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LT1941EFE from LINEAR

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LT1941EFE

Manufacturer: LINEAR

Triple monolithic switching regulator.

Partnumber Manufacturer Quantity Availability
LT1941EFE LINEAR 154 In Stock

Description and Introduction

Triple monolithic switching regulator. The LT1941EFE is a high efficiency, monolithic step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Input Voltage Range:** 1.8V to 16V  
- **Output Voltage Range:** Up to 40V (adjustable)  
- **Maximum Output Current:** 1.2A (switch current limit)  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead TSSOP (FE)  

### **Descriptions:**  
- The LT1941EFE is designed for applications requiring high output voltages from low input sources.  
- It features an internal 1.2A, 40V power switch for compact designs.  
- The device operates in a current-mode architecture for stable performance.  
- Includes soft-start and frequency synchronization capabilities.  

### **Features:**  
- **Wide Input Voltage Range:** Supports operation from 1.8V to 16V.  
- **High Output Voltage:** Capable of generating up to 40V.  
- **1.2MHz Switching Frequency:** Enables small external components.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Synchronization Capability:** Can sync to an external clock.  
- **Thermal Shutdown Protection:** Safeguards against overheating.  
- **Low Shutdown Current:** <1µA when disabled.  

This information is based on the manufacturer's datasheet for the LT1941EFE.

Application Scenarios & Design Considerations

Triple monolithic switching regulator.
Partnumber Manufacturer Quantity Availability
LT1941EFE LT 755 In Stock

Description and Introduction

Triple monolithic switching regulator. The LT1941EFE is a high efficiency, monolithic step-down switching regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 3.6V to 25V  
- **Output Voltage Range:** Adjustable from 1.22V to 20V  
- **Output Current:** Up to 1.5A  
- **Switching Frequency:** 1.2MHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 16-Lead TSSOP (Exposed Pad)  
- **Features:**  
  - Burst Mode® operation for improved efficiency at light loads  
  - Low dropout operation  
  - Short-circuit and thermal protection  
  - Soft-start capability  
  - Adjustable frequency synchronization  

### **Descriptions and Features:**  
The LT1941EFE is a synchronous buck regulator designed for high efficiency and compact power supply solutions. It integrates both power switches, reducing external component count. The device operates at a fixed 1.2MHz switching frequency, allowing the use of small inductors and capacitors.  

Key features include Burst Mode operation for enhanced efficiency at light loads, adjustable output voltage, and built-in protection against overcurrent and overtemperature conditions. The regulator is suitable for applications such as portable devices, industrial systems, and automotive power supplies.  

The exposed pad (TSSOP-16 package) improves thermal performance, making it suitable for high-power-density designs.

Application Scenarios & Design Considerations

Triple monolithic switching regulator.
Partnumber Manufacturer Quantity Availability
LT1941EFE LT 80 In Stock

Description and Introduction

Triple monolithic switching regulator. The LT1941EFE is a high voltage, micropower step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 1.8V to 16V  
- **Output Voltage Range:** Up to 40V  
- **Switching Frequency:** 1.2MHz  
- **Quiescent Current:** 20µA (typical)  
- **Maximum Output Current:** 100mA (depends on input/output conditions)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead TSSOP  

### **Descriptions and Features:**  
- **High Voltage Step-Up:** Capable of generating up to 40V from a low input voltage.  
- **Low Quiescent Current:** Optimized for battery-powered applications.  
- **Internal Soft-Start:** Prevents inrush current at startup.  
- **Wide Input Range:** Supports operation from 1.8V to 16V.  
- **Synchronous Rectification:** Improves efficiency.  
- **Adjustable Output Voltage:** Set via an external resistor divider.  
- **Shutdown Mode:** Reduces supply current to <1µA when disabled.  
- **Applications:** Battery-powered systems, LCD bias supplies, and portable instruments.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

Triple monolithic switching regulator.

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