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L9346PD 数据表(PDF) 7 Page - STMicroelectronics

部件名 L9346PD
功能描述  QUAD INTELLIGENT POWER LOW SIDE SWITCH
PDF  13 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L9346PD 数据表(HTML) 7 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Value Tj1
Value Tj2
Unit
Min.
Typ.
Max.
Min.
Max.
Inputs IN1-4, EN
VIN,EN L
Logic Input/Enable Low
Voltage
-0.3
1
0.8
V
VIN,EN H
Logic Input/Enable High
Voltage
IN, EN
2.0
16
V
VEN,IN hys
Logic Input Hysteresis
0.2
0.4
0.8
V
IIN
Input Sink Current
VIN = 2 to 12V
5)
10
30
60
240
µA
IEN
Enable Sink Current
10
20
40
240
µA
Timing
tDON
Output Delay ON Time
6) Fig. 7
4
25
µs
tD OFF
Output Delay OFF Time
6) Fig. 7
5
15
30
µs
tDH-L, Diag
Diag. Delay Output
OFF Time
6) Fig. 6
8
65
90
µs
tD IOU
Diagnostic Open Load
Delay Time
VS = 9 to 16V, Fig 8
IO
≤ IOUC
850
µs
tDOL
Diagnostic Overload
Delay Switch-OFF Time
VS = 9 to 16V, Fig 8
IO >IOOC
50
160
300
µs
tDEN ON
Enable ON Time
6) Fig. 7
4
25
µs
tD EN OFF
Enable OFF Time
6) Fig. 7
4
25
µs
NOTE:
5) Open pins (EN, IN) are detected as low
6) VS = 9 to 16V ∧ IOUC ≤ IO ≤ IOOC
DIAGNOSTIC TABLE
CONDITIONS
EN
IN
OUT
DIAG.
Normal Function
L
X
off
L
H
L
off
L
HH
on
7)
H
GND short
VOtyp < 0.55VS
L
X
off
H
Load bypass
∆VO1-4/2-3 ≥ 1.25V
H
L
off
H
Open Load
IO1,2,3,4typ < 320mA
H
H
on
7)
L
Tjtyp
≥ 190°C Overtemperature 8)
X
X
off
L
Over Load
IOmin 1,3 >5A
IOmin 2,4 >3A
H
H
off
L
Reset and Overtemperature Latch
X
DC don’t care
DC don’t care
NOTE:
7) For VS = 4.5 to 6.5V, IO ≤ 2A, the diag. table is valid
8) If one diag. status shows the overtemperature, recognition, in parallel this output will be switched OFF internally.
The corresponding channel should be switched OFF additionally by its input signal, otherwise the overload latch will be set aftertDOL is passed.
This behaviour is related to the overdrop sensing which is used as over load recognition.
The overtemperature is latched (DIAG = L) until the level of the IN signal changes to low.
L9346
7/13



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