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L5965 Datasheet(PDF) 14 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) 14 Page - STMicroelectronics

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Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Twk_rec
WKUP high duration in REC
SPI = 10
26
30
33
ms
SPI = 11
35
40
44
ms
GND loss comparator
VGL_TH
GND loss threshold
SGND to PGNDx
0.18
0.27
0.34
V
tGL_filter
GND loss filter
-
-
16
-
µs
Power output UV/OV monitor
VUV_L_ BUCKx, BOOST,
LDO, Vref
Under voltage threshold at falling
edge of output (as % of output).
Referred to the output relative
value
SPI = 0 default
-
91
-
%
SPI = 1
-
86
-
%
VUV_HYS_ BUCKx,
BOOST, LDO, Vref
Hysteresis of UV
-
-
2
3
%
VOV_H_BUCK2
VOV_H_BOOST, LDO
VOV_H_VREF, BUCK1/3/4
Over voltage threshold at rising
edge of output (as % of output).
Referred to the output relative
value
SPI = 0 (default)
-3.5
107
108
107.5
+3.5
%
VOV_H_BUCK2
VOV_H_BOOST, LDO
VOV_H_VREF, BUCK1/3/4
Over voltage threshold at rising
edge of output (as % of output).
Referred to the output relative
value
SPI = 1
-3.5
112
113
112.5
+3.5
%
VOV_HYS_ BUCKx,
BOOST, LDO, Vref
Hysteresis of OV
-
-
2
3
%
tUV_filter_BUCK3,4, BOOST,
LDO, Vref
Under voltage threshold filter time -
-
16
-
µs
tOV_filter_BUCK3,4, BOOST,
LDO, Vref
Over voltage threshold filter time
-
-
16
-
µs
tUV_filter_BUCK1
tUV_filter_BUCK2
Under voltage threshold filter time -
-
40
-
µs
tOV_filter_BUCK1
tOV_filter_BUCK2
Over voltage threshold filter time
-
-
40
-
µs
Power Good
VTH_PGx (x=1,2,3,4)
PGx Threshold as output voltage
percentage. Referred to the
output relative value
SPI = 0 default
-
95
99
%
SPI = 1
-
90
94
%
tGLITCH_PG
Glitch Filter Time for PG
-
-
60
-
µs
Watchdog trigger time
VHWDI
WDI pin threshold high
-
2.3
-
-
V
VLWDI
WDI pin threshold low
-
–
-
1
V
TLW
Long open window
-
160
200
240
ms
TEFW1
Early Failure
Window 1
SPI = 00
-
-
6.4
ms
TLFW1
Late Failure
Window 1
SPI = 00
15.6
-
-
ms
TSW1
Safe Window 1
SPI = 00
7.8
-
12.7
ms
TEFW2
Early Failure
Window 2
SPI = 01
-
-
12.7
ms
L5965
Electrical characteristics
DS12567 - Rev 3
page 14/73



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