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MAX1779EUE+ from MAX,MAXIM - Dallas Semiconductor

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MAX1779EUE+

Manufacturer: MAX, MAXIM

Low-Power Triple-Output TFT LCD DC-DC Converter

Partnumber Manufacturer Quantity Availability
MAX1779EUE+,MAX1779EUE MAX, MAXIM 773 In Stock

Description and Introduction

Low-Power Triple-Output TFT LCD DC-DC Converter The MAX1779EUE+ is a step-up DC-DC converter manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:  

### **Specifications:**  
- **Manufacturer:** MAXIM (Analog Devices)  
- **Part Number:** MAX1779EUE+  
- **Package:** 16-TSSOP  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable (up to 28V)  
- **Output Current:** Up to 500mA (depends on input/output conditions)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
- The MAX1779EUE+ is a high-efficiency, step-up DC-DC converter optimized for low-input-voltage applications.  
- It includes an internal N-channel MOSFET switch and supports both fixed and adjustable output voltage configurations.  
- Designed for battery-powered systems, portable devices, and energy harvesting applications.  

### **Features:**  
- **Wide Input Voltage Range:** Operates from 0.7V to 5.5V.  
- **Adjustable Output Voltage:** Configurable up to 28V.  
- **High Efficiency:** Up to 94% efficiency with internal synchronous rectification.  
- **Low Quiescent Current:** 30µA (typical) in shutdown mode.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent and Thermal Protection:** Built-in safeguards for reliability.  
- **Small Footprint:** Available in a 16-pin TSSOP package.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Low-Power Triple-Output TFT LCD DC-DC Converter

Alternative Part Number

  • TPS65130RGER --: Dual-output boost converter in a similar small package, functionally comparable to the MAX1779 for multi-rail LCD bias supplies.
  • LT1945EMS --: Dual boost/inverting converter with comparable input range and output capability, suitable as a functional substitute.
  • MC34063ADR2G --: Widely available general-purpose switching regulator that can implement boost and inverting rails, useful as a low-cost fallback alternative.
  • ISL97671IRZ --: Integrated multi-output bias supply IC covering positive and negative rails, usable as an alternative for display bias designs.

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