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LTC1517ES5-5 from LT

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LTC1517ES5-5

Manufacturer: LT

Micropower, Regulated 5V Charge Pump in a 5-Pin SOT-23 Package

Partnumber Manufacturer Quantity Availability
LTC1517ES5-5,LTC1517ES55 LT 1000 In Stock

Description and Introduction

Micropower, Regulated 5V Charge Pump in a 5-Pin SOT-23 Package The LTC1517ES5-5 is a low-power, step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 1.8V to 5.5V  
- **Fixed Output Voltage:** 5V  
- **Output Current:** Up to 100mA (depending on input voltage)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 85%  
- **Quiescent Current:** 40µA (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  

### **Descriptions and Features:**  
- Designed for battery-powered applications requiring a regulated 5V output.  
- Uses a current-limited, pulse-frequency-modulated (PFM) architecture for high efficiency at light loads.  
- Includes an internal N-channel switch (0.5Ω on-resistance) and Schottky diode.  
- Low start-up voltage (1.8V) makes it suitable for single-cell Li-ion or two-cell alkaline/NiMH applications.  
- Automatic Burst Mode® operation for improved efficiency at light loads.  
- Requires only three external components (inductor, input capacitor, output capacitor).  
- No external diode needed due to internal Schottky diode.  

This information is based on the manufacturer's datasheet. For detailed specifications, refer to the official documentation.

Application Scenarios & Design Considerations

Micropower, Regulated 5V Charge Pump in a 5-Pin SOT-23 Package

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