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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 MAX, MAXIM 404 In Stock

Description and Introduction

3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers The MAX8578EUB is a step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX8578EUB  
- **Package:** 10-pin µMAX® (3mm x 5mm)  
- **Input Voltage Range:** 0.8V to 5.5V  
- **Output Voltage:** Adjustable from 1.8V to 5.5V  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 90%  
- **Quiescent Current:** 30µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
The MAX8578EUB is a high-efficiency, low-noise, step-up DC-DC converter designed for battery-powered applications. It integrates a synchronous rectifier to improve efficiency and reduce external component count. The device is optimized for low-input voltage operation, making it suitable for single-cell or dual-cell battery systems.

### **Features:**
- **Low Start-Up Voltage:** Operates down to 0.8V.  
- **Synchronous Rectification:** Improves efficiency and eliminates the need for an external Schottky diode.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Pulse-Width Modulation (PWM) Operation:** Ensures low-noise performance.  
- **Low Quiescent Current:** Extends battery life.  
- **Overcurrent and Thermal Protection:** Enhances reliability.  
- **Small Footprint:** 10-pin µMAX package saves board space.  

This information is sourced from Maxim Integrated's datasheet for the MAX8578EUB.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TPS65130RGER --: Dual-output boost converter in a similar small package, suitable as a functional substitute for LCD bias supply applications.
  • LT3580EMS8E --: Versatile boost/inverting converter with integrated switch, comparable electrical role and small MSOP package.
  • ISL97671IRZ --: Multi-channel LED/boost driver offering similar power-supply function for display bias, usable as an alternative with design review.
  • TPS61170DRVR --: Integrated boost converter with internal switch in a small package, suitable for similar low-voltage step-up regulation tasks.
  • LT3495EDDB --: Compact boost/inverting converter IC with comparable input range and switching capability, usable as a functional substitute.
  • AP3012KTR-G1 --: Low-cost boost converter in a small SOT package, offering a practical alternative for similar power supply designs.

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