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LTC1574CS-3.3 from LINEAR

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LTC1574CS-3.3

Manufacturer: LINEAR

High Efficiency Step-Down DC/DC Converters with Internal Schottky Diode

Partnumber Manufacturer Quantity Availability
LTC1574CS-3.3,LTC1574CS33 LINEAR 66 In Stock

Description and Introduction

High Efficiency Step-Down DC/DC Converters with Internal Schottky Diode The LTC1574CS-3.3 is a high-efficiency, low-noise, synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** Fixed 3.3V  
- **Input Voltage Range:** 4V to 7V  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 550kHz  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 16-Lead SOIC (CS)  

### **Descriptions:**  
- The LTC1574CS-3.3 is a fixed-output, synchronous buck regulator optimized for low-noise and high-efficiency applications.  
- It features Burst Mode® operation for improved efficiency at light loads.  
- Internal synchronous rectification eliminates the need for an external Schottky diode.  
- The device includes soft-start and short-circuit protection.  

### **Features:**  
- **Burst Mode Operation** for high efficiency at light loads  
- **Low Dropout Operation** (100% duty cycle)  
- **Low Quiescent Current** (40µA in shutdown)  
- **No Schottky Diode Required** due to synchronous rectification  
- **Short-Circuit Protected**  
- **Thermal Shutdown**  
- **Soft-Start Function**  

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

Application Scenarios & Design Considerations

High Efficiency Step-Down DC/DC Converters with Internal Schottky Diode
Partnumber Manufacturer Quantity Availability
LTC1574CS-3.3,LTC1574CS33 LT 62 In Stock

Description and Introduction

High Efficiency Step-Down DC/DC Converters with Internal Schottky Diode The LTC1574CS-3.3 is a low-dropout (LDO) linear regulator manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 500mA  
- **Dropout Voltage:** 300mV (typical at full load)  
- **Input Voltage Range:** 2.7V to 6.5V  
- **Quiescent Current:** 50µA (typical)  
- **Shutdown Current:** <1µA  
- **Load Regulation:** 0.05% (typical)  
- **Line Regulation:** 0.04% (typical)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 8-Lead SOIC  

### **Descriptions:**  
The LTC1574CS-3.3 is a high-efficiency, low-dropout linear regulator designed for battery-powered applications. It features low quiescent current and excellent line/load regulation, making it suitable for portable devices.  

### **Features:**  
- Low dropout voltage (300mV at 500mA)  
- Ultra-low quiescent current (50µA)  
- Stable with low-ESR capacitors  
- Short-circuit and thermal protection  
- Low shutdown current (<1µA)  
- Fast transient response  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

High Efficiency Step-Down DC/DC Converters with Internal Schottky Diode

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