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MAX8833ETJ+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX8833ETJ+

Manufacturer: MAXIM, MAXIN

Dual, 3A, 2MHz Step-Down Regulator

Partnumber Manufacturer Quantity Availability
MAX8833ETJ+ MAXIM, MAXIN 425 In Stock

Description and Introduction

Dual, 3A, 2MHz Step-Down Regulator The MAX8833ETJ+ is a power management IC manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual data:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (MAXIN)  
- **Part Number:** MAX8833ETJ+  
- **Package:** 32-TQFN (5x5mm)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage Range:** Adjustable (via external resistors)  
- **Output Current:** Up to 1.2A  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX8833ETJ+ is a high-efficiency, step-down DC-DC converter designed for portable and battery-powered applications. It integrates synchronous rectification to minimize power loss and supports a wide input voltage range, making it suitable for Li-ion battery-powered systems.  

### **Features:**  
- **High Efficiency:** Up to 95% efficiency with synchronous rectification.  
- **Low Quiescent Current:** 30µA (typical) in shutdown mode.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Overcurrent & Thermal Protection:** Safeguards against faults.  
- **Small Footprint:** 32-pin TQFN package for space-constrained designs.  
- **PWM/PFM Mode Operation:** Optimizes efficiency at light loads.  

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

Application Scenarios & Design Considerations

Dual, 3A, 2MHz Step-Down Regulator

Alternative Part Number

  • TPS54318RTER --: 3A synchronous step-down converter in a similar small QFN package with comparable input voltage range and current rating, widely available and pin-function compatible for many designs.
  • LT3505EDD#PBF --: 1.2A step-down switching regulator in DFN package with similar voltage range; good drop-in style alternative when slightly lower current is acceptable.
  • AP3441SHE-7 --: 3A synchronous buck converter in a compact package with comparable specifications and cost-effective second-source availability.
  • LT8640EUDC#PBF --: High-efficiency 5A synchronous buck regulator with similar low-noise operation and compact package, suitable as a higher-current drop-in style replacement.
  • MP2145GD-Z --: Compact 5A synchronous step-down converter with similar input range and small footprint, offering a cost-effective alternative with comparable performance.

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