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TL2844 from TI,Texas Instruments

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TL2844

Manufacturer: TI

Current-Mode PWM Controller

Partnumber Manufacturer Quantity Availability
TL2844 TI 200 In Stock

Description and Introduction

Current-Mode PWM Controller The TL2844 is a high-performance current-mode PWM controller manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Input Voltage Range:** Up to 30V (for VCC)  
- **Operating Frequency:** Adjustable up to 500 kHz  
- **Output Duty Cycle:** Up to 50% (for push-pull topology)  
- **Error Amplifier Bandwidth:** 3 MHz (typical)  
- **Current Sense Comparator Response Time:** 100 ns (typical)  
- **Start-Up Current:** 0.5 mA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The TL2844 is a fixed-frequency, current-mode PWM controller designed for DC-DC converter applications.  
- It includes an oscillator, error amplifier, current-sense comparator, and a high-current totem-pole output driver.  
- Suitable for push-pull, flyback, and forward converter topologies.  
- Features under-voltage lockout (UVLO) for reliable start-up.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Programmable Oscillator:** Allows frequency adjustment with external components.  
- **Precision Reference:** 5V ±1% trimmed bandgap reference.  
- **Soft-Start Capability:** Reduces inrush current during start-up.  
- **Pulse-by-Pulse Current Limiting:** Enhances system protection.  
- **Low-Power Standby Mode:** Reduces power consumption when disabled.  

This information is strictly based on the manufacturer's datasheet for the TL2844.

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