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MAX679EUA from MAX,MAXIM - Dallas Semiconductor

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MAX679EUA

Manufacturer: MAX, MAXIM, MAXIM

Regulated 3.3V Charge Pump

Partnumber Manufacturer Quantity Availability
MAX679EUA MAX, MAXIM, MAXIM 224 In Stock

Description and Introduction

Regulated 3.3V Charge Pump The MAX679EUA is a voltage detector manufactured by Maxim Integrated (now part of Analog Devices). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Voltage Detector / Supervisor  
- **Package:** 8-pin µMAX (UA)  
- **Operating Voltage Range:** 1.6V to 5.5V  
- **Threshold Accuracy:** ±1.5% (typical)  
- **Reset Timeout Period:** Adjustable (external capacitor) or fixed (internal delay)  
- **Output Type:** Active-low or active-high (depending on variant)  
- **Quiescent Current:** Low (typically a few µA)  

### **Descriptions:**  
- The MAX679EUA is a precision voltage monitor designed to supervise system voltages in microprocessors, DSPs, and other critical applications.  
- It provides a reset signal when the supply voltage falls below a preset threshold, ensuring proper system initialization.  
- Available in different threshold variants to support various voltage levels.  

### **Features:**  
- **Precision Monitoring:** Tight threshold accuracy (±1.5%) ensures reliable operation.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Adjustable Reset Delay:** Allows customization of the reset timeout period.  
- **Wide Operating Voltage:** Supports monitoring from 1.6V to 5.5V.  
- **Small Package:** 8-pin µMAX footprint for space-constrained designs.  

For exact threshold voltages and additional details, refer to the official datasheet from Maxim Integrated (Analog Devices).

Application Scenarios & Design Considerations

Regulated 3.3V Charge Pump

Alternative Part Number

  • LT1017CS8 --: Dual micropower comparator with similar supply current and open-drain output, pin-compatible in many designs and a well-known cross for MAX679.
  • TLV3702IDR --: Low-power dual comparator with rail-to-rail inputs and open-drain output, suitable functional replacement for MAX679 in battery-powered applications.
  • LM393DR --: Industry-standard dual comparator widely available and inexpensive; higher supply current than MAX679 but electrically compatible for most general-purpose comparator uses.
  • LTC1540CMS8 --: Micropower comparator with internal reference in MSOP-8, functionally similar to the MAX679 and pin-compatible in most designs.
  • TLV3012AIDBVR --: Low-power comparator with integrated 1.242V reference in SOT-23-6, suitable replacement when package change is acceptable.
  • MCP6541T-I/OT --: Low-power comparator with rail-to-rail input/output in SOT-23-5, good alternative for battery-powered comparator applications.

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