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LM27965SQ from NS,National Semiconductor

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15.625ms

LM27965SQ

Manufacturer: NS

Dual Display White LED Driver with I2C Compatible Brightness Control

Partnumber Manufacturer Quantity Availability
LM27965SQ NS 2490 In Stock

Description and Introduction

Dual Display White LED Driver with I2C Compatible Brightness Control The LM27965SQ is a dual white LED charge pump with a 1x/1.5x/2x fractional conversion mode, manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 32mA per LED (adjustable)  
- **Efficiency:** Up to 90% (depending on mode)  
- **Switching Frequency:** 1MHz (typical)  
- **Number of LEDs Supported:** 2  
- **Dimming Control:** PWM or analog  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin LLP (Leadless Leadframe Package)  

### **Descriptions:**  
The LM27965SQ is designed for driving dual white LEDs in portable devices. It features an adaptive charge pump that automatically switches between 1x, 1.5x, and 2x modes to optimize efficiency. It includes built-in soft-start and thermal shutdown protection.  

### **Features:**  
- Automatic mode switching (1x/1.5x/2x)  
- Low-noise operation  
- Independent current control for each LED  
- Soft-start to limit inrush current  
- Thermal shutdown protection  
- Small footprint (16-pin LLP package)  

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

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