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TL1454A from TI,Texas Instruments

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TL1454A

Manufacturer: TI

Dual-Channel Pulse-Width-Modulation (PWM) Control Circuit

Partnumber Manufacturer Quantity Availability
TL1454A TI 500 In Stock

Description and Introduction

Dual-Channel Pulse-Width-Modulation (PWM) Control Circuit The TL1454A is a dual pulse-width modulation (PWM) controller manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** 3.6V to 40V  
- **Output Voltage Range:** Adjustable via external resistors  
- **Oscillator Frequency Range:** Adjustable up to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Output Current (Source/Sink):** 200mA (per channel)  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package Type:** SOIC-16, PDIP-16  

### **Descriptions:**  
- The TL1454A is a dual PWM controller designed for DC-DC converter applications.  
- It includes two independent PWM control circuits, allowing for dual-output regulation.  
- Features an internal oscillator, error amplifiers, and adjustable dead-time control.  
- Suitable for power supply designs in industrial, automotive, and consumer electronics.  

### **Features:**  
- **Dual PWM Control:** Two independent channels for flexible power management.  
- **Wide Input Voltage Range:** Supports operation from 3.6V to 40V.  
- **Adjustable Frequency:** External components allow frequency tuning up to 500kHz.  
- **Error Amplifiers:** Includes two high-gain error amplifiers for feedback control.  
- **Dead-Time Control:** Adjustable dead time between outputs to prevent shoot-through.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Short-Circuit Protection:** Built-in safeguards for output stages.  

This information is based on the manufacturer's datasheet and technical documentation.

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