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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+,MAX1576ETG MAXIM 6234 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 step-up converter from **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** MAXIM Integrated (Analog Devices)  
- **Part Number:** MAX1576ETG+  
- **Package:** 24-TQFN (4x4mm)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Up to 24V (adjustable)  
- **Switching Frequency:** 1MHz (fixed)  
- **Number of LEDs Supported:** Up to 8 (parallel)  
- **LED Current:** 30mA per channel (adjustable)  
- **Efficiency:** Up to 85%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The MAX1576ETG+ is a high-efficiency, step-up DC-DC converter designed for driving white LEDs in backlighting applications.  
- It integrates a current-mode PWM controller with built-in MOSFET drivers for compact designs.  
- Features automatic soft-start and overvoltage protection.  

### **Features:**
- **High Efficiency:** Up to 85% efficiency for extended battery life.  
- **PWM Dimming Control:** Supports up to 30:1 dimming ratio.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  
- **Integrated Power MOSFET:** Reduces external component count.  
- **Overvoltage Protection (OVP):** Safeguards LEDs from excessive voltage.  
- **Thermal Shutdown:** Prevents overheating damage.  

This device is commonly used in **mobile phones, PDAs, portable media players, and LCD backlighting applications**.  

Would you like additional details on pin configuration or application notes?

Application Scenarios & Design Considerations

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

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