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UC3572N from UNITRODE

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UC3572N

Manufacturer: UNITRODE

Negative Output Flyback Pulse Width Modulator

Partnumber Manufacturer Quantity Availability
UC3572N UNITRODE 20 In Stock

Description and Introduction

Negative Output Flyback Pulse Width Modulator **UC3572N Manufacturer:** UNITRODE  

**Specifications:**  
- **Type:** High-Speed PWM Controller  
- **Operating Voltage Range:** 4.5V to 40V  
- **Output Current:** Up to 1A (peak)  
- **Switching Frequency:** Up to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin DIP (Dual Inline Package)  

**Descriptions:**  
The UC3572N is a high-performance PWM (Pulse Width Modulation) controller designed for power supply applications. It features high-speed operation, precise duty cycle control, and robust protection mechanisms.  

**Features:**  
- Adjustable frequency and duty cycle  
- Under-voltage lockout (UVLO) protection  
- Soft-start capability  
- Error amplifier for feedback control  
- TTL/CMOS compatible shutdown input  
- High noise immunity  

This information is based on UNITRODE's official documentation for the UC3572N.

Application Scenarios & Design Considerations

Negative Output Flyback Pulse Width Modulator
Partnumber Manufacturer Quantity Availability
UC3572N UC 30 In Stock

Description and Introduction

Negative Output Flyback Pulse Width Modulator **UC3572N Manufacturer:** Unitrode (now part of Texas Instruments)  

**Specifications:**  
- **Type:** Switching Regulator Controller  
- **Topology:** Buck, Boost, Flyback  
- **Input Voltage Range:** 4.5V to 40V  
- **Output Voltage Range:** Adjustable  
- **Switching Frequency:** Up to 500kHz  
- **Output Current:** Up to 1A (with external components)  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin DIP (Dual Inline Package)  

**Descriptions and Features:**  
- **Voltage Mode PWM Controller:** Provides precise regulation in DC-DC converters.  
- **Wide Input Voltage Range:** Suitable for various power supply applications.  
- **High Switching Frequency:** Allows for smaller external components.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Error Amplifier:** Ensures stable feedback control.  
- **Current Limiting Protection:** Enhances reliability in overload conditions.  
- **Under-Voltage Lockout (UVLO):** Prevents operation below minimum input voltage.  
- **Single-Ended Output Drive:** Compatible with MOSFET or bipolar transistors.  

(Note: Always refer to the latest datasheet for detailed specifications.)

Application Scenarios & Design Considerations

Negative Output Flyback Pulse Width Modulator
Partnumber Manufacturer Quantity Availability
UC3572N TI 118 In Stock

Description and Introduction

Negative Output Flyback Pulse Width Modulator The UC3572N is a product from Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** UC3572N  
- **Category:** Integrated Circuits (ICs)  
- **Type:** Motor/ Motion/ Ignition Controllers & Drivers  
- **Package:** PDIP (Plastic Dual In-line Package)  
- **Mounting Type:** Through Hole  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The UC3572N is a motor controller/driver IC designed for precision motion control applications.  
- It is commonly used in systems requiring accurate speed and position control of motors.  

### **Features:**  
- **High-Speed Operation:** Optimized for fast response in motor control applications.  
- **Wide Operating Voltage Range:** Supports various power supply configurations.  
- **Built-in Protection Circuits:** Includes overcurrent and thermal protection for enhanced reliability.  
- **Compatibility:** Works with various motor types, including DC and stepper motors.  

For exact electrical characteristics, pin configurations, or application notes, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Negative Output Flyback Pulse Width Modulator

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