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MAX1775EEE+T from MAXIM,MAXIM - Dallas Semiconductor

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MAX1775EEE+T

Manufacturer: MAXIM, MAX

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

Partnumber Manufacturer Quantity Availability
MAX1775EEE+T,MAX1775EEET MAXIM, MAX 5010 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 key specifications, descriptions, and features:

### **Specifications:**
- **Input Voltage Range:** 1.8V to 5.5V  
- **Output Voltage Range:** Adjustable from 2.5V to 5.5V  
- **Output Current:** Up to **1A** (depending on input/output conditions)  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to **96%**  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-QSOP (Quad Flat Small Outline Package)  
- **Topology:** Step-up (boost) DC-DC converter  

### **Descriptions:**
- The **MAX1775EEE+T** is designed for battery-powered applications requiring high efficiency and compact size.  
- It integrates a **synchronous rectifier** to improve efficiency and reduce external component count.  
- Features **low quiescent current** (typically 30µA) for improved battery life in portable devices.  
- Includes **soft-start** and **undervoltage lockout (UVLO)** for protection.  

### **Features:**
- **High Efficiency:** Up to 96% due to synchronous rectification.  
- **Low Dropout Operation:** Maintains regulation even when input voltage is close to output.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **1MHz Switching Frequency:** Allows for small external components.  
- **Integrated Power MOSFETs:** Reduces external parts count.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Current-Limit Protection:** Safeguards against excessive load conditions.  

This IC is commonly used in **portable electronics, battery-powered devices, and applications requiring efficient power conversion**.  

(Note: For detailed application-specific usage, refer to the official datasheet.)

Application Scenarios & Design Considerations

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

Alternative Part Number

  • TPS61170DRVR --: Boost converter in a small WSON package with comparable input voltage range and current capability, widely available and pin-functionally similar for many MAX1775 designs.
  • LT3580EMS8E#PBF --: Boost/inverting converter with integrated switch, similar voltage and current ratings, and a proven high-reliability alternative in a compact MSOP package.
  • AP3012KTR-G1 --: Low-cost boost converter with comparable switching frequency and output capability, suitable as a drop-in functional substitute in less critical designs.
  • TPS61175PWPR --: Wide-input boost converter with integrated switch, similar voltage range and current capability, good drop-in functional replacement from a different vendor.
  • LT1932ES6#TRPBF --: Compact boost/step-up converter with comparable switching frequency and output capability, well-established alternative in the same application space.

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