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MAX1573ETE from MAXIM,MAXIM - Dallas Semiconductor

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MAX1573ETE

Manufacturer: MAXIM

White LED 1x/1.5x Charge Pump in UCSP and Thin QFN

Partnumber Manufacturer Quantity Availability
MAX1573ETE MAXIM 502 In Stock

Description and Introduction

White LED 1x/1.5x Charge Pump in UCSP and Thin QFN The MAX1573ETE is a white LED step-up converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Up to 24V (adjustable)  
- **Maximum Output Current:** 30mA per LED (up to 4 LEDs)  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 87%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-Pin TQFN (5mm x 5mm)  

### **Descriptions:**  
- Designed for driving up to four white LEDs in series for backlighting applications.  
- Uses a current-mode PWM boost converter for precise LED current regulation.  
- Includes an internal Schottky diode for improved efficiency.  
- Features low shutdown current (<1µA) for power-saving modes.  

### **Features:**  
- **PWM Dimming Control:** Supports external PWM dimming for brightness adjustment.  
- **Overvoltage Protection (OVP):** Prevents damage from excessive output voltage.  
- **Soft-Start:** Reduces inrush current during startup.  
- **Thermal Shutdown:** Protects the device from overheating.  
- **Low Noise Operation:** Minimizes EMI interference.  

This information is sourced from Maxim Integrated's official datasheet for the MAX1573ETE.

Application Scenarios & Design Considerations

White LED 1x/1.5x Charge Pump in UCSP and Thin QFN

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