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KA3844BDTF from SAMSUNG

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15.625ms

KA3844BDTF

Manufacturer: SAMSUNG

SMPS Controller

Partnumber Manufacturer Quantity Availability
KA3844BDTF SAMSUNG 5850 In Stock

Description and Introduction

SMPS Controller The KA3844BDTF is a current-mode PWM controller IC manufactured by SAMSUNG. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 8V to 30V  
- **Operating Frequency:** Up to 500kHz  
- **Output Duty Cycle:** 0% to 100%  
- **Output Current (Source/Sink):** ±200mA  
- **Reference Voltage:** 5V (±1%)  
- **Error Amplifier Gain Bandwidth:** 1MHz  
- **Package:** TO-220F (5-pin)  

### **Descriptions:**  
- Designed for offline and DC-DC converter applications.  
- Features current-mode control for improved loop response.  
- Includes under-voltage lockout (UVLO) protection.  
- Suitable for flyback, forward, and boost converters.  

### **Features:**  
- **Current-Mode PWM Control:** Enhances transient response.  
- **Precision Reference Voltage:** 5V (±1%) for stable operation.  
- **Adjustable Oscillator Frequency:** Allows flexible design.  
- **Low Start-Up Current:** Typically 0.5mA.  
- **Built-in Protection:** Includes UVLO and cycle-by-cycle current limiting.  

This information is based on the manufacturer's datasheet. For detailed application notes, refer to official SAMSUNG documentation.

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