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MAX8529EEG from MAX,MAXIM - Dallas Semiconductor

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MAX8529EEG

Manufacturer: MAX, MAXIM

1.5MHz Dual 180° Out-of-Phase PWM Step-Down Controller with POR

Partnumber Manufacturer Quantity Availability
MAX8529EEG MAX, MAXIM 1957 In Stock

Description and Introduction

1.5MHz Dual 180° Out-of-Phase PWM Step-Down Controller with POR The MAX8529EEG is a high-efficiency, step-down DC-DC converter manufactured by Maxim Integrated. Below are the factual details about its specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage Range:** Adjustable from 0.8V to VIN  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-pin QSOP  

### **Descriptions:**  
The MAX8529EEG is a synchronous step-down DC-DC converter optimized for high efficiency and compact design. It integrates both high-side and low-side MOSFETs, reducing external component count. The device operates at a fixed 1MHz switching frequency, allowing the use of small inductors and capacitors. It features a low-dropout (LDO) mode for improved efficiency at low output voltages and includes internal soft-start to limit inrush current.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power loss.  
- **Pulse-Width Modulation (PWM) Mode:** Ensures stable operation under varying loads.  
- **Low-Dropout (LDO) Mode:** Enhances efficiency at low output voltages.  
- **Internal Soft-Start:** Prevents excessive inrush current during startup.  
- **Undervoltage Lockout (UVLO):** Protects the device from low input voltage conditions.  
- **Thermal Shutdown:** Prevents damage due to overheating.  
- **Adjustable Output Voltage:** Set via external resistors.  

The MAX8529EEG is commonly used in portable devices, battery-powered applications, and point-of-load (POL) power supplies.  

(Source: Maxim Integrated datasheet for MAX8529EEG.)

Application Scenarios & Design Considerations

1.5MHz Dual 180° Out-of-Phase PWM Step-Down Controller with POR

Alternative Part Number

  • LTC3412AEFE --: High-efficiency synchronous step-down regulator with similar input range and current capability, suitable drop-in for many MAX8529EEG applications.
  • TPS54331D --: Wide-input 3A step-down converter with comparable switching frequency and package options, widely available and cost-effective.
  • LM2678T-ADJ --: Simple 5A step-down regulator with adjustable output, robust alternative when higher current margin is needed.

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