VN808 ,OCTAL CHANNEL HIGH SIDE DRIVERABSOLUTE MAXIMUM RATINGSymbol Parameter Value UnitV DC Supply voltage 45 VCCDC Ground pin reverse c ..
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VN808
OCTAL CHANNEL HIGH SIDE DRIVER
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OCTAL CHANNEL HIGH SIDE DRIVER
TYPE RDS(on) IOUT Vcc
l VN808 150 mg 0.7 A 45V
n VCC/2 COMPATIBLE INPUT
n JUNCTION OVERTEMPERATURE
PROTECTION
:1 CASE OVERTEMPERATURE PROTECTION
FOR THERMAL INDEPENDENCE OF THE
CHANNELS
n CURRENT LIMITATION
n SHORTED LOAD PROTECTION
n UNDERVOLTAGE SHUTDOWN
n PROTECTION AGAINST LOSS OF GROUND
a VERY LOW STAND-BY CURRENT
nCOMPLlANCE 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 VlPower 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.
BLOCK DIAGRAM
iii,iiiii,(',,i.
'ttiii',"',''''',!',"'
PowerSO-36
ORDER CODES
PACKAGE TUBE T&R
PowerSO-36 VN808 VN80813TR
In overload condition, channel turns off and back
on automatically so as to maintain junction
temperature between TTSD and TR. If this
condition makes case temperature reach TCSO,
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).
INPUT 1
- - - fl
lNF'UT2 I
CLAMP POWER
UNDERVOLTAG E
DETECTION
-1 Vcc
OUTPUT 1
INPUT 3 1
INPUT 4 _
INPUT 5 LOGIC
INPUT 6
INPUT 7
INPUT 8
CURRENT LIMITER
JUNCTION TEMP.
DETECTION
Same structure for all
channels _]
OUTPUT 2
OUTPUT 3
OUTPUT 4
OUTPUT 5
OUTPUT 6
OUTPUT 7
STATUS
CASE TEM R
DETECTION
OUTPUT 8
July 2004
Rev. 2
ABSOLUTE MAXIMUM RATING
Symbol Parameter Value Unit
Vcc DC Supply voltage 45 V
DC Ground pin reverse current - 250 mA
- IGND TRAN Ground pin reverse current (pulse duration < 1ms) -6 A
IOUT DC Output current Internally Limited A
- IOUT Reverse DC output current - 2 A
|IN DC Input current " 10 mA
VIN Input voltage range -3/+Vcc V
VESD Electrostatic discharge (R=1.5KQ; C=100pF) 2000 V
Ptot Power dissipation TC=25°C 96 W
Lmax Max inductive load (Vcc=24V, RLOAD=48§2, Tamb=100°C) 2 H
Ti Junction operating temperature Internally Limited 'C
Tc Case operating temperature Internally Limited ''C
Tstg Storage temperature - 55 to 150 °C
PIN DEFINITIONS AND FUNCTIONS
Pin No Symbol
TAB Vcc Positive power supply voltage
1 Vcc Positive power supply voltage
2,3,4,5 NC Not connected
6 INPUT 1 Input of channel 1
7 INPUT 2 Input of channel 2
8 INPUT 3 Input of channel 3
9 INPUT 4 Input of channel 4
10 INPUT 5 Input of channel 5
11 INPUT 6 Input of channel 6
12 INPUT 7 Input of channel 7
13 INPUT 8 Input of channel 8
14,15,16,17,18 NC Not connected
19 GND Logic ground
20 STATUS Common open source diagnostic for overtemperature
21,22 OUTPUT 8 High-Side output of channel 8
23,24 OUTPUT 7 High-Side output of channel 7
25,26 OUTPUT 6 High-Side output of channel 6
27,28 OUTPUT 5 High-Side output of channel 5
29,30 OUTPUT 4 High-Side output of channel 4
31,32 OUTPUT 3 High-Side output of channel 3
33,34 OUTPUT 2 High-Side output of channel 2
35,36 OUTPUT 1 High-Side output of channel 1
2/12 dry
