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MAX1576ETG from MAXIM,MAXIM - Dallas Semiconductor

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MAX1576ETG

Manufacturer: MAXIM

480mA White LED 1x/1.5x/2x Charge Pump for Backlighting and Camera Flash

Partnumber Manufacturer Quantity Availability
MAX1576ETG MAXIM 42 In Stock

Description and Introduction

480mA White LED 1x/1.5x/2x Charge Pump for Backlighting and Camera Flash The MAX1576ETG is a white LED charge pump from Maxim Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Manufacturer**: Maxim Integrated (Analog Devices)  
### **Part Number**: MAX1576ETG  

### **Description**:  
The MAX1576ETG is a high-efficiency, regulated charge pump designed to drive up to 8 white LEDs with constant current for backlighting applications. It provides a high switching frequency, allowing the use of small external components.  

### **Key Features**:  
- **Input Voltage Range**: 2.7V to 5.5V  
- **Output Current**: Up to 120mA (total for all LEDs)  
- **Efficiency**: Up to 92%  
- **Switching Frequency**: 1MHz (fixed)  
- **LED Current Matching**: ±0.5% typical  
- **Dimming Control**: PWM or analog dimming  
- **Number of LEDs Supported**: Up to 8  
- **Regulation Method**: Constant current  
- **Package**: 24-pin TQFN (5mm x 5mm)  
- **Operating Temperature Range**: -40°C to +85°C  

### **Applications**:  
- Mobile phones  
- PDAs and handheld devices  
- Digital cameras  
- Portable media players  

### **Additional Features**:  
- Soft-start to limit inrush current  
- Low shutdown current (<1µA)  
- Thermal shutdown protection  
- No inductors required (charge pump topology)  

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

Application Scenarios & Design Considerations

480mA White LED 1x/1.5x/2x Charge Pump for Backlighting and Camera Flash

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