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ULN2803A-外围驱动器和传动器-其它接口-接口
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TI产品 - ULN2803A介绍

ULN2803A - 达林顿晶体管阵列

ULN2803A是TI德州仪器公司的一款外围驱动器和传动器产品,ULN2803A是达林顿晶体管阵列,本站介绍了ULN2803A的封装应用图解、特点和优点、功能等,并给出了与ULN2803A相关的TI元器件型号供参考。

ULN2803A - 达林顿晶体管阵列 - 外围驱动器和传动器 - 其它接口 - 德州仪器

产品特性
  • 500-mA-Rated Collector Current (Single Output)
  • High-Voltage Outputs: 50 V
  • Output Clamp Diodes
  • Inputs Compatible With Various Types of Logic
  • Relay-Driver Applications
  • Compatible with ULN2800A Series
产品应用
  • Relay Drivers
  • Hammer Drivers
  • Lamp Drivers
  • Display Drivers (LED and Gas Discharge)
  • Line Drivers
  • Logic Buffers
产品说明

The ULN2803A device is a high-voltage, high-current Darlington transistor array. The device consists of eight NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collector-current rating of each Darlington pair is 500 mA. The Darlington pairs may be connected in parallel for higher current capability.

Applications include relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and logic buffers. The ULN2803A device has a 2.7-kΩ series base resistor for each Darlington pair for operation directly with TTL or 5-V CMOS devices.

产品器件信息
PART NUMBERPACKAGE (PIN)BODY SIZE (NOM)
ULN2803SOIC (18)11.50 mm × 7.50 mm
PDIP (18)22.48 mm × 6.35 mm
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