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TL1451CNS

Manufacturer: TI

Dual Pulse-Width-Modulation Control Circuit 16-SO

Partnumber Manufacturer Quantity Availability
TL1451CNS TI 9770 In Stock

Description and Introduction

Dual Pulse-Width-Modulation Control Circuit 16-SO The TL1451CNS is a pulse width modulation (PWM) controller manufactured by Texas Instruments (TI). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Category:** Integrated Circuits (ICs)  
- **Type:** PWM Controller  
- **Topology:** Push-Pull, Boost, Flyback  
- **Number of Outputs:** 2  
- **Output Type:** Totem Pole  
- **Frequency Range:** Up to 500kHz  
- **Supply Voltage (VCC):** 3.6V to 40V  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -20°C to +85°C  
- **Package:** SOIC-16  

### **Descriptions:**  
- The TL1451CNS is a dual PWM control circuit designed for switching power supply applications.  
- It includes an on-board oscillator, error amplifiers, adjustable dead-time control, and output drivers.  
- Suitable for DC-DC converters, power inverters, and other power management applications.  

### **Features:**  
- **Dual PWM Control:** Independent control for two channels.  
- **Adjustable Dead-Time Control:** Prevents shoot-through in push-pull configurations.  
- **Error Amplifiers:** Built-in for voltage regulation.  
- **Internal Oscillator:** Frequency adjustable via external components.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Short-Circuit Protection:** Improves system reliability.  
- **Low Standby Current:** Enhances efficiency in power-saving modes.  

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

Application Scenarios & Design Considerations

Dual Pulse-Width-Modulation Control Circuit 16-SO

Alternative Part Number

  • SG3525AN --: Industry-standard PWM controller with similar dual-output drive and wide input range, commonly used as a functional substitute in switching power supply designs.
  • UC3846N --: Current-mode PWM controller offering comparable control-loop functionality and DIP package compatibility for power supply applications.
  • MC34025P --: Dual-output PWM controller with similar operating voltage range and DIP-16 footprint, suitable as a cross-reference alternative.
  • UC3843AN --: Current-mode PWM controller commonly used as a substitute in switching power supply designs; different architecture but often interchangeable at the circuit level.
  • MC34063AP --: Versatile DC-DC switching regulator controller suitable for simple power conversion designs; lower performance but a common low-cost alternative.

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