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UDN2549EB

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
8页 138K
描述
PROTECTED QUAD POWER DRIVER

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中文翻译

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UDN2549EB 数据手册

 浏览型号UDN2549EB的Datasheet PDF文件第2页浏览型号UDN2549EB的Datasheet PDF文件第3页浏览型号UDN2549EB的Datasheet PDF文件第4页浏览型号UDN2549EB的Datasheet PDF文件第5页浏览型号UDN2549EB的Datasheet PDF文件第6页浏览型号UDN2549EB的Datasheet PDF文件第7页 
2549  
PROTECTED  
QUAD POWER DRIVER  
Providing improved output current limiting, the UDK/UDN/  
UDQ2549B and UDK/UDN/UDQ2549EB quad power drivers combine  
AND logic gates and high-current bipolar outputs with complete output  
protection. Each of the four outputs will sink 600 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.  
UDx2549B  
1
2
3
4
16  
IN  
IN  
OUT  
4
3
4
15  
14  
K
ENABLE  
GROUND  
GROUND  
OUT  
3
Over-current protection for each channel has been designed into  
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,  
the six devices in this family will tolerate short-circuits on all outputs,  
simultaneously.  
13  
12  
11  
10  
9
GROUND  
5
6
GROUND  
OUT  
2
V
CC  
7
8
K
IN  
IN  
2
1
OUT  
1
Dwg. PP-017-1  
These devices can be used to drive various loads including  
incandescent lamps (without warming or limiting resistors) or inductive  
loads such as relays, solenoids, or dc stepping motors.  
The suffix ‘B’ devices are 16-pin power DIPs while the suffix ‘EB’  
devices are 28-lead power PLCCs for surface-mount applications.  
Both packages are of batwing construction to provide for maximum  
package power dissipation.  
ABSOLUTE MAXIMUM RATINGS  
at TA = 25°C  
Output Voltage, VOUT . . . . . . . . . . . . . 60 V  
FEATURES  
Over-Current Protected Output Voltage,  
V
OUT . . . . . . . . . . . . . . . . . . . . . . . 25 V  
ꢀ 600 mA Output Current per Channel  
ꢀ Independent Over-Current Protection for Each Driver  
ꢀ Thermal Protection for Device and Each Driver  
ꢀ Low Output-Saturation Voltage  
Output Current, IOUT . . . . . . . . . . . . . 1.0 A*  
Supply Voltage, VCC . . . . . . . . . . . . . . 7.0 V  
Input Voltage, VIN or VEN . . . . . . . . . . 7.0 V  
Package Power Dissipation,  
ꢀ Integral Output Flyback Diodes  
PD . . . . . . . . . . . . . . . . . . . . See Graph  
Operating Temperature Range, TA  
ꢀ TTL and 5 V CMOS Compatible Inputs  
ꢀ Pin-Compatible With UDN2543B/EB  
Prefix ‘UDK’ . . . . . . . -40°C to +125°C  
Prefix ‘UDN’ . . . . . . . . -20°C to +85°C  
Prefix ‘UDQ’ . . . . . . . . -40°C to +85°C  
Storage Temperature Range,  
TS . . . . . . . . . . . . . . . -55°C to +150°C  
*Outputs are peak current limited at approximately  
1.0 A per driver. See Circuit Description and  
Applications for further information.  
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., UDK2549EB .  
12345678

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UDN2549EB 替代型号

型号 品牌 替代类型 描述 数据表
UDQ2559B-T ALLEGRO

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