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LTC3822EMSE from LINEAR

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LTC3822EMSE

Manufacturer: LINEAR

No RSENSETM, Low Input Voltage, Synchronous Step-Down DC/DC Controller

Partnumber Manufacturer Quantity Availability
LTC3822EMSE LINEAR 346 In Stock

Description and Introduction

No RSENSETM, Low Input Voltage, Synchronous Step-Down DC/DC Controller The LTC3822EMSE is a high-efficiency, no-RSENSE synchronous step-down DC/DC controller from Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4.5V to 36V  
- **Output Voltage Range:** 0.8V to 24V  
- **Switching Frequency:** 50kHz to 900kHz (adjustable)  
- **Maximum Output Current:** Up to 20A (with external MOSFETs)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 125°C  
- **Package:** 16-Lead MSOP (EMSE)  

### **Descriptions:**
- The LTC3822EMSE is a synchronous step-down switching regulator controller that drives external N-channel MOSFETs.  
- It eliminates the need for a current sense resistor (no-RSENSE), improving efficiency.  
- Operates in continuous or discontinuous conduction mode (CCM/DCM).  
- Features a precision reference and adjustable soft-start.  

### **Features:**
- **No RSENSE Required:** Uses MOSFET RDS(ON) for current sensing.  
- **Adjustable Frequency:** 50kHz to 900kHz.  
- **Low Quiescent Current:** 100µA in shutdown.  
- **Programmable Soft-Start:** Reduces inrush current.  
- **Power Good Output:** Monitors output voltage.  
- **Synchronizable:** Can sync to an external clock.  
- **Wide Input Range:** Supports 4.5V to 36V operation.  
- **Short-Circuit Protection:** Prevents damage under fault conditions.  

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

Application Scenarios & Design Considerations

No RSENSETM, Low Input Voltage, Synchronous Step-Down DC/DC Controller

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