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TL1454CDR from TI,Texas Instruments

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TL1454CDR

Manufacturer: TI

DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT

Partnumber Manufacturer Quantity Availability
TL1454CDR TI 903 In Stock

Description and Introduction

DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT The TL1454CDR is a dual pulse-width modulation (PWM) controller manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Texas Instruments (TI)  
- **Type:** Dual PWM Controller  
- **Package:** SOIC-16  
- **Operating Temperature Range:** -40°C to +85°C  
- **Supply Voltage (VCC):** 3.6V to 50V  
- **Output Current (Per Channel):** 200mA (sink/source)  
- **Switching Frequency:** Adjustable (up to 500kHz)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 1MHz  
- **Reference Voltage:** 5V (±1%)  

### **Descriptions:**  
The TL1454CDR is a dual-channel PWM controller designed for DC-DC converter applications. It provides precision voltage regulation and includes features like adjustable frequency, soft-start, and error amplifiers for feedback control. The device is commonly used in power supply designs, battery chargers, and motor control systems.  

### **Features:**  
- **Dual Independent PWM Control Channels**  
- **Adjustable Oscillator Frequency**  
- **On-Chip 5V Reference Voltage**  
- **Undervoltage Lockout (UVLO) Protection**  
- **Soft-Start Functionality**  
- **Error Amplifiers for Feedback Control**  
- **Wide Operating Voltage Range (3.6V to 50V)**  
- **High Output Drive Current (200mA per channel)**  
- **Thermal Shutdown Protection**  

This information is strictly based on the available knowledge base for the TL1454CDR.

Application Scenarios & Design Considerations

DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT

Alternative Part Number

  • UC3843BD1 --: Industry-standard current-mode PWM controller in the same SOIC-8 class, widely available and functionally similar to the TL1454 dual PWM controller for many power-supply designs.
  • SG3525ADW --: Dual-output PWM controller with totem-pole drivers, a common substitute for TL1454-type dual PWM applications; different series name and well documented.
  • MC34025DW --: Dual-channel PWM controller in SOIC package offering comparable dual PWM control functions, providing a distinct alternative series to the TL1454.

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