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MAX1806EUA33+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1806EUA33+T

Manufacturer: MAXIM, MAX

500mA, Low-Voltage Linear Regulator in µMAX
Partnumber Manufacturer Quantity Availability
MAX1806EUA33+T,MAX1806EUA33T MAXIM, MAX 5000 In Stock

Description and Introduction

500mA, Low-Voltage Linear Regulator in µMAX The MAX1806EUA33+T is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices).  

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage:** 3.3V (fixed)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 95%  
- **Package:** 8-pin μMAX (3mm x 3mm)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Features:**  
  - Low dropout operation  
  - Internal synchronous rectifier  
  - Low quiescent current (30μA typical)  
  - Soft-start capability  
  - Overcurrent and thermal protection  

### **Description:**  
The MAX1806EUA33+T is a high-efficiency, step-down DC-DC converter designed for battery-powered and portable applications. It integrates synchronous rectification to minimize external components and improve efficiency.  

### **Features:**  
- Fixed 3.3V output  
- High efficiency (up to 95%)  
- Low quiescent current (30μA)  
- No external Schottky diode required  
- Overcurrent and thermal shutdown protection  
- Small footprint (μMAX package)  

This device is suitable for applications such as portable electronics, handheld devices, and battery-powered systems.

Application Scenarios & Design Considerations

500mA, Low-Voltage Linear Regulator in µMAX

Alternative Part Number

  • TPS7A4533DCQR --: Low-dropout 3.3V linear regulator in a similar small package with comparable current capability, widely available and pin-compatible in function.
  • LP38693SD-3.3 --: 3.3V fixed LDO regulator with low dropout and similar output current, suitable drop-in functional replacement for the MAX1806.
  • MIC5219-3.3YM5 --: 3.3V LDO regulator in SOT-23-5 with comparable current rating and low dropout, a common alternative for MAXIM 3.3V regulators.
  • LP38693SD-3.3/NOPB --: 3.3V fixed LDO regulator with similar dropout and output current, widely available and pin-compatible in function.
  • MIC5219-3.3YM5-TR --: 3.3V LDO regulator in a small SOT-23-5 package offering comparable performance for the same application.

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