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L9788 Datasheet(PDF) 101 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) 101 Page - STMicroelectronics

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 101 / 264 page
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DS12308 Rev 4
101/264
L9788
Low-side drivers
263
LS_RdsON_
RL4
Low-side RdsON
VB_IN = 3.1 V,
ILOAD = 0.6 A
--
3
Ω
RLY4
OUTx_lkg
Output leakage
current
Output disabled,
diagnostic off
-10
-
+10
µA
RLY/1/2/3/4/5
Irev_OUTx
Body diode reverse
current voltage drop
ILOAD = -0.6 A
-
-
2
V
RLY/1/2/3/4/5
SR_ON
Voltage slew ON
State
From 80% to 30% of
VOUT, VB_IN = 14 V,
Rload = 68 Ω
Cload = 10 nF
0.4
-
2.1
V/µs RLY/1/2/3/4/5
SR_OFF
Voltage slew OFF
State
From 30% to 80% of
VOUT, VB_IN = 14 V,
Rload = 68 Ω
Cload = 10 nF
0.4
-
2.1
V/µs RLY/1/2/3/4/5
S/RGkill
FAST VS/R off when
an OVC fault
happens
From 30% to 80% of
VOUT, VB_IN = 14 V,
Rload = 68 Ω
Cload = 10 nF
5
-
20
V/µs RLY/1/2/3/4/5
Ton_OUTx
Propagation Delay
from MSC_EN rising
edge to 80% output
OUTx voltage
VOUT, VB_IN = 14 V,
Rload = 68 Ω
Cload = 10 nF
-
-
10
µs
RLY/1/2/3/4/5
Toff_OUTx
Propagation Delay
from MSC_EN falling
edge to 20% output
OUTx voltage
VB_IN = 14 V,
Rload = 68 Ω
Cload = 10 nF
-
-
10
µs
RLY/1/2/3/4/5
Vclamp_OUTx
OUTx clamping
Voltage
ILOAD = 0.6 A
45
-
55
V
RLY/1/2/3/4/5
Vclamp_OUTx
_high_curr
OUTx clamping
Voltage
ILOAD = 1 A
Guaranteed by design,
provided single pulse
energy limits are not
violated by clamping
action
45
-
55
V
RLY/1/2/3/4/5
-
Over current driver
threshold
-
1
1.5
2
A
RLY/1/2/3/4/5
I_LS_ocv_flt
LS overcurrent filter
time
Guaranteed by scan
4
-
7
µs
RLY/1/2/3/4/5
T_SD_HIGH
Temperature shut
down
-
185
-
200
°C
RLY/1/2/3/4/5
Table 48. Low-side driver - RELAY electrical characteristics (continued)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Pin



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