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LTC1553LCSW from LT

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LTC1553LCSW

Manufacturer: LT

5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor

Partnumber Manufacturer Quantity Availability
LTC1553LCSW LT 900 In Stock

Description and Introduction

5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor The LTC1553LCSW is a low-power, high-efficiency charge pump DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Key Specifications:**  
- **Input Voltage Range:** 1.8V to 5.5V  
- **Output Voltage:** 3.3V (regulated)  
- **Output Current:** Up to 50mA  
- **Efficiency:** Up to 90%  
- **Switching Frequency:** 300kHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Lead SOIC (LCSW)  

### **Descriptions and Features:**  
- **Low Power Consumption:** Only 40µA quiescent current.  
- **No Inductors Required:** Uses an internal charge pump for voltage conversion.  
- **Automatic Load Disconnect:** Prevents reverse current flow when disabled.  
- **Low Noise:** Minimizes output ripple.  
- **Shutdown Mode:** Reduces current consumption to <1µA.  
- **Soft-Start Feature:** Limits inrush current during startup.  
- **Short-Circuit Protection:** Safeguards the device under fault conditions.  

This device is commonly used in battery-powered applications, portable electronics, and low-power systems requiring efficient voltage conversion.

Application Scenarios & Design Considerations

5-Bit Programmable Synchronous Switching Regulator Controller for Pentium II Processor

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