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TL3844D from TI,Texas Instruments

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TL3844D

Manufacturer: TI

Current-Mode PWM Controller

Partnumber Manufacturer Quantity Availability
TL3844D TI 6148 In Stock

Description and Introduction

Current-Mode PWM Controller The TL3844D is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** Up to 30V  
- **Output Frequency Range:** Adjustable up to 500 kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC-8  
- **Current Sensing:** Peak current-mode control  
- **Start-Up Current:** Typically 0.5 mA  
- **Error Amplifier Bandwidth:** 1 MHz (typical)  
- **Output Drive Current:** ±200 mA (peak)  

### **Descriptions:**  
The TL3844D is designed for DC-DC converter applications, providing precise regulation with current-mode control. It features an integrated oscillator, error amplifier, and high-current totem-pole output for driving power MOSFETs.  

### **Features:**  
- **Current-Mode Operation:** Improves loop response and simplifies compensation.  
- **Under-Voltage Lockout (UVLO):** Ensures proper start-up and shutdown.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Error Amplifier:** Provides high gain and bandwidth for accurate regulation.  
- **Soft-Start Capability:** Reduces inrush current during start-up.  
- **Latch-Up Protection:** Prevents damage due to fault conditions.  

This information is based on TI's official datasheet for the TL3844D.

Application Scenarios & Design Considerations

Current-Mode PWM Controller

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