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MAX1574ETB+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1574ETB+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX1574ETB+,MAX1574ETB MAXIM 12 In Stock

Description and Introduction

180mA, 1x/2x, White LED Charge Pump in 3mm x 3mm TDFN The MAX1574ETB+ is a white LED charge pump from Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX1574ETB+  
- **Type:** White LED Charge Pump  
- **Package:** 10-TDFN (3x3mm)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Up to 5.5V (adjustable)  
- **Number of Outputs:** 4  
- **Switching Frequency:** 1MHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The MAX1574ETB+ is a high-efficiency charge pump designed to drive up to four white LEDs for backlighting applications.  
- It features automatic mode switching between 1x, 1.5x, and 2x charge pump modes for optimal efficiency.  
- Includes built-in soft-start and overvoltage protection.  

### **Features:**
- **Automatic Mode Switching:** Optimizes efficiency by selecting 1x, 1.5x, or 2x modes based on input voltage.  
- **PWM Dimming Control:** Supports up to 30:1 dimming ratio.  
- **Low Noise Operation:** Fixed-frequency operation reduces EMI.  
- **Soft-Start:** Limits inrush current during startup.  
- **Overvoltage Protection (OVP):** Safeguards the device and LEDs.  
- **Small Footprint:** 10-pin TDFN package (3x3mm).  

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

Application Scenarios & Design Considerations

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

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