UDQ2559EB Allegro Micro Systems, Inc., UDQ2559EB Datasheet

UDQ2559EB

Manufacturer Part Number

UDQ2559EB

Description

SOP16

Manufacturer

Allegro Micro Systems, Inc.

Datasheet

1.UDN2559LB.pdf (8 pages)

Specifications of UDQ2559EB

Date_code

04+

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GROUND

OUT

Dwg. PP-017-1

ENABLE

GROUND

Always order by complete part number: a prefix to

indicate operating temperature range + the basic four-digit

part number + a suffix to indicate package style, e.g., UDK2559LB .

2559

UDQ2559B, EB, and LB quad power drivers combine AND logic

gates and high-current bipolar outputs with complete output protection.

Each of the four outputs will sink 700 mA in the on state. The outputs

have a minimum breakdown voltage (load dump) of 60 V and a

sustaining voltage of 40 V. The inputs are compatible with TTL and

5 V CMOS logic systems.

these devices and is activated at approximately 1 A. It protects each

output from short circuits with supply voltages up to 25 V. When an

output current trip point is reached, that output stage is driven linearly

resulting in a reduced output current level. If an over-current or short-

circuit condition continues, the thermal-limiting circuits will first sense

the rise in junction temperature and then the rise in chip temperature,

further decreasing the output current. Under worst-case conditions,

these devices will tolerate short circuits on all outputs, simultaneously.

descent lamps (without warming or limiting resistors) or inductive

loads such as relays, solenoids, or dc stepping motors.

devices are 28-lead power PLCCs and suffix ‘LB’ devices are 16-lead

power SOICs for surface-mount applications. All three packages are

of batwing construction to provide for maximum package power

dissipation.

700 mA Output Current per Channel

Independent Over-Current Protection for Each Driver

Thermal Protection for Device and Each Driver

Low Output-Saturation Voltage

Integral Output Flyback Diodes

TTL and 5 V CMOS Compatible Inputs

Pin-Compatible With UDQ2543B/EB and UDK2549B/EB

Providing improved output current limiting, the UDK, UDN, and

Over-current protection for each channel has been designed into

These devices can be used to drive various loads including incan-

The suffix ‘B’ devices are 16-pin power DIPs, the suffix ‘EB’

QUAD POWER DRIVER

PROTECTED

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