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LT1931IS5 from LT

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15.625ms

LT1931IS5

Manufacturer: LT

1.2MHz/2.2MHz Inverting DC/DC Converters in ThinSOT

Partnumber Manufacturer Quantity Availability
LT1931IS5 LT 537 In Stock

Description and Introduction

1.2MHz/2.2MHz Inverting DC/DC Converters in ThinSOT The LT1931IS5 is a step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 1.2V to 16V  
- **Output Voltage Range:** Up to 34V (adjustable via external resistors)  
- **Output Current:** Up to 1A (switch current limit)  
- **Switching Frequency:** 1.2MHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-5  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
- The LT1931IS5 is a high-efficiency, fixed-frequency step-up DC/DC converter.  
- It includes an internal 1A switch and can generate high output voltages from low input supplies.  
- The device operates in a current-limited, pulse-width modulation (PWM) mode.  
- It is designed for battery-powered applications, LED drivers, and portable electronics.  

### **Features:**  
- **Wide Input Voltage Range:** Supports low-voltage inputs (down to 1.2V).  
- **High Output Voltage Capability:** Up to 34V.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Low Shutdown Current:** <1µA for power-saving operation.  
- **Small Footprint:** SOT-23-5 package for space-constrained designs.  
- **Fixed 1.2MHz Switching Frequency:** Minimizes external component size.  
- **Current Mode Control:** Provides stable operation and fast transient response.  

This information is strictly based on the manufacturer's datasheet.

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