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PDF L9341V Data sheet ( Hoja de datos )
| Número de pieza | L9341V | |
| Descripción | QUAD LOW SIDE DRIVER | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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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 Ω
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.
1 page  
Figure 4: Synchronous Serial Interface Protocol.
L9341
CS
SCLK
SDI
SDO
MSB 14 13 12 11
MSB 14 13 12 11
3 2 1 LSB
3 2 1 LSB
CS
SCLK
SDI
SDO
tclcl tchcl
t clz t d
tch tcl
t su th
15
15
t oh
t clch
t chch
0
t zch
14 0
fclock
tch
tcl
tcicl
tchcl
tclch
tchch
tciz
tzch
tsu
th
td
toh
Clock Frequency
Width of Clock Input High Puls
Widh of Clock Input Low Puls
Clock Low Before CS Low
Clock High After CS Low
Clock Low Before CS High
Clock High After CS High
SDO Low-Z CS Low
SDO High-Z CS High
SDI Input Setup Time
SDI Input Hold Time
SDO Output Delay Time (CL = 50pF)
SDO Output Hold Time
min. DC
min. 200ns
min. 200ns
min. 200ns
min. 200ns
min. 200ns
min. 200ns
min. 0ns
min. 80ns
min. 80ns
min. 0ns
max. 2MHz
max. 400ns
max. 400ns
max. 100ns
5/10
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| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet L9341V.PDF ] | |
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