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LM27965SQ-M/NOPB from NSC,National Semiconductor

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LM27965SQ-M/NOPB

Manufacturer: NSC

Dual Display White LED Driver with I2C Compatible Brightness Control 24-WQFN

Partnumber Manufacturer Quantity Availability
LM27965SQ-M/NOPB,LM27965SQMNOPB NSC 9400 In Stock

Description and Introduction

Dual Display White LED Driver with I2C Compatible Brightness Control 24-WQFN The LM27965SQ-M/NOPB is a dual white LED charge pump with a regulated current sink, manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Current:** Up to 30mA per channel (two independent channels)  
- **Efficiency:** Up to 90%  
- **Switching Frequency:** 1MHz (typical)  
- **Package:** 16-Pin WQFN (Quad Flat No-Lead)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Dimming Control:** PWM (Pulse Width Modulation) or analog  
- **Features:** Automatic mode switching (1x, 1.5x, 2x charge pump modes)  

### **Descriptions and Features:**  
- Dual regulated current sink for driving white LEDs.  
- Integrated charge pump supports multiple modes for optimal efficiency.  
- Independent brightness control for each LED channel.  
- Low dropout current sink allows high efficiency even at low input voltages.  
- Built-in soft-start to limit inrush current.  
- Thermal shutdown protection for safety.  
- Suitable for backlighting applications in portable devices.  

This device is designed for battery-powered applications requiring efficient LED driving with minimal external components.

Application Scenarios & Design Considerations

Dual Display White LED Driver with I2C Compatible Brightness Control 24-WQFN

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