottom side of 6 cm
2
(with a thickness of 35 µm).
44 55 - °C/W
R
th(j-amb)1
Maximum Thermal Resistance Junction-Ambient
(2)
(2) Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6 cm
2
(with a thickness of 35 µm).
--36°C/W
R
th(j-amb)1
MaximumThermal Resistance Junction-Ambient
(3)
(3) Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6 cm
2
(with a thickness of 35 µm),
16 via holes and a ground layer.
--16°C/W
R
th(j-amb)2
Maximum Thermal Resistance Junction-Ambient
(4)
(4) Mounted on a multi-layer FR4 PCB without any heat-sinking surface on the board.
59 78 63 °C/W