L9347DIE1 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'L9347DIE1' PDF : 21 Pages View PDF
L9347
Diagnostic Table
The status follows the input signal in normal operating conditions.
If any error is detected the status is inverted.
Operating Condition
Normal function
Open load or short to ground
Overload or short to supply
Latched overload
Reset latch
Reset latch
Overtemperature
Latched overtemperature
Reset latch
Reset latch
Recirculation error (reg.chn.)
Latched error
Reset latch
Reset latch
Clock failure (clock loss) (1)
Drift
(2)
Failure
No failure
Test
Input
TEST
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
Enable
Input
ENA
L
L
H
H
L
L
H
H
H
H
H –> L
H
H
H
H –> L
H
H
H
H –> L
H
L
L
H
H
L
L
H
H
Control Input
non-reg./reg.
IN
L
H/PWM
L
H/PWM
L
H/PWM
L
H/PWM
H/PWM
H/PWM
X
H/PWM –> L
H/PWM
H/PWM
X
H/PWM –> L
PWM
PWM
X
PWM –> L
L
H/PWM
L
H/PWM
L
H/PWM
H/PWM
H/PWM
Power Output/
Current reg.
Q
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
ON
(1) during power on sequence only detected on channel 3 and 4 (see description).
(2) This input combination is also used for an internal chip-test and must not be used.
Status
Output
ST
L
L
L
H
X
X
H
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
L
X
X
L
H
12/21
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