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ULN2002A - 产品图解：
ULN2002A-高电压、大电流达林顿晶体管阵列
ULN2002A-外围驱动器和传动器-其它接口-接口
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TI产品 - ULN2002A介绍

ULN2002A - 高电压、大电流达林顿晶体管阵列

ULN2002A是TI德州仪器公司的一款外围驱动器和传动器产品，ULN2002A是高电压、大电流达林顿晶体管阵列，本站介绍了ULN2002A的封装应用图解、特点和优点、功能等，并给出了与ULN2002A相关的TI元器件型号供参考。

ULN2002A - 高电压、大电流达林顿晶体管阵列 - 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
产品应用
  • Relay Drivers
  • Stepper and DC Brushed Motor Drivers
  • Lamp Drivers
  • Display Drivers (LED and Gas Discharge)
  • Line Drivers
  • Logic Buffers
产品说明

The ULx200xA devices are high-voltage, high-current Darlington transistor arrays. Each consists of seven NPN Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads.

The collector-current rating of a single Darlington pair is 500 mA. The Darlington pairs can be paralleled for higher current capability. Applications include relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and logic buffers. For 100-V (otherwise interchangeable) versions of the ULx2003A devices, see the SLRS023 data sheet for the SN75468 and SN75469 devices.

The ULN2002A device is designed specifically for use with 14-V to 25-V PMOS devices. Each input of this device has a Zener diode and resistor in series to control the input current to a safe limit. The ULx2003A devices have a 2.7-kΩ series base resistor for each Darlington pair for operation directly with TTL or 5-V CMOS devices.

The ULx2004A devices have a 10.5-kΩ series base resistor to allow operation directly from CMOS devices that use supply voltages of 6 V to 15 V. The required input current of the ULx2004A device is below that of the ULx2003A devices, and the required voltage is less than that required by the ULN2002A device.

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产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
ULx200xDSOIC (16)9.90 mm × 3.91 mm
ULx200xNPDIP (16)19.30 mm × 6.35 mm
ULN200xNSSOP (16)10.30 mm × 5.30 mm
ULN200xPWTSSOP (16)5.00 mm × 4.40 mm
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