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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 MAX, MAXIM 296 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 Integrated (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX1779EUE  
- **Package:** 16-TSSOP  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage Range:** Adjustable from 2V to 5.5V  
- **Maximum Output Current:** Up to 300mA (depending on input/output conditions)  
- **Switching Frequency:** 500kHz  
- **Efficiency:** Up to 90%  
- **Operating Temperature Range:** -40°C to +85°C  

### **Description:**  
The MAX1779EUE is a high-efficiency, step-up DC-DC converter designed for low-input-voltage applications. It is optimized for battery-powered systems, providing a regulated output voltage from a single-cell or dual-cell input. The device features an internal N-channel MOSFET switch and requires minimal external components.

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V  
- **Adjustable Output Voltage:** Set via external resistors  
- **Internal Synchronous Rectifier:** Improves efficiency  
- **Low Quiescent Current:** 20µA (typical)  
- **Soft-Start Function:** Reduces inrush current  
- **Overcurrent Protection:** Prevents damage under fault conditions  
- **Thermal Shutdown:** Protects against overheating  

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

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TPS61130PW --: Dual-output boost converter with similar input range and TSSOP package, suitable functional replacement for the MAX1779.
  • LT1945EMS --: Dual boost converter in MSOP package with comparable current capability and pin-compatible function.
  • ISL97516IUZ --: Boost converter with similar voltage and current ratings, available in small package, usable as an alternative with layout review.
  • RT4801WSC --: Compact LCD bias power IC with positive and negative outputs, cost-effective alternative for small panel supplies.

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