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LTC1144IS8#PBF from LINEAR

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LTC1144IS8#PBF

Manufacturer: LINEAR

Switched-Capacitor Wide Input Range Voltage Converter with Shutdown

Partnumber Manufacturer Quantity Availability
LTC1144IS8#PBF,LTC1144IS8PBF LINEAR 83 In Stock

Description and Introduction

Switched-Capacitor Wide Input Range Voltage Converter with Shutdown The LTC1144IS8#PBF is a high-efficiency switching regulator controller manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** LINEAR (Linear Technology)  
- **Package:** 8-Lead SOIC (SO-8)  
- **Input Voltage Range:** 3.5V to 36V  
- **Output Voltage Range:** Adjustable (via external components)  
- **Switching Frequency:** Up to 200kHz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** 1.5mA (typical)  
- **Efficiency:** Up to 95% (depending on configuration)  
- **Duty Cycle:** Up to 100%  

### **Descriptions:**
- The LTC1144IS8#PBF is a synchronous step-down (buck) switching regulator controller optimized for high efficiency and low power dissipation.  
- It uses a constant off-time architecture to minimize switching losses and improve efficiency.  
- Designed for battery-powered and portable applications where power conservation is critical.  
- Requires external MOSFETs, inductor, and capacitors to complete the regulator circuit.  

### **Features:**
- **Synchronous Operation:** Reduces power loss by eliminating the need for a Schottky diode.  
- **Low Quiescent Current:** Enhances efficiency in light-load conditions.  
- **Wide Input Voltage Range:** Supports operation from 3.5V to 36V.  
- **Adjustable Output Voltage:** Configured via external resistors.  
- **Short-Circuit Protection:** Includes cycle-by-cycle current limiting.  
- **Soft-Start Capability:** Reduces inrush current during startup.  
- **Thermal Shutdown:** Protects the device from overheating.  

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

Application Scenarios & Design Considerations

Switched-Capacitor Wide Input Range Voltage Converter with Shutdown

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