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MAX8814ETA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX8814ETA+

Manufacturer: MAXIM

28V Linear Li+ Battery Charger with Smart Autoboot Assistant

Partnumber Manufacturer Quantity Availability
MAX8814ETA+ MAXIM 4400 In Stock

Description and Introduction

28V Linear Li+ Battery Charger with Smart Autoboot Assistant The MAX8814ETA+ is a linear regulator manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Input Voltage Range:** 2.5V to 5.5V  
- **Output Voltage:** Adjustable (0.8V to 5V) or Fixed (1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V)  
- **Output Current:** Up to 200mA  
- **Dropout Voltage:** 120mV (typical at 200mA load)  
- **Quiescent Current:** 40µA (typical)  
- **Shutdown Current:** <1µA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin TDFN (3mm x 3mm)  

### **Descriptions:**  
The MAX8814ETA+ is a low-dropout (LDO) linear regulator designed for portable and battery-powered applications. It provides a stable output voltage with low noise and high efficiency. The device includes features such as thermal shutdown and current limiting for protection.  

### **Features:**  
- Low dropout voltage (120mV at 200mA)  
- Ultra-low quiescent current (40µA)  
- Adjustable or fixed output voltage options  
- Thermal shutdown and current-limit protection  
- Stable with low-ESR ceramic capacitors  
- Small 8-pin TDFN package  

This information is sourced from Maxim Integrated's official documentation.

Application Scenarios & Design Considerations

28V Linear Li+ Battery Charger with Smart Autoboot Assistant

Alternative Part Number

  • BQ24040DSQR --: Single-cell Li-ion linear charger in a small DFN package with similar charge current and thermal regulation features, a common drop-in functional replacement for the MAX8814.
  • LTC4054LES5-4.2 --: Standalone linear Li-ion battery charger with programmable charge current and 4.2V float voltage, offering comparable functionality in a compact SOT-23 package.
  • MCP73831T-2ACI/OT --: Popular single-cell Li-ion/Li-Po charge management controller with programmable current and small SOT-23 footprint, widely used as an alternative to MAX8814 chargers.

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