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MAX683EUA from MAXIM,MAXIM - Dallas Semiconductor

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MAX683EUA

Manufacturer: MAXIM, MAX

3.3V-Input to Regulated 5V-Output Charge Pumps

Partnumber Manufacturer Quantity Availability
MAX683EUA MAXIM, MAX 223 In Stock

Description and Introduction

3.3V-Input to Regulated 5V-Output Charge Pumps The **MAX683EUA** is a microprocessor (μP) supervisory circuit manufactured by **Maxim Integrated** (now part of Analog Devices). Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Package:** 8-pin μMAX (UA)  
- **Type:** Microprocessor Supervisor  
- **Reset Threshold Voltage Options:** Adjustable or fixed (e.g., 2.63V, 3.08V, 4.38V, etc.)  
- **Reset Timeout Period:** 140ms (min)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Quiescent Current:** 7μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX683EUA monitors system voltage and provides a reset signal to the microprocessor when the supply voltage falls below a preset threshold. It ensures proper system initialization and prevents erratic operation during power-up, power-down, or brownout conditions.  

### **Features:**  
- **Low Power Consumption:** Only 7μA typical supply current.  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Adjustable or Fixed Threshold:** Supports multiple voltage monitoring levels.  
- **Guaranteed Reset Valid Down to VCC = 1V:** Ensures reliable reset assertion.  
- **Small Form Factor:** 8-pin μMAX package for space-constrained applications.  
- **No External Components Required:** Simplifies circuit design.  

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

Application Scenarios & Design Considerations

3.3V-Input to Regulated 5V-Output Charge Pumps

Alternative Part Number

  • LTC1682CS8 --: Low-dropout regulator in an 8-pin SOIC package with comparable input/output voltage range and current capability; a well-established alternative from a different series.
  • TPS7A4901DGNR --: Wide-input low-noise LDO regulator in an MSOP package offering similar regulation performance and current rating, suitable as a functional replacement.
  • LP2985AIM5-3.3 --: Popular low-dropout regulator with fixed output and low quiescent current; a common cross-reference for small-package Maxim LDO parts, though package and exact voltage should be verified.
  • TLV3201AIDBVR --: Low-power comparator with comparable response time and supply voltage, suitable replacement in SOT-23 with minor layout adjustment.
  • LM393DR --: Widely available dual comparator with similar electrical characteristics; requires checking output stage and supply limits before use.

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