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TL3844DR from TI,Texas Instruments

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TL3844DR

Manufacturer: TI

Current-Mode PWM Controller

Partnumber Manufacturer Quantity Availability
TL3844DR TI 125 In Stock

Description and Introduction

Current-Mode PWM Controller The TL3844DR is a current-mode PWM controller manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Topology:** Current-mode PWM controller  
- **Input Voltage (VCC):** 8.5V to 30V  
- **Operating Frequency:** Up to 500 kHz  
- **Output Drive Current:** ±1A (peak)  
- **Duty Cycle Range:** 0% to 100%  
- **Error Amplifier Bandwidth:** 1 MHz  
- **Reference Voltage:** 5V (±1%)  
- **Low Startup Current:** 1 mA (typical)  
- **Package:** SOIC-8  

### **Descriptions:**  
The TL3844DR is designed for DC-DC converter and power supply applications. It features high-speed switching, cycle-by-cycle current limiting, and a built-in undervoltage lockout (UVLO) for reliable operation.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Adjustable Oscillator Frequency:** Set by external components.  
- **Undervoltage Lockout (UVLO):** Ensures proper startup and shutdown.  
- **Soft-Start Capability:** Reduces inrush current.  
- **Totem-Pole Output:** Optimized for driving power MOSFETs.  
- **Low Power Consumption:** Suitable for energy-efficient designs.  

This device is commonly used in offline and DC-DC power supplies, battery chargers, and industrial power systems.

Application Scenarios & Design Considerations

Current-Mode PWM Controller

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