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MAX1680ESA+T from MAX,MAXIM - Dallas Semiconductor

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MAX1680ESA+T

Manufacturer: MAX, MAXIM

125mA, Frequency-Selectable, Switched-Capacitor Voltage Converters

Partnumber Manufacturer Quantity Availability
MAX1680ESA+T,MAX1680ESAT MAX, MAXIM 7500 In Stock

Description and Introduction

125mA, Frequency-Selectable, Switched-Capacitor Voltage Converters The MAX1680ESA+T is a high-efficiency, step-down DC-DC converter manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 4V to 28V  
- **Output Voltage Range:** Adjustable from 1.25V to 26V  
- **Output Current:** Up to 1A  
- **Switching Frequency:** 100kHz (fixed)  
- **Efficiency:** Up to 96%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (ESA)  

### **Descriptions:**  
- The MAX1680ESA+T is a **buck (step-down) switching regulator** designed for high-efficiency power conversion.  
- It integrates a **PWM controller, MOSFET switch, and feedback circuitry** in a single package.  
- Suitable for **battery-powered applications, industrial systems, and automotive electronics**.  
- Features **low dropout operation** and **soft-start capability** to minimize inrush current.  

### **Features:**  
- **Wide Input Voltage Range (4V–28V)**  
- **Adjustable Output Voltage** (set via external resistors)  
- **Internal 1A N-Channel MOSFET Switch**  
- **Low Quiescent Current (1.5mA typical)**  
- **Overcurrent and Thermal Protection**  
- **Soft-Start Function**  
- **Small Footprint (SOIC-8 Package)**  

This information is based solely on the manufacturer's datasheet. For detailed application notes, refer to **MAXIM's official documentation**.

Application Scenarios & Design Considerations

125mA, Frequency-Selectable, Switched-Capacitor Voltage Converters

Alternative Part Number

  • LM2662M/NOPB --: Switched-capacitor voltage converter in an SOIC-8 package with comparable inverting/doubling function and current capability, a well-known drop-in style alternative.
  • ICL7660ACBAZA --: Classic charge-pump voltage converter offering inverting and doubling modes, widely used as a functional substitute in similar SOIC-8 applications.
  • LTC1046CS8#PBF --: Switched-capacitor converter with similar voltage inversion/doubling behavior and SOIC-8 footprint, suitable when supply and frequency specs are checked.
  • ICL7660ACPA --: Classic charge-pump voltage converter offering inverting and doubling modes, a common drop-in style alternative for MAX1680-type applications.
  • LTC1144CS8 --: Switched-capacitor voltage converter with inverting/doubling capability and comparable operating range, suitable as a functional substitute.

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