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MAX8578EUB+ from MAX,MAXIM - Dallas Semiconductor

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MAX8578EUB+

Manufacturer: MAX, MAXIM

3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers

Partnumber Manufacturer Quantity Availability
MAX8578EUB+,MAX8578EUB MAX, MAXIM 1185 In Stock

Description and Introduction

3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers The **MAX8578EUB+** is a product from **Maxim Integrated** (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Manufacturer**:  
- **MAXIM (Maxim Integrated)**  

### **Specifications**:  
- **Type**: Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range**: 0.7V to 5.5V  
- **Output Voltage Range**: Adjustable (up to 5.5V)  
- **Output Current**: Up to 600mA  
- **Switching Frequency**: 1.2MHz (typical)  
- **Efficiency**: Up to 95%  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: 10-pin µMAX (µSOP)  

### **Descriptions**:  
- The **MAX8578EUB+** is a **high-efficiency, step-up DC-DC converter** designed for low-input voltage applications.  
- It is optimized for **single-cell or dual-cell battery-powered devices**, such as portable electronics.  
- Features **pulse-frequency modulation (PFM)** for improved efficiency at light loads.  
- Includes **internal synchronous rectification** to reduce external component count.  

### **Features**:  
- **Low Start-Up Voltage (0.7V)** – Suitable for single-cell alkaline/NiMH batteries.  
- **Adjustable Output Voltage** – Set via external resistors.  
- **Internal Synchronous Rectifier** – Improves efficiency and eliminates the need for an external diode.  
- **Low Quiescent Current (25µA typ.)** – Extends battery life.  
- **Soft-Start Function** – Reduces inrush current.  
- **Thermal Shutdown Protection** – Prevents overheating.  
- **Small Footprint** – 10-pin µMAX package for space-constrained designs.  

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

Application Scenarios & Design Considerations

3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers

Alternative Part Number

  • TPS61170DRVR --: Integrated boost converter in a small package with comparable input/output voltage range and current capability, suitable as a functional substitute for a compact step-up regulator.
  • LT3495EDDB --: Low-power boost converter with similar switching topology and compact DFN package, offering comparable performance for small step-up applications.
  • AP3012KTR-G1 --: Simple boost converter IC with similar voltage range and current rating, widely available and cost-effective alternative for low-power step-up designs.

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