Datasheet > UDN2544

UDN2544

更新时间： 2024-11-27 22:17:47

品牌	Logo	应用领域
急速微 - ALLEGRO		驱动器
页数	文件大小	规格书
4页	115K
描述
QUAD DARLINGTON POWER DRIVER

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UDN2544 数据手册

2544

QUAD DARLINGTON

POWER DRIVER

Combining logic gates and high-current bipolar outputs, the

UDN2544B quad Darlington power driver provides an interface be-

tween low-level logic circuitry and high-power loads. Each of the four

outputs can sink up to 1.8 A in the on state with peak inrush currents

to 2.5 A. The four power outputs are each comprised of an open-

collector Darlington driver and an internal flyback/clamp diode for

switching inductive loads. They feature a minimum breakdown and

sustaining voltage of 50 V. The logic inputs are compatible with TTL

and 5 V CMOS logic systems.

OUT

14 ENABLE

OUT

GROUND

This device is particularly well-suited for unipolar stepper motor

drive applications. With complementary control inputs and an active-

low ENABLE, the UDN2544B makes it easy to implement full stepping

of a stepper motor with only two microcontroller/microprocessor control

lines. Other typical applications include relay or solenoid driving and

incandescent or LED lamp driving.

GROUND

OUT

The UDN2544B is supplied in a 16-pin batwing power DIP. The

batwing construction provides for maximum package power dissipation

in a standard DIP construction. At 25°C, and with only 1 sq. in. of

copper foil at the ground tabs, the package is capable of safely dissi-

pating 3.8 W.

Dwg. PP-017A

FEATURES

I 1.8 A Continuous Output Current

I Output Voltage to 50 V

I Inputs Configured for Unipolar Stepper Motors

I Active-Low Output Enable

ABSOLUTE MAXIMUM RATINGS

I TTL and 5 V CMOS Compatible Inputs

I Integral Transient-Suppression Diodes

at T_A= 25°C

Output Voltage, V_OUT.............................50 V

Output Current, I_OUT

(Peak) ........................................... 2.5 A

(Continuous) ................................. 1.8 A

Logic Supply Voltage, V_CC....................7.0 V

Input Voltage, V_IN..................................7.0 V

Package Power Dissipation,

P_D......................................... See Graph

Operating Temperature Range,

T_A.................................. -20°C to +85°C

Storage Temperature Range,

T_S................................ -55°C to +150°C

Always order by complete part number: UDN2544B .

12 3 4

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与UDN2544相关器件

型号	品牌	获取价格	描述	数据表
UDN2544B	ALLEGRO	获取价格	QUAD DARLINGTON POWER DRIVER
UDN-2545B	ETC	获取价格	Stepper Motor Controller/Driver
UDN2547	ALLEGRO	获取价格	PROTECTED QUAD POWER DRIVERS
UDN2547B	ALLEGRO	获取价格	PROTECTED QUAD POWER DRIVERS
UDN2547B	VISHAY	获取价格	Peripheral Driver, 4 Driver, BIPolar, PDIP16,
UDN2547EB	ALLEGRO	获取价格	PROTECTED QUAD POWER DRIVERS
UDN2547EB	VISHAY	获取价格	Peripheral Driver, 4 Driver, BIPolar, PQCC28,
UDN2547EBTR	ALLEGRO	获取价格	暂无描述
UDN2549	ALLEGRO	获取价格	PROTECTED QUAD POWER DRIVER
UDN2549B	ALLEGRO	获取价格	PROTECTED QUAD POWER DRIVER