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MAX1688EUE from MAX,MAXIM - Dallas Semiconductor

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MAX1688EUE

Manufacturer: MAX

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

Partnumber Manufacturer Quantity Availability
MAX1688EUE MAX 12 In Stock

Description and Introduction

Step-Up DC-DC Converters with Precise / Adaptive Current Limit for GSM The MAX1688EUE is a high-efficiency, step-up DC-DC converter manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:  

### **Manufacturer:** Maxim Integrated  

### **Specifications:**  
- **Input Voltage Range:** 0.7V to 5.5V  
- **Output Voltage:** Adjustable up to 5.5V  
- **Output Current:** Up to 300mA (depending on input voltage)  
- **Switching Frequency:** 500kHz (typical)  
- **Efficiency:** Up to 94%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 16-TSSOP (Exposed Pad)  

### **Descriptions:**  
- The MAX1688EUE is a step-up (boost) DC-DC converter optimized for low-input-voltage applications.  
- It integrates a power MOSFET switch, reducing external component count.  
- Designed for battery-powered devices, portable electronics, and energy-harvesting applications.  

### **Features:**  
- **Low Start-Up Voltage:** Operates down to 0.7V.  
- **Internal Power MOSFET:** Simplifies design and reduces external parts.  
- **Adjustable Output Voltage:** Set via external resistors.  
- **Low Quiescent Current:** 40µA (typical) for improved efficiency.  
- **Soft-Start Function:** Reduces inrush current.  
- **Thermal Shutdown Protection:** Prevents overheating.  
- **Undervoltage Lockout (UVLO):** Ensures proper operation under low input conditions.  

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

Application Scenarios & Design Considerations

Step-Up DC-DC Converters with Precise / Adaptive Current Limit for GSM
Partnumber Manufacturer Quantity Availability
MAX1688EUE MAXIM 43 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

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