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TL494BD

Switchmode Pulse Width Modulation Control Circuit

Partnumber Manufacturer Quantity Availability
TL494BD 1 In Stock

Description and Introduction

Switchmode Pulse Width Modulation Control Circuit The TL494BD is a pulse-width-modulation (PWM) control circuit manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage (VCC):** 7V to 40V  
- **Output Current (per Transistor):** 200mA (sink or source)  
- **Oscillator Frequency Range:** 1kHz to 300kHz  
- **Duty Cycle Adjustable Range:** 0% to 100%  
- **Error Amplifier Input Voltage Range:** -0.3V to VCC - 2V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-16  

### **Descriptions:**  
- The TL494BD is a fixed-frequency PWM controller designed for switch-mode power supply and DC-DC converter applications.  
- It includes an on-chip oscillator, dead-time control, error amplifiers, and output control circuitry.  
- It supports push-pull or single-ended output configurations.  

### **Features:**  
- Adjustable dead-time control  
- Internal error amplifiers with referenced inputs  
- Uncommitted output transistors (200mA sink/source)  
- On-chip oscillator with sync capability  
- Undervoltage lockout (UVLO)  
- Soft-start control capability  

This information is sourced from the manufacturer's datasheet.

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