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Allegro MicroSystems
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A-2984 Datasheet Preview

A-2984 Datasheet

8-CHANNEL SOURCE DRIVERS

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A-2984 pdf
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2981 THRU
2984
UDN2981A thru UDN2984A
1 18
2 17
3 16
4 15
5 14
6 13
7 12
8 11
VS GND
Dwg. No. A-10, 243
Note that the UDN2980A series (dual in-line
package) and UDN2980LW series (small-outline
IC package) are electrically identical and share a
common terminal number assignment.
ABSOLUTE MAXIMUM RATINGS
at 25°C Free-Air Temperature
Output Voltage Range, VCE
(UDN2981A, UDN2982A,
UDN2982LW, and A2982SLW) . . 5 V to 50 V
(UDN2983A, UDN2984A,
UDN2984LW, and A2984SLW) . 35 V to 80 V
Input Voltage, VIN
(UDN2981A and UDN2983A) . . . . . . . . . 15 V
(UDN2982A, UDN2984A,
UDN2982LW, UDN2984LW,
A2982SLW, and A2984SLW) . . . . . . . . . 20 V
Output Current, IOUT . . . . . . . . . . . . . . -500 mA
Package Power Dissipation,
PD . . . . . . . . . . . . . . . . . . . . . . . See Graph
Operating Temperature Range,
TA . . . . . . . . . . . . . . . . . . . . -20°C to +85°C
Storage Temperature Range,
TS . . . . . . . . . . . . . . . . . . . -55°C to +150°C
8-CHANNEL SOURCE DRIVERS
Recommended for high-side switching applications that benefit from
separate logic and load grounds, these devices encompass load supply
voltages to 80 V and output currents to -500 mA. These 8-channel source
drivers are useful for interfacing between low-level logic and high-current
loads. Typical loads include relays, solenoids, lamps, stepper and/or servo
motors, print hammers, and LEDs.
All devices may be used with 5 V logic systems — TTL, Schottky TTL,
DTL, and 5 V CMOS. The UDN2981A, UDN2982A, UDN2982LW, and
A2982SLW are electrically interchangeable, will withstand a maximum
output off voltage of 50 V, and operate to a minimum of 5 V; the UDN2983A,
UDN2984A, UDN2984LW, and A2984SLW drivers are electrically inter-
changeable, will withstand an output voltage of 80 V, and operate to a
minimum of 35 V. All devices in this series integrate input current limiting
resistors and output transient suppression diodes, and are activated by an
active high input.
The suffix ‘A’ (all devices) indicates an 18-lead plastic dual in-line
package with copper lead frame for optimum power dissipation. Under
normal operating conditions, these devices will sustain 120 mA continuously
for each of the eight outputs at an ambient temperature of +50°C and a supply
of 15 V.
The suffix ‘LW’ (UDN2982LW and UDN2984LW only) indicates an 18-
lead surface-mountable wide-body SOIC package; the A2982SLW and
A2984SLW are provided in a 20-lead wide-body SOIC package with im-
proved thermal characteristics.
The UDN2982A, UDN2982LW, A2982SLW, UDN2984A,
UDN2984LW, and A2984SLW drivers are also available for operation over
an extended temperature range to -40°C. To order, change the prefix ‘UDN’
to ‘UDQ’ or the suffix ‘SLW’ to ‘ELW’.
FEATURES
I TTL, DTL, PMOS, or CMOS Compatible Inputs
I 500 mA Output Source Current Capability
I Transient-Protected Outputs
I Output Breakdown Voltage to 80 V
I DIP or SOIC Packaging
Always order by complete part number, e.g., UDN2981A .
Note that all devices are not available in all package styles.



Allegro MicroSystems
Allegro MicroSystems

A-2984 Datasheet Preview

A-2984 Datasheet

8-CHANNEL SOURCE DRIVERS

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A-2984 pdf
www.DataSheet4U.com
2981 THRU 2984
8-CHANNEL
SOURCE DRIVERS
One of Eight Drivers
V5
9
20 K
INPUT
GROUND
2983/84 ONLY
1.5 K
7.2 K
3K
OUTPUT
Dwg. No. A-10,242B
2.5
A2982SLW and A2984SLW
1
2
3
4
5
6
7
8
+VS
NO
CONNECTION
9
10 NC
20
19
18
17
16
15
14
13
12 GROUND
NC 11
NO
CONNECTION
Dwg. PP-064-2
18-PIN DIP, RθJA = 60°C/W
2.0
20-LEAD SOIC, RθJA = 70°C/W
18-LEAD SOIC, RθJA = 80°C/W
1.5
1.0
0.5
0
25
50 75 100 125
AMBIENT TEMPERATURE IN °C
150
Dwg. GP-022-4
115 Northeast Cutoff, Box 15036
2 Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright © 1977, 2000 Allegro MicroSystems, Inc.


Part Number A-2984
Description 8-CHANNEL SOURCE DRIVERS
Maker Allegro MicroSystems
Total Page 10 Pages
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