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LTC3564IS5#PBF from LINEAR

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LTC3564IS5#PBF

Manufacturer: LINEAR

2.25MHz, 1.25A Synchronous Step-Down Regulator

Partnumber Manufacturer Quantity Availability
LTC3564IS5#PBF,LTC3564IS5PBF LINEAR 13 In Stock

Description and Introduction

2.25MHz, 1.25A Synchronous Step-Down Regulator The LTC3564IS5#PBF is a synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** 0.6V to VIN  
- **Maximum Output Current:** 1.2A  
- **Switching Frequency:** 2.25MHz (typical)  
- **Efficiency:** Up to 95%  
- **Quiescent Current:** 20μA (typical) in Burst Mode operation  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions:**
- The LTC3564IS5#PBF is a high-efficiency, monolithic synchronous buck regulator that operates from a single Li-Ion or multi-cell alkaline/NiMH input.  
- It uses a constant-frequency, current-mode architecture for stable operation with low output ripple.  
- The device includes internal power switches and requires minimal external components.  
- It is designed for battery-powered portable applications where extended battery life is critical.  

### **Features:**
- **Burst Mode® Operation:** Reduces quiescent current for improved efficiency at light loads.  
- **Low Dropout Operation:** 100% duty cycle allows output to track input when VIN approaches VOUT.  
- **Internal Synchronous Rectification:** Improves efficiency without requiring an external Schottky diode.  
- **Short-Circuit Protection:** Prevents damage during fault conditions.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Small Footprint:** SOT-23-5 package is ideal for space-constrained applications.  

This information is sourced from the manufacturer's datasheet.

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