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MAX1570ETE+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX1570ETE+

Manufacturer: MAXIM

White LED Current Regulator with 1x/1.5x High-Efficiency Charge Pump

Partnumber Manufacturer Quantity Availability
MAX1570ETE+,MAX1570ETE MAXIM 264 In Stock

Description and Introduction

White LED Current Regulator with 1x/1.5x High-Efficiency Charge Pump The **MAX1570ETE+** is a high-efficiency, step-up DC-DC converter manufactured by **MAXIM Integrated** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** MAXIM Integrated  
- **Part Number:** MAX1570ETE+  
- **Package:** 16-TQFN (5x5)  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (up to 5.5V)  
- **Output Current:** Up to 400mA (depending on input voltage)  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX1570ETE+ is a **boost (step-up) DC-DC converter** designed for low-voltage applications, such as powering white LEDs or providing regulated voltage from single-cell or multi-cell battery sources. It integrates a **high-efficiency synchronous rectifier** and operates at a fixed switching frequency of **1MHz**, minimizing external component size.  

### **Features:**
- **Wide Input Voltage Range (0.7V to 5.5V)** – Supports single-cell alkaline/NiMH or multi-cell configurations.  
- **Adjustable Output Voltage (up to 5.5V)** – Set via external resistors.  
- **High Efficiency (up to 90%)** – Uses synchronous rectification for improved power conversion.  
- **1MHz Fixed Switching Frequency** – Reduces inductor and capacitor size.  
- **Low Quiescent Current (30µA typ.)** – Enhances battery life in portable applications.  
- **Integrated Soft-Start** – Prevents inrush current during startup.  
- **Thermal Shutdown & Overcurrent Protection** – Safeguards the device under fault conditions.  

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

Application Scenarios & Design Considerations

White LED Current Regulator with 1x/1.5x High-Efficiency Charge Pump

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