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MAX837EUS from MAXIM,MAXIM - Dallas Semiconductor

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MAX837EUS

Manufacturer: MAXIM, MAX

PLASTIC ENCAPSULATED DEVICES

Partnumber Manufacturer Quantity Availability
MAX837EUS MAXIM, MAX 2403 In Stock

Description and Introduction

PLASTIC ENCAPSULATED DEVICES The MAX837EUS is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor (μP) Supervisory Circuit  
- **Package:** SOT-143 (US)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Reset Timeout Period:** Adjustable or fixed (depending on variant)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Typically 5µA  

### **Descriptions:**  
The MAX837EUS monitors system voltage levels and provides a reset signal to the microprocessor when the 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:** Ultra-low quiescent current (5µA typical)  
- **Wide Voltage Range:** Operates from 1.2V to 5.5V  
- **Precision Monitoring:** ±1.5% reset threshold accuracy  
- **Manual Reset Input:** Allows external pushbutton reset control  
- **Small Form Factor:** Available in a compact SOT-143 package  
- **Power-Fail Comparator:** Optional feature in some variants for early warning of power loss  
- **Guaranteed Reset Output:** Valid down to VCC = 1V  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

PLASTIC ENCAPSULATED DEVICES

Alternative Part Number

  • TPS3705-33D --: Voltage supervisor with similar reset threshold and open-drain output, widely available and pin-compatible in function.
  • MCP131T-300E/TO --: Low-power voltage detector/supervisor offering comparable monitoring function and reset output in a small package.
  • APX803L-30SA-7 --: Compact voltage supervisor with similar threshold and reset behavior, suitable as a functional replacement.
  • ADM809LARTZ --: Low-cost microprocessor reset supervisor offering comparable reset threshold and active-low output behavior.
  • MC33064D-5 --: Undervoltage sensing circuit with similar reset/monitoring role, suitable as a functional substitute in many applications.

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