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LTC3545IUD#PBF from LINEAR

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LTC3545IUD#PBF

Manufacturer: LINEAR

Triple 800mA Synchronous Step-Down Regulator

Partnumber Manufacturer Quantity Availability
LTC3545IUD#PBF,LTC3545IUDPBF LINEAR 192 In Stock

Description and Introduction

Triple 800mA Synchronous Step-Down Regulator The LTC3545IUD#PBF is a synchronous step-down DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 2.25V to 5.5V  
- **Output Voltage Range:** 0.6V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.5MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-Lead QFN (3mm × 2mm)  
- **Features:**  
  - Synchronous rectification for high efficiency  
  - Low dropout operation (100% duty cycle)  
  - Internal soft-start  
  - Current mode control for fast transient response  
  - Power-saving Burst Mode® operation  
  - Short-circuit and thermal protection  
  - Low quiescent current (25µA in Burst Mode)  

### **Descriptions & Features:**  
The LTC3545IUD#PBF is a compact, high-efficiency step-down converter designed for portable applications. It operates at a fixed 1.5MHz switching frequency, allowing the use of small external components. The device includes synchronous rectification, improving efficiency and eliminating the need for an external Schottky diode.  

Key features include Burst Mode operation for improved light-load efficiency, internal soft-start for controlled inrush current, and current mode control for stable performance across varying loads. The device is available in a small 10-lead QFN package, making it suitable for space-constrained applications.  

(Note: All details are based on factual specifications from the manufacturer's datasheet.)

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