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TL2843DRG4-8 from TI,Texas Instruments

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TL2843DRG4-8

Manufacturer: TI

Current-Mode PWM Controller 8-SOIC -40 to 85

Partnumber Manufacturer Quantity Availability
TL2843DRG4-8,TL2843DRG48 TI 43 In Stock

Description and Introduction

Current-Mode PWM Controller 8-SOIC -40 to 85 The TL2843DRG4-8 is a current-mode 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)  
- **Part Number:** TL2843DRG4-8  
- **Type:** Current-Mode PWM Controller  
- **Topology:** Flyback, Forward, Boost, Buck  
- **Output Type:** Single  
- **Switching Frequency:** Up to 500 kHz  
- **Duty Cycle Max:** 50%  
- **Supply Voltage (Vcc):** 8.4V to 30V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOIC-8  

### **Descriptions:**
- The TL2843DRG4-8 is a fixed-frequency, current-mode PWM controller optimized for high-performance DC-DC converters.  
- It provides precise regulation with features like cycle-by-cycle current limiting and undervoltage lockout (UVLO).  
- Designed for offline and DC-DC power supplies with minimal external components.  

### **Features:**
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation within the supply voltage range.  
- **Trimmed Oscillator Discharge Current:** Tight tolerance for precise duty cycle control.  
- **High-Current Totem Pole Output:** Directly drives power MOSFETs.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Error Amplifier with Low Output Resistance:** Enhances transient response.  
- **Latching PWM for Cycle-by-Cycle Current Limiting:** Protects against overloads.  

This information is strictly based on the manufacturer's datasheet and specifications.

Application Scenarios & Design Considerations

Current-Mode PWM Controller 8-SOIC -40 to 85

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