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UDN2540B from A

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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.

Application Scenarios & Design Considerations

QUAD DARLINGTON POWER DRIVER
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.

Application Scenarios & Design Considerations

QUAD DARLINGTON POWER DRIVER

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