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PDF ( 数据手册 , 数据表 ) L9333

零件编号 L9333
描述 QUAD LOW SIDE DRIVER
制造商 STMicroelectronics
LOGO STMicroelectronics LOGO 


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L9333 数据手册, 描述, 功能
L9333
s WIDE OPERATING SUPPLY VOLTAGE
RANGE FROM 4.5V UP TO 32V FOR
TRANSIENT 45V
s VERY LOW STANDBY QUIESCENT
CURRENT TYPICALLY < 2µA
s INPUT TO OUTPUT SIGNAL TRANSFER
FUNCTION PROGRAMMABLE
s HIGH SIGNAL RANGE FROM -14V UP TO 45V
FOR ALL INPUTS
s 3.3V CMOS COMPATIBLE INPUTS
s DEFINED OUTPUT OFF STATE FOR OPEN
INPUTS
s FOUR OPEN DRAIN DMOS OUTPUTS, WITH
RDSon = 1.5FOR VS > 6V AT 25°C
s OUTPUT CURRENT LIMITATION
s CONTROLLED OUTPUT SLOPE FOR LOW EMI
s OVERTEMPERATURE PROTECTION FOR
EACH CHANNEL
s INTEGRATED OUTPUT CLAMPING FOR FAST
INDUCTIVE RECIRCULATION VFB > 45V
BLOCK DIAGRAM
QUAD LOW SIDE DRIVER
PRODUCT PREVIEW
MULTIPOWER BCD TECHNOLOGY
SO20 & SO20 (12+4+4)
ORDERING NUMBER:
L9333MD
L9333
(SO20 12+4+4)
(SO20)
s STATUS MONITORING FOR
- OVERTEMPERATURE
- DISCONNECTED GROUND OR SUPPLY
VOLTAGE
DESCRIPTION
The L9333 is a monolithic integrated quad low side
driver. It is intended to drive lines, lamps or relais in
automotive or industrial applications.
IN 4
IN 1
C HA NN E L 4
VS
R IN
PR G
PR G
R IN
OUT 4
=
&
TH ER MA L
S HUT-
DOWN
4
D IA G-
N O S TIC
LO G IC
C H A NN E L1
OUT 1
DIA G
R EN
EN
VS
G ND
V int
R E FER E NC E V log ic
January 2000
This is preliminary information on a new product now in development. Details are subject to change without notice.
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L9333 pdf, 数据表
L9333
Figure 2. Application for Inverting Transfer Polarity
VCC = 5V or 3.3V
BOARD VOLTAGE 14 V
33µF
VCC
INT
A 0:8
Adressdecoder
8
D0
D1
D2
D3
GND
VS
PRG
DIAG
EN
L9333
IN 1 OUT 1
IN 2 OUT 2
IN 3 OUT 3
IN 4 OUT 4
GND
M
2 W 12 mH 250 mA
240
50 kHz 10µH
50pF
VCC = 5V
VCC
IN
G ND
Figure 3. Application for non Inverting Transfer Polarity
BOARD VOLTAGE 14 V
33µF
VS
PRG
DIAG
EN
L9333
IN 1 OUT 1
IN 2 OUT 2
IN 3 OUT 3
IN 4 OUT 4
GND
M
2 W 12 mH 250 mA
VCC = 5V
10µH
240
50pF
VCC
IN
GND
Note We recommend to use the device for driving inductive loads with flyback energy EFB 2mJ.
8/13














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