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MAX8739ETP+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX8739ETP+T

Manufacturer: MAXIM

TFT, LCD, DC-DC Converter with Operational Amplifiers

Partnumber Manufacturer Quantity Availability
MAX8739ETP+T,MAX8739ETPT MAXIM 20000 In Stock

Description and Introduction

TFT, LCD, DC-DC Converter with Operational Amplifiers The MAX8739ETP+T is a power management IC (PMIC) manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Manufacturer:** MAXIM (now Analog Devices)  
### **Part Number:** MAX8739ETP+T  
### **Package:** TQFN-20 (5x5mm)  

### **Description:**  
The MAX8739ETP+T is a highly integrated power management IC designed for notebook computers and other portable devices. It combines a step-down controller for the CPU core voltage, a step-down controller for the system voltage, and a linear regulator for auxiliary power.  

### **Features:**  
1. **Dual Step-Down Controllers:**  
   - One controller for CPU core voltage (adjustable output).  
   - One controller for system voltage (adjustable output).  
   - Both support synchronous rectification for high efficiency.  

2. **Linear Regulator:**  
   - Integrated low-dropout (LDO) regulator for auxiliary power.  

3. **Wide Input Voltage Range:**  
   - Operates from **4.5V to 28V**, suitable for battery-powered applications.  

4. **Adjustable Output Voltages:**  
   - Core voltage adjustable from **0.7V to 1.708V**.  
   - System voltage adjustable from **1.5V to 5.5V**.  

5. **Switching Frequency:**  
   - Fixed **300kHz** operation for both step-down controllers.  

6. **Protection Features:**  
   - Overvoltage protection (OVP).  
   - Undervoltage lockout (UVLO).  
   - Thermal shutdown.  

7. **Power Sequencing:**  
   - Supports controlled startup and shutdown sequencing.  

8. **Efficiency Optimization:**  
   - Synchronous rectification improves power efficiency.  

9. **Package:**  
   - 20-pin TQFN (5mm x 5mm) with exposed pad for thermal dissipation.  

This IC is commonly used in notebook PCs, portable devices, and embedded systems requiring multiple regulated power rails.  

(Note: For detailed electrical characteristics, refer to the official datasheet from Maxim Integrated/Analog Devices.)

Application Scenarios & Design Considerations

TFT, LCD, DC-DC Converter with Operational Amplifiers

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