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MAX1574ETB+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1574ETB+T

Manufacturer: MAXIM

180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN

Partnumber Manufacturer Quantity Availability
MAX1574ETB+T MAXIM 6698 In Stock

Description and Introduction

180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN The MAX1574ETB+T is a high-efficiency, step-up DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable up to 13V  
- **Output Current:** Up to 30mA  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 85%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 10-pin TDFN (3mm x 3mm)  

### **Descriptions:**  
The MAX1574ETB+T is designed for driving white LEDs in series or parallel configurations. It features a high-efficiency boost converter with an internal MOSFET, making it suitable for small, battery-powered applications. The device includes overvoltage protection (OVP) and thermal shutdown for reliability.  

### **Features:**  
- **High Efficiency:** Up to 85% conversion efficiency.  
- **Adjustable Output Voltage:** Configurable via an external resistor.  
- **Integrated Power MOSFET:** Simplifies design and reduces external components.  
- **Overvoltage Protection (OVP):** Safeguards the circuit from excessive voltage.  
- **Thermal Shutdown:** Prevents overheating.  
- **Low Quiescent Current:** 0.5µA (typical) in shutdown mode.  
- **1MHz Fixed Switching Frequency:** Minimizes external component size.  

This device is commonly used in backlighting for LCDs, camera flash circuits, and other LED driver applications.

Application Scenarios & Design Considerations

180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN

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