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MAX8578EUB from MAX,MAXIM - Dallas Semiconductor

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MAX8578EUB

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX8578EUB MAX 345 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 the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
Maxim Integrated (Analog Devices)  

### **Part Number:**  
MAX8578EUB  

### **Package:**  
10-pin µMAX® (µSOP)  

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (up to 5.5V)  
- **Output Current:** Up to 300mA  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 93%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Low Quiescent Current:** 30µA (typical)  

### **Descriptions:**  
The MAX8578EUB is a high-efficiency, step-up DC-DC converter designed for low-input voltage applications. It integrates a synchronous rectifier to improve efficiency and reduce external component count. The device is optimized for battery-powered portable devices, such as wireless sensors, medical devices, and portable electronics.  

### **Features:**  
- **True Shutdown Mode:** Disconnects load from input  
- **Internal Synchronous Rectifier:** Improves efficiency  
- **Low Start-Up Voltage:** 0.7V (minimum)  
- **Adjustable Output Voltage:** Via external resistors  
- **Pulse-Frequency Modulation (PFM) Mode:** Enhances light-load efficiency  
- **Overcurrent Protection:** Prevents damage under fault conditions  
- **Small Footprint:** 10-pin µMAX package  

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

Application Scenarios & Design Considerations

3V to 28V Input, Low-Cost, Hysteretic Synchronous Step-Down Controllers
Partnumber Manufacturer Quantity Availability
MAX8578EUB MAXIM 59 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

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