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MAX1818EUT18-T from MAXI,MAXIM - Dallas Semiconductor

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MAX1818EUT18-T

Manufacturer: MAXI, MAXIM

500mA, Low-Dropout Linear Regulator in SOT23

Partnumber Manufacturer Quantity Availability
MAX1818EUT18-T,MAX1818EUT18T MAXI, MAXIM 3210 In Stock

Description and Introduction

500mA, Low-Dropout Linear Regulator in SOT23 The MAX1818EUT18-T is a step-down DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1818EUT18-T  
- **Type:** Step-Down DC-DC Converter  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage:** 1.8V (Fixed)  
- **Output Current:** Up to 600mA  
- **Switching Frequency:** 1.2MHz (Typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SOT-23-6  
- **Regulation:** ±4% (Load, Line, and Temperature)  

### **Descriptions:**
The MAX1818EUT18-T is a high-efficiency, step-down DC-DC converter designed for low-power applications. It integrates synchronous rectification to minimize external components and improve efficiency. The fixed 1.8V output makes it suitable for powering low-voltage processors, FPGAs, and other digital ICs.

### **Features:**
- **High Efficiency:** Up to 95% with synchronous rectification.  
- **Low Dropout Operation:** Allows operation near the output voltage.  
- **Low Quiescent Current:** 40µA (Typical) in shutdown mode.  
- **Internal Soft-Start:** Reduces inrush current.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Short-Circuit Protection:** Enhances reliability.  
- **Small Footprint:** SOT-23-6 package for space-constrained applications.  

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

Application Scenarios & Design Considerations

500mA, Low-Dropout Linear Regulator in SOT23

Alternative Part Number

  • LP2985AIM5-1.8 --: Low-dropout 1.8V linear regulator in SOT-23-5 with similar current capability and pinout, widely available and cost-effective.
  • MIC5205-1.8YM5 --: 1.8V LDO regulator in SOT-23-5 offering comparable dropout and output current, suitable drop-in replacement in most designs.
  • TLV70218PDBVR --: 1.8V low-IQ LDO in SOT-23-5 with stable performance and good availability as an alternative regulator option.
  • AP2112K-1.8TRG1 --: 1.8V LDO regulator in SOT-23-5 offering comparable dropout and load current, an economical alternative with broad distribution.

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