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PDF VN808 Data sheet ( Hoja de datos )
| Número de pieza | VN808 | |
| Descripción | OCTAL HIGH SIDE DRIVER FOR THE AUTOMATION MARKET | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de VN808 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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® VN808
OCTAL CHANNEL HIGH SIDE DRIVER
TYPE
VN808
RDS(on)
160 mΩ
IOUT
0.7 A
VCC
45V
www.DataSheet4U.com
s VCC/2 COMPATIBLE INPUT
s JUNCTION OVERTEMPERATURE
PROTECTION
s CASE OVERTEMPERATURE PROTECTION
FOR THERMAL INDEPENDENCE OF THE
CHANNELS
s CURRENT LIMITATION
s SHORTED LOAD PROTECTION
s UNDERVOLTAGE SHUTDOWN
s PROTECTION AGAINST LOSS OF GROUND
s VERY LOW STAND-BY CURRENT
s COMPLIANCE TO 61000-4-4 IEC TEST UP
TO 4.4KV (see application schematic page 7)
DESCRIPTION
The VN808 is a monolithic device designed in
STMicroelectronics VIPower M0-3 Technology,
intended for driving any kind of load with one side
connected to ground.
Active current limitation combined with thermal
shutdown and automatic restart, protect the
device against overload.
In overload condition, channel turns off and back
on automatically so as to maintain junction
BLOCK DIAGRAM
PRELIMINARY DATA
PowerSO-36
temperature between TTSD and TR. If this
condition makes case temperature reach TCSD,
overloaded channel is turned off and will restart
only when case temperature has decreased down
to TCR (see waveform 3 page 8). Non overloaded
channels continue to operate normally.
Device automatically turns off in case of ground
pin disconnection. This device is especially
suitable for industrial applications conform to IEC
1131 (Programmable Controllers International
Standard).
UNDERVOLTAGE
DETECTION
VCC
INPUT 1
INPUT 2
INPUT 3
INPUT 4
INPUT 5
INPUT 6
INPUT 7
INPUT 8
STATUS
LOGIC
CLAMP POWER
CURRENT LIMITER
JUNCTION TEMP.
DETECTION
Same structure for all
channels
CASE TEMP.
DETECTION
VCC
CLAMP
GND
OUTPUT 1
OUTPUT 2
OUTPUT 3
OUTPUT 4
OUTPUT 5
OUTPUT 6
OUTPUT 7
OUTPUT 8
June 2003
1/11
This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
1 page  
ELECTRICAL CHARACTERISTICS (continued)
PROTECTIONS
Symbol
TCSD
TCR
TCHYST
TTSD
www.DataSheet4U.com
TR
THYST
Ilim
Vdemag
Parameter
Test Conditions
Case shut-down
temperature
Case reset temperature
Case thermal hysteresis
Junction shut-down
temperature
Junction Reset
temperature
Junction thermal hysteresis
DC Short circuit current
Turn-off output clamp
voltage
VCC=24V; RLOAD=10mΩ
IOUT=0.5 A; L=6mH
STATUS PIN
Symbol
Parameter
IHSTAT
ILSTAT
VCLSTAT
High level output current
Leakage current
Clamp voltage
Test Conditions
Vcc=18...32V,RSTAT=1kΩ
(Fault condition)
Normal operation; VCC=32V
ISTAT=1mA
ISTAT= -1mA
APPLICATION EXAMPLE
VN808
Min Typ Max Unit
125 130 135
110
7 15
°C
°C
°C
150 175 200
°C
135
°C
7 15
°C
0.7 1.7 A
VCC-47 VCC-52 VCC-57 V
Min Typ Max Unit
2 3 4 mA
0.1 µA
6.0 6.8 8.0
V
-0.7 V
Filter for bus inductance effect.,
make supply voltage stable and
avoid undervoltage shut down
. . .Vcc24V - 28,2V IEC1132
EMC Filter
..
22µF
Protection for IEC 801-5
Surge test
suggested 1,5KE39xx
Optional protection for Vcc
disconnection.
.. . .
100nF
Vcc/2 compatible inputs
Vin1
Vin2
Vin3
Vin8
Imax 80µA
VN808
Status
Load 2
Load 3
.
Load 8
Load 1
10nF
Protection against
IEC 801-6
Current injection
Test
Status output current
from 2 to 4 mA
RGND
10Ω protection against Vcc disconnection on
Inductive loads
PROTECTIONS INCLUDED IN THE DEVICE:
IEC 801-2 ESD Test better than 2000V Human body model IEC 801-4 Burst Test
5/11
2
5 Page 
www.DataSheet4U.com
VN808
Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences
of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is
granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are
subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products
are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.
The ST logo is a trademark of STMicroelectronics
© 2003 STMicroelectronics - Printed in ITALY- All Rights Reserved.
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - Canada - China - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia -
Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - U.S.A.
http://www.st.com
11/11
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| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet VN808.PDF ] | |
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