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MAX637BESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX637BESA

Manufacturer: MAXIM

Preset -15V output or adjuistable output with 2 resistors, CMOS switching regulator. Output accuracy 10%.

Partnumber Manufacturer Quantity Availability
MAX637BESA MAXIM 36 In Stock

Description and Introduction

Preset -15V output or adjuistable output with 2 resistors, CMOS switching regulator. Output accuracy 10%. The MAX637BESA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (over temperature)  
- **Reset Timeout Period:** Adjustable (1ms min, 300ms max) or fixed (200ms)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Low Supply Current:** 6μA (typical)  

### **Descriptions:**  
The MAX637BESA 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 data corruption during power-up, power-down, or brownout conditions.  

### **Features:**  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Adjustable or Fixed Reset Timeout:** Configurable via external capacitor.  
- **Low-Power Operation:** Ideal for battery-powered applications.  
- **Guaranteed Reset Output Valid Down to VCC = 1V.**  
- **No External Components Required** for fixed timeout versions.  

This device is commonly used in embedded systems, industrial controls, and portable electronics requiring reliable power monitoring.

Application Scenarios & Design Considerations

Preset -15V output or adjuistable output with 2 resistors, CMOS switching regulator. Output accuracy 10%.

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