Darlington driver The ULN2003AFWG is a high-voltage, high-current Darlington transistor array manufactured by Toshiba. Here are its key specifications, descriptions, and features:
### **Specifications:**
- **Configuration:** 7-channel Darlington transistor array
- **Voltage Rating:**
- **Output Voltage (VCE):** 50V (max)
- **Input Voltage (VIH):** 3V (min for logic high)
- **Current Rating:**
- **Output Current (IC per channel):** 500mA (max)
- **Total Output Current (IC total):** 2.5A (max for all channels combined)
- **Power Dissipation (PD):** 2.25W (max)
- **Input Compatibility:** TTL, CMOS, and PMOS logic levels
- **Operating Temperature Range:** -20°C to +85°C
- **Package Type:** SOIC-16 (wide-body)
### **Descriptions:**
- The ULN2003AFWG is designed for driving high-current loads such as relays, solenoids, stepper motors, and LED displays.
- Each channel consists of a Darlington pair with common-cathode clamp diodes for inductive load protection.
- It is widely used in industrial, automotive, and consumer electronics applications.
### **Features:**
- **Built-in Suppression Diodes:** For inductive load protection.
- **High Output Current:** Capable of driving loads up to 500mA per channel.
- **Wide Voltage Range:** Compatible with 5V, 12V, and 24V systems.
- **TTL/CMOS Compatible Inputs:** Allows direct interfacing with microcontrollers and logic circuits.
- **Cascadable:** Multiple devices can be connected for higher current handling.
This information is based solely on the manufacturer's datasheet and technical documentation.
