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LT1303IS8-5 from LINEAR

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LT1303IS8-5

Manufacturer: LINEAR

Micropower High Efficiency DC/DC Converters with Low-Battery Detector Adjustable and Fixed 5V

Partnumber Manufacturer Quantity Availability
LT1303IS8-5,LT1303IS85 LINEAR 17250 In Stock

Description and Introduction

Micropower High Efficiency DC/DC Converters with Low-Battery Detector Adjustable and Fixed 5V The LT1303IS8-5 is a step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 1.8V to 12V  
- **Fixed Output Voltage:** 5V  
- **Output Current:** Up to 300mA (depending on input voltage)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 85%  
- **Package:** SO-8  
- **Operating Temperature Range:** -40°C to +85°C  
- **Low Quiescent Current:** 100µA (typical)  
- **Shutdown Current:** <1µA  

### **Descriptions:**  
The LT1303IS8-5 is a micropower step-up DC/DC converter optimized for battery-powered applications. It features a built-in 1A switch and can operate from input voltages as low as 1.8V, making it suitable for single-cell or dual-cell battery systems.  

### **Features:**  
- **Wide Input Voltage Range:** Supports 1.8V to 12V inputs.  
- **Fixed 5V Output:** Eliminates the need for external feedback resistors.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Internal 1A Power Switch:** Reduces external component count.  
- **500kHz Switching Frequency:** Allows the use of small inductors and capacitors.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Short-Circuit Protection:** Enhances reliability.  

This device is commonly used in battery-powered systems, portable instruments, and other applications requiring efficient voltage conversion.

Application Scenarios & Design Considerations

Micropower High Efficiency DC/DC Converters with Low-Battery Detector Adjustable and Fixed 5V
Partnumber Manufacturer Quantity Availability
LT1303IS8-5,LT1303IS85 LT 820 In Stock

Description and Introduction

Micropower High Efficiency DC/DC Converters with Low-Battery Detector Adjustable and Fixed 5V The LT1303IS8-5 is a micropower step-up DC/DC converter manufactured by Linear Technology (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 1.8V to 12V  
- **Fixed Output Voltage:** 5V  
- **Output Current:** Up to 300mA (depending on input voltage)  
- **Switching Frequency:** 300kHz  
- **Efficiency:** Up to 85%  
- **Quiescent Current:** 100µA (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SO-8  

### **Descriptions and Features:**  
- Designed for battery-powered applications requiring high efficiency.  
- Includes an internal NPN switch with 0.5Ω on-resistance.  
- Low dropout operation allows the output to remain regulated even when the input voltage is close to the output.  
- Automatic Burst Mode® operation enhances efficiency at light loads.  
- Requires minimal external components for operation.  
- Features short-circuit and thermal protection.  
- Suitable for portable devices, medical instruments, and wireless applications.  

(Source: Linear Technology/Analog Devices datasheet)

Application Scenarios & Design Considerations

Micropower High Efficiency DC/DC Converters with Low-Battery Detector Adjustable and Fixed 5V

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