产品概览
The ULN2003D1013TR from STMicroelectronics is a 7-channel NPN Darlington transistor array in an SOIC-16 package. Each channel is rated at 500mA continuous collector current with 50V collector-emitter voltage, featuring integral clamp diodes for inductive load driving and 2.7kΩ input resistors for direct TTL/CMOS logic interface.
主要规格
| 通道数 | 7 (Darlington pairs) |
| 集电极-发射极电压 (VCEO) | 50V |
| Continuous Collector Current | 500mA per channel |
| Peak Collector Current | 600mA |
| DC Current Gain (hFE) | 1000 min (IC=350mA) |
| Saturation Voltage (VCEsat) | 1.1V typ. @ IC=200mA |
| Clamp Diode Current | 350mA continuous |
| Clamp Diode Voltage | 1.7V typ. @ IF=350mA |
| Input Voltage (ON) | 2.4V to 3V (ULN2003) |
| Input Current (ON) | 0.93mA typ. |
| Input Resistance | 2.7kΩ (built-in) |
| Switching Delay | 1μs max (on and off) |
| 包装 | SOIC-16 (10 x 4mm) |
| 工作温度 | -40°C to +85°C |
特点
- 7 Darlington pairs with common emitter
- 500mA continuous collector current per channel
- 50V output voltage rating
- Integral suppression diodes for inductive loads
- 2.7kΩ input resistors for TTL/CMOS compatibility
- Minimum DC current gain: 1000 at 350mA
- Inputs pinned opposite outputs for easy PCB layout
- Open-collector outputs
- Parallel channels for higher current capability
应用
- Relay and solenoid drivers
- Stepper motor controllers
- LED display drivers
- DC motor drivers
- Thermal printer head drivers