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TL1451INSR from TI,Texas Instruments

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TL1451INSR

Manufacturer: TI

Dual Pulse-Width-Modulation Control Circuit 16-SO

Partnumber Manufacturer Quantity Availability
TL1451INSR TI 1775 In Stock

Description and Introduction

Dual Pulse-Width-Modulation Control Circuit 16-SO The TL1451INSR is a pulse-width modulation (PWM) control circuit manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Supply Voltage (VCC):** 3.6V to 40V  
- **Output Current (Sink/Source):** 200mA (per output)  
- **Oscillator Frequency Range:** 1kHz to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Input Offset Voltage:** 2mV (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-16  

### **Descriptions:**  
- The TL1451INSR is a dual PWM controller designed for DC-DC converter applications.  
- It includes two independent control channels, each with an error amplifier, PWM comparator, and output driver.  
- Features an adjustable oscillator frequency and dead-time control for flexible power supply designs.  
- Suitable for push-pull, flyback, and boost converter topologies.  

### **Features:**  
- **Dual PWM Control Channels** – Independent control for two outputs.  
- **Adjustable Dead Time** – Prevents shoot-through in half-bridge configurations.  
- **Undervoltage Lockout (UVLO)** – Ensures proper operation under low-voltage conditions.  
- **Error Amplifiers with High Gain-Bandwidth Product** – Improves transient response.  
- **Internal Soft-Start Function** – Reduces inrush current during startup.  
- **Low Standby Current** – Typically 1.5mA when disabled.  

This information is sourced from Texas Instruments' official documentation.

Application Scenarios & Design Considerations

Dual Pulse-Width-Modulation Control Circuit 16-SO
Partnumber Manufacturer Quantity Availability
TL1451INSR TEXAS 44 In Stock

Description and Introduction

Dual Pulse-Width-Modulation Control Circuit 16-SO The TL1451INSR is a pulse-width modulation (PWM) controller manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage (VCC):** 3.6V to 40V  
- **Output Voltage (VOUT):** Up to 40V  
- **Switching Frequency:** Adjustable up to 500kHz  
- **Output Current (per channel):** 100mA (sink/source)  
- **Duty Cycle Range:** 0% to 100%  
- **Number of Channels:** 2 (Dual)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-16  

### **Descriptions:**
- The TL1451INSR is a dual PWM control circuit designed for DC-DC converter applications.  
- It includes an on-chip 2.5V reference voltage, error amplifiers, adjustable oscillator, dead-time control, and PWM comparators.  
- Suitable for push-pull, half-bridge, or full-bridge converter topologies.  

### **Features:**
- **Dual PWM Control:** Independent control for two channels.  
- **Wide Input Voltage Range:** Operates from 3.6V to 40V.  
- **Adjustable Dead Time:** Prevents shoot-through in power switches.  
- **On-Chip Error Amplifiers:** Enhances feedback control.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low-voltage conditions.  
- **Short-Circuit Protection:** Improves system reliability.  
- **Low Standby Current:** Reduces power consumption.  

This information is based solely on the manufacturer's datasheet. For detailed application notes or design considerations, refer to Texas Instruments' official documentation.

Application Scenarios & Design Considerations

Dual Pulse-Width-Modulation Control Circuit 16-SO

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