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L5965 Datasheet(PDF) 7 Page - STMicroelectronics

Part # L5965
Description  Power management for automotive vision and radar systems
PDF  73 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5965 Datasheet(HTML) 7 Page - STMicroelectronics

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Pin name
Absolute maximum rating
Operating voltage
Min
Max
Unit
Min
Max
Unit
VREG3_S
-0.3
4.6
V
-0.5
3.6
V
PGND3
-0.3
0.3
V
-0.3
0.3
V
VIN4
-0.3
6.5
V
-0.3
5.5
V
BST4
PH4-0.3
PH4+4.6
V
PH4-0.3
PH4+3.6
V
PH4
-1
6.5
V
-1
5.5
V
VREG4_S
-0.3
4.6
V
-0.5
3.6
V
PGND4
-0.3
0.3
V
-0.3
0.3
V
PH5
-0.3
9
V
-0.3
8
V
VBOOST_S
-0.3
13
V
-0.3
7.5
V
PGND5
-0.3
0.3
V
-0.3
0.3
V
Debug
-0.3
42
V
-0.3
20
V
COMP1
-0.3
4.6
V
-0.3
3.6
V
COMP2
-0.3
4.6
V
-0.3
3.6
V
3.2
Thermal data
3.2.1
Thermal resistance
Table 3. Operation junction temperature
Symbol
Parameter
Board
Value unit
Unit
Rth j-a-2s
Thermal resistance junction-to-ambient
2s
66
°C/W
Rth j-a-2s2p
2s2p
32
°C/W
Rth j-a-2s2pv
2s2p+vias
26
°C/W
Rth j-case
Thermal resistance junction-to-case
2.2
°C/W
3.2.2
Thermal warning and protection
Table 4. Temperature thresholds
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
TSD_TH
Thermal Shutdown
–
160
175
190
°C
TSD_hys
Hysteresis
0.5
4
8
°C
TOT_THx (x=1-7)
Over temperature warning
–
140
155
170
°C
TOT_hysx (x=1-7)
Hysteresis
3
7
11
°C
TSD_filter
Thermal Filter time
–
–
16
–
µs
Tj
Junction temperature
Tj
-40
150
°C
Tstg
Storage temperature
Tstg
150
°C
According to the below formula and considering TSD_TH thermal shutdown minimum threshold at 160 °C, the
maximum suggested power dissipation is:
PDISS_suggested = (TSHD -TAMB) / RTHJ-A
L5965
Thermal data
DS12567 - Rev 3
page 7/73



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