Complete Bias and White LED Power Supplies for Small TFT Displays The **MAX1579ETG+T** is a **white LED step-up converter** manufactured by **Maxim Integrated**.  

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Up to **30V** (adjustable)  
- **Maximum Output Current:** **30mA per channel** (total of 120mA for 4 channels)  
- **Efficiency:** Up to **85%**  
- **Switching Frequency:** **1MHz** (typical)  
- **Number of Channels:** **4**  
- **Dimming Control:** **PWM or analog**  
- **Package:** **24-pin TQFN (5mm x 5mm)**  
- **Operating Temperature Range:** **-40°C to +85°C**  

### **Descriptions:**  
The MAX1579ETG+T is a **high-efficiency, step-up converter** designed to drive **white LEDs** in **backlighting applications**. It features **four regulated current sinks**, allowing independent control of LED brightness. The device supports **PWM and analog dimming** for flexible brightness adjustment.  

### **Features:**  
- **High-efficiency boost converter** with **1MHz switching frequency**  
- **Four regulated current sinks** (up to 30mA each)  
- **PWM and analog dimming control**  
- **Low shutdown current** (<1µA)  
- **Overvoltage protection (OVP)**  
- **Thermal shutdown protection**  
- **Compact 24-pin TQFN package**  

This device is commonly used in **LCD backlighting, portable devices, and camera flash applications**.  

Would you like additional details on any specific feature?

Complete Bias and White LED Power Supplies for Small TFT Displays