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What is UDN2987LWTR-6-T?

This electronic component, produced by the manufacturer "Allegro Microsystems", performs the same function as "DABIC-5 8-Channel Source Driver".


UDN2987LWTR-6-T Datasheet PDF - Allegro Microsystems

Part Number UDN2987LWTR-6-T
Description DABIC-5 8-Channel Source Driver
Manufacturers Allegro Microsystems 
Logo Allegro Microsystems Logo 


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UDN2987x-6
DABIC-5 8-Channel Source Driver
with Overcurrent Protection
Features and Benefits
4.75 to 35 V driver supply voltage
Output enable-disable (OE/R)
350 mA output source current
Overcurrent protected
Internal ground clamp diodes
Output Breakdown Voltage 35 V minimum
TTL, DTL, PMOS, or CMOS compatible inputs
Internal Thermal Shutdown (TSD)
Package: 20-pin SOICW (suffix LW)
Not to scale
Description
Providing overcurrent protection for each of its eight
sourcing outputs, the UDN2987LW-6 driver is used as an
interface between standard low-level logic and relays, motors,
solenoids, LEDs, and incandescent lamps. This device includes
thermal shutdown and output transient protection/clamp diodes
for use with sustaining voltages to 35 V.
In this driver, each channel includes a latch to turn off that
channel if the maximum channel current is exceeded. All
channels are disabled if the thermal shutdown is activated. A
common FAULT output is used to indicate either chip thermal
shutdown or any overcurrent condition.All outputs are enabled
by pulling the common OE/R input high. When OE/¯R is low,
all outputs are inhibited and the eight latches are reset. The
OE/¯R function can be especially important during power-up,
in preventing floating inputs from turning on the outputs.
Under normal operating conditions, each of eight outputs
will source in excess of 100 mA continuously at an ambient
temperature of 25°C and a supply of 35 V. The overcurrent
fault circuit will protect the device from short-circuits to ground
with supply voltages of up to 30 V.
Continued on the next page…
Typical Application
CPU
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
FAULT
OE/R¯
2987
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
GND
VS
1 to 8 Load
Components
4.75 to 35 V
29876-DS, Rev. 6

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UDN2987LWTR-6-T equivalent
UDN2987x-6
DABIC-5 8-Channel Source Driver
with Overcurrent Protection
THERMAL CHARACTERISTICS
Characteristics
Symbol
Test Conditions
Package Thermal Resistance*
RθJA Package LW, on 4-layer board based on JEDEC standard
*Additional thermal information is available on the Allegro Web site.
Rating
48
Unit
°C/W
Power Dissipation versus Ambient Temperature
4.0
3.5
3.0
2.5
2.0
(RPQJaAc=ka4g8e
LW
ºC/W)
1.5
1.0
0.5
0
25 50 75 100 125 150
TA (°C)
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UDN2987LWTR-6-T electronic component.


Information Total 9 Pages
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Featured Datasheets

Part NumberDescriptionMFRS
UDN2987LWTR-6-TThe function is DABIC-5 8-Channel Source Driver. Allegro MicrosystemsAllegro Microsystems

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