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TL494CNS from TEXAS

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TL494CNS

Manufacturer: TEXAS

PULSE-WIDTH-MODULATION CONTROL CIRCUITS

Partnumber Manufacturer Quantity Availability
TL494CNS TEXAS 60 In Stock

Description and Introduction

PULSE-WIDTH-MODULATION CONTROL CIRCUITS The TL494CNS is a pulse-width modulation (PWM) control circuit manufactured by Texas Instruments. Below are its specifications, descriptions, and features:

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TEXAS)  
- **Type:** PWM Controller IC  
- **Package:** SOIC-16  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** 7V to 40V  
- **Output Current (Sink/Source):** 200mA (per output)  
- **Switching Frequency:** Up to 300kHz  
- **Duty Cycle Range:** Adjustable from 0% to 100%  

### **Descriptions:**  
The TL494CNS is a fixed-frequency PWM control circuit designed for power supply regulation and motor control applications. It includes an on-chip oscillator, error amplifiers, a dead-time control comparator, and output control circuitry.  

### **Features:**  
- **Complete PWM Control Circuitry**  
- **Variable Dead-Time Control**  
- **Internal Oscillator with Frequency Adjustable via External Components**  
- **Error Amplifiers for Feedback Control**  
- **Push-Pull or Single-Ended Output Configurations**  
- **Undervoltage Lockout (UVLO) for Low VCC Protection**  
- **Output Control for Parallel or Push-Pull Operation**  

This information is based solely on the manufacturer's datasheet.

Application Scenarios & Design Considerations

PULSE-WIDTH-MODULATION CONTROL CIRCUITS
Partnumber Manufacturer Quantity Availability
TL494CNS TI 98 In Stock

Description and Introduction

PULSE-WIDTH-MODULATION CONTROL CIRCUITS The TL494CNS is a pulse-width modulation (PWM) control circuit manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** TL494CNS  
- **Type:** PWM Controller IC  
- **Package:** SOIC-16  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** 7V to 40V  
- **Output Current (Per Transistor):** 200mA (sink/source)  
- **Frequency Range:** Adjustable up to 300kHz  
- **Duty Cycle Range:** 0% to 100% (adjustable)  
- **Number of Outputs:** 2 (push-pull or single-ended)  
- **Error Amplifiers:** 2 (for feedback control)  
- **Reference Voltage:** 5V (±1% accuracy)  

### **Descriptions:**
The TL494CNS is a fixed-frequency PWM controller IC designed for power supply control applications. It includes an on-board oscillator, error amplifiers, a dead-time control comparator, a 5V reference regulator, and output control circuitry. It is commonly used in switch-mode power supplies (SMPS), DC-DC converters, and motor control circuits.

### **Features:**
- **Complete PWM Control Circuitry**  
- **Adjustable Dead-Time Control**  
- **On-Chip Error Amplifiers for Feedback Regulation**  
- **5V Reference Output with ±1% Accuracy**  
- **Single-Ended or Push-Pull Output Operation**  
- **Undervoltage Lockout (UVLO) Protection**  
- **Internal Oscillator with Adjustable Frequency**  
- **Synchronous Operation Capability**  
- **Wide Operating Voltage Range (7V to 40V)**  

This IC is widely used in industrial, automotive, and consumer electronics applications requiring precise PWM control.

Application Scenarios & Design Considerations

PULSE-WIDTH-MODULATION CONTROL CIRCUITS

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