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ULN2805A. from ST,ST Microelectronics

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ULN2805A.

Manufacturer: ST

EIGHT DARLINGTON ARRAYS

Partnumber Manufacturer Quantity Availability
ULN2805A.,ULN2805A ST 262 In Stock

Description and Introduction

EIGHT DARLINGTON ARRAYS The ULN2805A is a high-voltage, high-current Darlington transistor array manufactured by STMicroelectronics.  

### **Specifications:**  
- **Configuration:** 8-channel Darlington transistor array  
- **Output Current per Channel:** 500 mA (max)  
- **Output Voltage (VCE):** 50 V (max)  
- **Input Voltage (VIH):** 2.5 V (min for logic high)  
- **Input Voltage (VIL):** 0.8 V (max for logic low)  
- **Input Current (IIH/IIL):** 25 µA (max)  
- **Power Dissipation (PD):** 2.25 W (total package)  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package Type:** DIP-18, SO-18  

### **Features:**  
- **High-Voltage Outputs:** Up to 50 V  
- **High-Current Capability:** 500 mA per channel  
- **Integrated Suppression Diodes:** For inductive load switching  
- **TTL/CMOS Compatible Inputs:** 5V logic compatible  
- **Cascaded Channels:** Can be used in parallel for higher current  

### **Applications:**  
- Relay drivers  
- Lamp drivers  
- Display drivers (LED, incandescent)  
- Logic buffers  
- Motor controllers  

The ULN2805A is designed for interfacing between low-level logic circuits and high-power loads.

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