udn2985 Allegro MicroSystems, Inc., udn2985 Datasheet

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udn2985

Manufacturer Part Number
udn2985
Description
8-channel Source Driver
Manufacturer
Allegro MicroSystems, Inc.
Datasheet

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Driver Supply Voltage, V
Continuous Output Current,
Input Voltage, V
Package Power Dissipation,
Operating Temperature Range,
Storage Temperature Range,
*Derate at the rate of 18 mW/°C above
T
A
= 25°C.
I
P
T
T
OUT
D
A
S
.............................................. 2.2 W*
............................... -55
............................... -20
........................................ -250 mA
V
2
1
3
4
5
6
7
8
S
IN
............................... 20 V
S
°
.................. 30 V
°
C to +150
°
GND
18
16
15
14
13
12
C to +85
17
11
Dwg. No. A-10,243
°
°
C
C
2985
load supply voltages to 30 V, and load currents to 250 mA, the UDN2985A
source driver is used as an interface between standard low-power digital logic
and LEDs, relays, and solenoids. The outputs feature saturated transistors for
low collector-emitter saturation voltages.
TTL, DTL, and CMOS. This device has a minimum output breakdown rating
of 30 V with a minimum output sustaining voltage of 15 V. The output is
switched on by an active-high input level.
for each of the eight outputs at an ambient temperature of 75°C and a supply
voltage of 15 V. It incorporates input current-limiting resistors and output
transient-suppression diodes.
package. All inputs are on one side of the package, output pins on the other,
to simplify printed wiring board layout.
I TTL, DTL, or CMOS Compatible Inputs
I 250 mA Output Source Current Capability
I Output Transient-Suppression Diodes
I 30 V Minimum Output Breakdown Voltage
I Low Output-Saturation Voltage
Always order by complete part number: UDN2985A .
Recommended for applications requiring separate logic and load grounds,
The UDN2985A driver is for use with 5 V logic systems: TTL, Schottky
Under normal operating conditions, this device can source up to 120 mA
The UDN2985A source driver is supplied in an 18-pin dual in-line
8-CHANNEL SOURCE DRIVER
Dwg. No. DS-1013

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udn2985 Summary of contents

Page 1

... SOURCE DRIVER Recommended for applications requiring separate logic and load grounds, load supply voltages and load currents to 250 mA, the UDN2985A source driver is used as an interface between standard low-power digital logic and LEDs, relays, and solenoids. The outputs feature saturated transistors for low collector-emitter saturation voltages ...

Page 2

... SOURCE DRIVER NOTE: Negative current is defined as coming out of (sourcing) the specified device pin. ° ° 115 Northeast Cutoff, Box 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright © 1984, 2000 Allegro MicroSystems, Inc. µ µ µ µ µ µ µ ...

Page 3

MAX 0.015 MIN 0.022 0.014 18 7.11 6.10 1 1.77 1.15 5.33 MAX 0.39 MIN 0.558 0.356 NOTES: 1. Exact body and lead configuration at vendor’s option within limits shown. 2. Lead spacing ...

Page 4

... POWER SOURCE DRIVERS The products described here are manufactured under one or more U.S. patents or U.S. patents pending. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit improvements in the performance, reliability, or manufacturability of its products. Before placing an order, the user is cautioned to verify that the information being relied upon is current ...

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