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MAX1999EEI+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1999EEI+T

Manufacturer: MAXIM

High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers

Partnumber Manufacturer Quantity Availability
MAX1999EEI+T MAXIM 4500 In Stock

Description and Introduction

High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers The MAX1999EEI+T is a DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1999EEI+T  
- **Type:** Step-Up (Boost) DC-DC Converter  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (up to 5.5V)  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 1.2MHz (typical)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin QSOP (TSSOP)  
- **Mounting Type:** Surface Mount  

### **Descriptions:**
The MAX1999EEI+T is a high-efficiency, step-up DC-DC converter designed for low-input-voltage applications. It integrates synchronous rectification to improve efficiency and reduce external component count. The device is suitable for battery-powered systems, portable electronics, and other applications requiring a regulated output from a low-voltage source.  

### **Features:**
- **Wide Input Voltage Range:** Operates from 0.7V to 5.5V.  
- **High Output Current:** Supports up to 1A load current.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **Synchronous Rectification:** Enhances efficiency and reduces power loss.  
- **1.2MHz Switching Frequency:** Allows for small external components.  
- **Low Quiescent Current:** Improves battery life in portable applications.  
- **Integrated Power MOSFETs:** Simplifies design and reduces board space.  
- **Thermal Shutdown Protection:** Prevents damage from overheating.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input conditions.  

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

Application Scenarios & Design Considerations

High-Efficiency, Quad Output, Main Power-Supply Controllers for Notebook Computers

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