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MAX1775EEE-T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1775EEE-T

Manufacturer: MAXIM, MAXI

Dual-Output Step-Down DC-DC Converter for PDA/Palmtop Computers

Partnumber Manufacturer Quantity Availability
MAX1775EEE-T,MAX1775EEET MAXIM, MAXI 1214 In Stock

Description and Introduction

Dual-Output Step-Down DC-DC Converter for PDA/Palmtop Computers The MAX1775EEE-T is a high-efficiency, step-up DC-DC converter manufactured by Maxim Integrated (now part of Analog Devices). Below are its factual specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 1.8V to 28V  
- **Output Voltage Range:** Adjustable from 2.7V to 28V  
- **Output Current:** Up to 2A (switch current limit)  
- **Switching Frequency:** 300kHz (fixed)  
- **Efficiency:** Up to 95%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP (Exposed Pad)  

### **Descriptions:**  
- The MAX1775EEE-T is a synchronous step-up DC-DC converter optimized for high-efficiency power conversion.  
- It integrates a low-resistance N-channel MOSFET switch and a synchronous rectifier for improved efficiency.  
- Suitable for battery-powered applications, portable devices, and industrial systems requiring regulated high-voltage outputs.  

### **Features:**  
- **Wide Input Voltage Range:** Supports operation from 1.8V to 28V.  
- **Adjustable Output Voltage:** Configurable via external resistors.  
- **High Efficiency:** Up to 95% due to synchronous rectification.  
- **Low Shutdown Current:** <1µA in shutdown mode.  
- **Internal Soft-Start:** Reduces inrush current during startup.  
- **Overcurrent Protection:** Includes cycle-by-cycle current limiting.  
- **Thermal Shutdown:** Protects against overheating.  

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

Application Scenarios & Design Considerations

Dual-Output Step-Down DC-DC Converter for PDA/Palmtop Computers

Alternative Part Number

  • TPS61175PWPR --: Wide-input boost converter in a similar power class, available in a thermally enhanced package and widely stocked as a functional substitute for boost regulator applications.
  • LT1932ES6 --: Compact step-up DC-DC converter with comparable input range and switching behavior, suitable for low-power boost designs needing a smaller footprint.
  • MC34063ADR2G --: Versatile general-purpose switching regulator that can be configured as a boost converter, offering a low-cost and widely available fallback option.
  • TPS61165DRVR --: Boost converter in the same class with integrated switch, suitable for similar step-up applications and widely available.
  • LT1932ES6#TRPBF --: Constant-current boost LED driver with comparable input range and compact package, a common alternative for MAX1775 designs.
  • AP3015AKTR-G1 --: Low-cost boost converter with similar voltage/current capability, useful as a drop-in style replacement in many circuits.

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