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MAX1688EUE from MAXIM,MAXIM - Dallas Semiconductor

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MAX1688EUE

Manufacturer: MAXIM, MAX

Step-Up DC-DC Converters with Precise / Adaptive Current Limit for GSM

Partnumber Manufacturer Quantity Availability
MAX1688EUE MAXIM, MAX 55 In Stock

Description and Introduction

Step-Up DC-DC Converters with Precise / Adaptive Current Limit for GSM The MAX1688EUE is a high-efficiency, step-down 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:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage Range:** 1.25V to 26V (adjustable)  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 300kHz (fixed)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-TSSOP (Exposed Pad)  

### **Descriptions:**  
The MAX1688EUE is a synchronous step-down DC-DC converter designed for high-efficiency power conversion in applications such as industrial, automotive, and telecom systems. It integrates a high-side P-channel MOSFET and a low-side N-channel MOSFET for synchronous rectification, improving efficiency and reducing external component count.  

### **Features:**  
- **Synchronous Rectification:** Improves efficiency by reducing power losses.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Dropout Operation:** Allows operation close to input voltage.  
- **Soft-Start Function:** Reduces inrush current during startup.  
- **Overcurrent Protection:** Prevents damage during output short circuits.  
- **Thermal Shutdown:** Protects the IC from overheating.  
- **Low Quiescent Current:** Typically 1.5mA (no load).  

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

Application Scenarios & Design Considerations

Step-Up DC-DC Converters with Precise / Adaptive Current Limit for GSM

Alternative Part Number

  • TPS61020DRCR --: Boost converter with integrated switch in a similar power class; different series and manufacturer, suitable as a functional substitute for step-up applications.
  • LT1935ES5 --: High-efficiency boost DC-DC converter with comparable input/output range; different naming and series, good cross-vendor alternative.
  • NCP1402SN50T1G --: Compact boost converter IC with similar boost topology and low-voltage operation; clearly different part family and vendor.
  • LTC3426ES6 --: High-efficiency step-up DC-DC converter with comparable input/output range and small package, good electrical match for the MAX1688 boost regulator.
  • NCP1402SN33T1G --: Low-power boost converter offering similar boost regulation function; acceptable alternative when exact specifications are not critical.

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