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L9341 fiches techniques PDF

STMicroelectronics - QUAD LOW SIDE DRIVER

Numéro de référence L9341
Description QUAD LOW SIDE DRIVER
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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L9341 fiche technique
L9341
DU/DT AND DI/DT CONTROL
PWM CONTROLLED OUTPUT CURRENT
SHORT CURRENT PROTECTION AND DI-
AGNOSTIC
INTEGRATED FLYBACK DIODE
UNDERVOLTAGE SHUTDOWN
OVERVOLTAGE AND UNDERVOLTAGE DI-
AGNOSTIC
OVERTEMPERATURE DIAGNOSTIC
DESCRIPTION
The L9341 is a monolithic integrated circuit real-
ized in Multipower BCD-II mixed technology. The
driver is intended for inductive loads in synchro-
nous PWM applications, especially for valve driv-
QUAD LOW SIDE DRIVER
AVANCE DATA
MULTIPOWER BCD TECHNOLOGY
Multiwatt 15
ORDERING NUMBERS: L9341V
L9341H
ers. The output voltage and current rise and fall
slopes du/dt and di/dt are controlled.
BLOCK & APPLICATION DIAGRAM
Vcc VCC
4
I cc
10uF
10nF
REXT
12
R ext
12.4k
RES1
9
RES2
10
CS
3
SCLK
11
SDI
5
SDO
13
OSC
6
C
OSC
UNDERVOLTAGE
SHUTDOWN
THERMAL
FLAG
BIAS
SERIAL
INTERFACE
&
PWM
CONTROLL
GND
8
I
GND
Vs
Is
VS
7
DIAGNOSTIC
COMP1
COMP2
V
flyth
V
offth
DRIVER
di / dt & du / dt
CONTROL
SHORT
CURRENT
PROTECTION
I outs
CHANNEL 1
CHANNEL 2
CHANNEL 3
CHANNEL 4
220nF
CD
BAT
BAT
OUT1
2
IOUT1
10nF
C
O1
OUT2
1
I
OUT2
C
O2
10nF
OUT3
15
I
OUT3
C
O3
10nF
OUT4
14
IOUT4
C
O4
10nF
March 1994
1/10
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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