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SG3842M+ from LINFINITY

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SG3842M+

Manufacturer: LINFINITY

CURRENT MODE PWM CONTROLLER

Partnumber Manufacturer Quantity Availability
SG3842M+,SG3842M LINFINITY 190 In Stock

Description and Introduction

CURRENT MODE PWM CONTROLLER The SG3842M+ is a pulse width modulation (PWM) controller IC manufactured by LINFINITY. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** LINFINITY  
- **Type:** Current Mode PWM Controller  
- **Package:** SOP-8  
- **Operating Voltage Range:** 8V to 30V  
- **Output Current:** Up to 1A (peak)  
- **Switching Frequency:** Adjustable up to 500kHz  
- **Duty Cycle Range:** 0% to 100%  
- **Reference Voltage:** 5V (±1%)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The SG3842M+ is a fixed-frequency current-mode PWM controller designed for DC-DC converter and power supply applications.  
- It provides precise control over output voltage regulation with features like soft-start, current limiting, and under-voltage lockout (UVLO).  
- The IC is commonly used in switch-mode power supplies (SMPS), battery chargers, and inverters.  

### **Features:**  
- **Current-Mode Operation:** Improves loop response and simplifies compensation.  
- **Under-Voltage Lockout (UVLO):** Ensures proper operation only when the supply voltage is within the specified range.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Adjustable Oscillator Frequency:** Allows flexibility in design.  
- **Error Amplifier:** Provides high gain and bandwidth for stable feedback control.  
- **Pulse-by-Pulse Current Limiting:** Protects against overload conditions.  
- **Totem Pole Output:** Capable of driving power MOSFETs or IGBTs directly.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

CURRENT MODE PWM CONTROLLER

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