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TL494CD

SMPS Controller

Partnumber Manufacturer Quantity Availability
TL494CD 130 In Stock

Description and Introduction

SMPS Controller The TL494CD is a pulse-width-modulation (PWM) control circuit manufactured by Texas Instruments.  

### **Specifications:**  
- **Type:** PWM Controller IC  
- **Topology:** Push-Pull, Half-Bridge, Full-Bridge  
- **Operating Voltage Range:** 7V to 40V  
- **Output Current:** 200mA (sink/source per output)  
- **Frequency Range:** Up to 300kHz  
- **Duty Cycle Range:** Adjustable from 0% to 100%  
- **Number of Outputs:** 2 (totem-pole outputs)  
- **Oscillator Frequency:** Adjustable via external resistor and capacitor  
- **Error Amplifiers:** 2 (for feedback control)  
- **Package:** SOIC-16 (CD suffix)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- Designed for switch-mode power supply control.  
- Includes an on-chip adjustable oscillator, dead-time control, and error amplifiers.  
- Features undervoltage lockout (UVLO) for protection.  
- Provides push-pull or single-ended output operation.  
- Internal reference voltage (5V ±1%) for regulation.  
- Used in DC-DC converters, inverters, and power supplies.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

SMPS Controller

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