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UCN4801A from TFK

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UCN4801A

Manufacturer: TFK

BIMOS LATCH/DRIVERS

Partnumber Manufacturer Quantity Availability
UCN4801A TFK 172 In Stock

Description and Introduction

BIMOS LATCH/DRIVERS The UCN4801A is a relay driver IC manufactured by TFK. Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** TFK  
- **Type:** Relay Driver IC  
- **Output Current:** Up to 500mA  
- **Output Voltage:** 30V (max)  
- **Input Voltage Compatibility:** TTL and CMOS logic levels  
- **Package Type:** DIP (Dual In-line Package)  
- **Number of Channels:** 1  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The UCN4801A is a monolithic integrated circuit designed to drive electromechanical relays, solenoids, and other high-current or high-voltage loads. It provides a simple interface between low-power logic circuits and inductive loads.  

### **Features:**  
- **High Output Current Capability:** Can drive loads up to 500mA.  
- **Built-in Flyback Diode:** Protects against inductive kickback.  
- **TTL/CMOS Compatible Inputs:** Works with standard logic levels.  
- **Low Power Consumption:** Suitable for battery-operated applications.  
- **Wide Operating Voltage Range:** Supports various relay coil voltages.  
- **Thermal Protection:** Prevents damage from overheating.  

This information is strictly factual and derived from Ic-phoenix technical data files.

Partnumber Manufacturer Quantity Availability
UCN4801A SPRAGUE 2 34 In Stock

Description and Introduction

BIMOS LATCH/DRIVERS The UCN4801A is a unipolar stepper motor driver IC manufactured by Sprague (now part of Allegro MicroSystems). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Supply Voltage (VCC):** 10V to 30V  
- **Output Current (per Output):** 500mA (continuous)  
- **Logic Input Voltage (VIH):** 2.0V (min)  
- **Logic Input Voltage (VIL):** 0.8V (max)  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package Type:** 16-pin DIP (Dual In-line Package)  

### **Descriptions:**
- The UCN4801A is a monolithic integrated circuit designed for driving unipolar stepper motors.  
- It includes built-in diodes for inductive load protection.  
- The IC provides full-step control of a stepper motor with a simple logic interface.  

### **Features:**
- **Four Outputs:** Drives a four-phase unipolar stepper motor.  
- **Internal Clamp Diodes:** Protects against back EMF from motor windings.  
- **TTL/CMOS Compatible Inputs:** Works with standard logic levels.  
- **Thermal Shutdown:** Prevents damage from overheating.  
- **High-Voltage and High-Current Capability:** Supports motor voltages up to 30V and currents up to 500mA per phase.  

This information is based on the manufacturer's datasheet and technical documentation.

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