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LT3846N from LT

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LT3846N

Manufacturer: LT

Current Mode PWM Controller

Partnumber Manufacturer Quantity Availability
LT3846N LT 585 In Stock

Description and Introduction

Current Mode PWM Controller The LT3846N is a high-performance switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 60V  
- **Output Voltage Range:** Adjustable via external components  
- **Switching Frequency Range:** 50kHz to 500kHz (programmable)  
- **Maximum Duty Cycle:** 95%  
- **Peak Output Current:** Up to 1A (gate drive)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin PDIP or SOIC  

### **Descriptions:**  
- The LT3846N is a current-mode PWM controller designed for high-power DC/DC converter applications.  
- It provides precise regulation and high efficiency in buck, boost, flyback, and forward converter topologies.  
- Includes a built-in error amplifier, oscillator, and current-sensing circuitry for robust control.  

### **Features:**  
- **Current-Mode Control:** Improves loop response and simplifies compensation.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Synchronizable Oscillator:** Allows synchronization to an external clock.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input voltage conditions.  
- **Wide Input Voltage Range:** Supports applications from 4.5V to 60V.  
- **High Drive Capability:** 1A peak gate drive for efficient MOSFET switching.  

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

Application Scenarios & Design Considerations

Current Mode PWM Controller

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