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L9788 Datasheet(PDF) 20 Page - STMicroelectronics

Part # L9788
Description  Multifunction IC for automotive engine management system
PDF  264 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9788 Datasheet(HTML) 20 Page - STMicroelectronics

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Absolute maximum ratings
L9788
20/264
DS12308 Rev 4
2
Absolute maximum ratings
The component withstands all the following stimuli without any damage or latch-up.
Exceeding any of these values or sustaining it for extended periods may lead to
characteristics degradation or component damage.
All voltages are related to analog ground
Tj -40 to 175 °C unless otherwise specified.
Table 3. Absolute maximum ratings
Pin name
Parameter
Referred to
Constr.
Min
Max
Unit
Pin(1)
Direction
VB_IN
Chip supply
voltage
GND1
-
-0.3
+40
V
S
10 ms
(ISOpulse1)
VB_IN pin shorted
with VB_IN_SW
-2
-
V
S
VB_IN_SW
Buck supply
voltage
GND1
-
-0.3
+40
V
S
10 ms
(ISOpulse1)
-2
-
V
S
VBAT_Sense
Battery supply
voltage sense
GND1
-
-0.3
+40
V
S
VBAT_Sense
Input current
GND1
Protect from
Reverse battery
with 1k Ω resistor
-16
-
mA
S
VBAT_Sense
Input current
GND1
Protect from
ISOPULSE 1 with
1 kΩ resistor
-150
-
mA
S
VB_STBY
Standby function
supply voltage
for EOT
GND1
-
-16
+40
V
S
Boost_G
Boost LS gate
voltage
GND1
-
-0.3
+20
V
O
VPRE
Buck output
voltage
GND1
-
-0.3
+20
V
S
Buck_SW
Buck switching
pin
GND1
-
-0.3(2)
+40
V
S
Buck_C_BST
Bootstrap
capacitor pin
GND1
-
-0.3
+45
V
I
VDD5_GATE
5 V linear
regulator pre-
driver output
GND1
-
-0.3
+20
V
O
VDD5_IN
5 V regulator
feedback
voltage
GND1
-
-0.3
+20
V
S



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