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UDN2540B

Manufacturer: A

QUAD DARLINGTON POWER DRIVER

Partnumber Manufacturer Quantity Availability
UDN2540B A 300 In Stock

Description and Introduction

QUAD DARLINGTON POWER DRIVER The UDN2540B is a dual peripheral driver manufactured by Allegro MicroSystems.  

### **Specifications:**  
- **Output Current:** 1.5 A per channel (sink)  
- **Output Voltage:** 50 V  
- **Supply Voltage (VCC):** 4.5 V to 25 V  
- **Logic Input Compatibility:** TTL, CMOS  
- **Power Dissipation:** 3 W (per driver)  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package Type:** 16-pin DIP  

### **Descriptions:**  
- The UDN2540B is designed for driving inductive loads such as relays, solenoids, and stepper motors.  
- It includes two independent drivers with built-in protection diodes for inductive kickback.  
- Each channel has a Darlington output stage for high current drive capability.  

### **Features:**  
- **High-Current Sink Outputs**  
- **Internal Flyback Diodes**  
- **TTL/CMOS Compatible Inputs**  
- **Thermal Shutdown Protection**  
- **Short-Circuit Protection**  
- **Wide Operating Voltage Range**  

For detailed electrical characteristics and application notes, refer to the official datasheet from Allegro MicroSystems.

Partnumber Manufacturer Quantity Availability
UDN2540B ALLEGRO 148 In Stock

Description and Introduction

QUAD DARLINGTON POWER DRIVER The UDN2540B is a quad power driver manufactured by Allegro MicroSystems. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Output Configuration:** Quad Half-Bridge  
- **Output Type:** Open Collector  
- **Voltage - Supply (Vcc/Vdd):** 10V to 45V  
- **Current - Output / Channel:** 500mA  
- **Operating Temperature:** -20°C to +85°C  
- **Mounting Type:** Through Hole  
- **Package / Case:** 16-DIP  

### **Descriptions:**  
- The UDN2540B is a monolithic quad half-bridge driver designed for inductive loads such as relays, solenoids, and DC motors.  
- It includes four open-collector Darlington pairs with integral suppression diodes for inductive load protection.  
- Suitable for interfacing between low-level logic and high-current/high-voltage loads.  

### **Features:**  
- **High-Voltage Outputs:** Up to 45V  
- **High Output Current:** 500mA per channel  
- **Built-in Suppression Diodes:** For inductive load protection  
- **TTL/CMOS Compatible Inputs:** Eases interfacing with logic circuits  
- **Thermal Shutdown Protection:** Prevents damage from overheating  

For further details, refer to the official Allegro MicroSystems datasheet.

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