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L9680 Datasheet(PDF) 238 Page - STMicroelectronics

Part # L9680
Description  Automotive advanced airbag IC for mid/high end applications
PDF  277 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L9680 Datasheet(HTML) 238 Page - STMicroelectronics

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Electrical characteristics
L9680
238/277
DocID029257 Rev 1
6TFLT_TSD_ERBST
Thermal shutdown filter
time
--
-
10
μs
7TSOFTST_ERBST
ERBOOST Soft-start
Time
Design Info.
Time from activation of
ERBOOST when
overcurrent is 40% of
IOC_ERBST
(IOC_ERBST_ERON) to
instant when overcurrent
is 100% of IOC_ERBST
(IOC_ERBST_ERON)
-
-
1075
μs
Table 36. ERBoost regulator AC specifications (continued)
No
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Table 37. ERBOOST Converter external components design info
No
Symbol
Component
Conditions
Min
Typ
Max
Unit
1LERBST
Inductance
-
8
10
12
μH
2
ESLERBST
Inductance resistance
-
-
-
0.1
Ω
3CBLK_ERBST
Output bulk capacitance to
ensure regulator stability
Min cap value including
derating factors
1
2.2
-
μF
4
ESRCBLK_ERBST Bulk capacitor ESR
-
-
50
mΩ
5VFSTR_ERBST
Steering diode forward
voltage
IF=100 mA
-
-
0.85
V
6ILKGSTR_ERBST
Steering diode reverse
leakage
Ta = 95 °C
-
-
3
mA



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