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LTC1435IS from LT

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LTC1435IS

Manufacturer: LT

High Efficiency Low Noise Synchronous Step-Down Switching Regulator

Partnumber Manufacturer Quantity Availability
LTC1435IS LT 150 In Stock

Description and Introduction

High Efficiency Low Noise Synchronous Step-Down Switching Regulator The LTC1435IS is a high-efficiency, low-noise synchronous step-down switching regulator controller manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** 2.5V to 5V (adjustable via external resistors)  
- **Switching Frequency:** 550kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 16-Lead SOIC (IS package)  
- **Control Method:** Current-mode PWM  
- **Synchronous Rectification:** Yes  
- **Low Dropout Operation:** Yes (100% duty cycle capable)  
- **Quiescent Current:** 1.5mA (typical)  

### **Descriptions and Features:**  
- Designed for high-efficiency step-down DC/DC conversion.  
- Uses synchronous rectification to minimize power loss.  
- Includes a precision internal reference (1.23V ±1.5%).  
- Adjustable soft-start for controlled startup.  
- Low-noise operation with minimized ripple.  
- Overcurrent and overtemperature protection.  
- Suitable for battery-powered and industrial applications.  

This regulator controller is optimized for high-performance power supply designs requiring high efficiency and low noise.

Application Scenarios & Design Considerations

High Efficiency Low Noise Synchronous Step-Down Switching Regulator
Partnumber Manufacturer Quantity Availability
LTC1435IS LINEAR 23 In Stock

Description and Introduction

High Efficiency Low Noise Synchronous Step-Down Switching Regulator The LTC1435IS is a high efficiency, low noise, synchronous step-down switching regulator manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 4V to 36V  
- **Output Voltage Range:** Adjustable from 1.22V to 35V  
- **Output Current:** Up to 5A  
- **Switching Frequency:** 200kHz (adjustable)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 16-Lead SOIC  

### **Descriptions:**
- The LTC1435IS is a synchronous buck regulator designed for high efficiency and low noise operation.  
- It uses a constant-frequency current-mode architecture for stable performance.  
- Features include soft-start, overcurrent protection, and thermal shutdown.  
- Suitable for battery-powered and industrial applications.  

### **Features:**
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Adjustable Frequency:** Allows optimization for efficiency or component size.  
- **Low Dropout Operation:** Maintains regulation with small headroom.  
- **Programmable Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent & Thermal Protection:** Enhances system reliability.  
- **Wide Input Voltage Range:** Supports various power sources.  

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

Application Scenarios & Design Considerations

High Efficiency Low Noise Synchronous Step-Down Switching Regulator

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