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UC3517N from UC

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15.625ms

UC3517N

Manufacturer: UC

STEPPER MOTOR DRIVE CIRCUIT

Partnumber Manufacturer Quantity Availability
UC3517N UC 30 In Stock

Description and Introduction

STEPPER MOTOR DRIVE CIRCUIT The part **UC3517N** is a specific integrated circuit (IC) manufactured by **Unitrode Corporation** (now part of Texas Instruments). Below are the factual details about its specifications, descriptions, and features based on available data:  

### **Manufacturer:**  
- **Unitrode Corporation** (acquired by Texas Instruments)  

### **Specifications (Key Parameters):**  
- **Function:** Switching Regulator Controller  
- **Topology:** Buck (Step-Down) Converter  
- **Input Voltage Range:** Typically **8V to 40V** (exact range may vary)  
- **Output Voltage:** Adjustable (depends on external components)  
- **Switching Frequency:** Fixed or adjustable (exact value depends on configuration)  
- **Output Current:** Dependent on external MOSFETs and components  
- **Operating Temperature Range:** Industrial-grade (typically **-40°C to +85°C**)  
- **Package Type:** Likely **DIP (Dual In-line Package)** or similar through-hole package  

### **Descriptions:**  
- The **UC3517N** is a **PWM (Pulse Width Modulation) controller** designed for **DC-DC buck converter** applications.  
- It provides control for high-efficiency step-down voltage regulation.  
- Requires external power MOSFETs, inductors, and capacitors for a complete power supply design.  

### **Features:**  
- **Voltage Mode Control** (fixed-frequency PWM operation)  
- **Under-Voltage Lockout (UVLO)** protection  
- **Soft-Start Capability** (reduces inrush current)  
- **Error Amplifier** for feedback loop stability  
- **Current Limiting** (via external sensing)  
- **High Noise Immunity** for robust operation  

For exact datasheet details, refer to **Texas Instruments' documentation** (as Unitrode's legacy products were integrated into TI's portfolio).  

*(Note: Some specifications may vary based on exact revisions or application notes.)*

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