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MAX636AESA from MAX,MAXIM - Dallas Semiconductor

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MAX636AESA

Manufacturer: MAX, MAXIM

Preset -12V output or adjuistable output with 2 resistors, CMOS switching regulator. Output accuracy 5%.

Partnumber Manufacturer Quantity Availability
MAX636AESA MAX, MAXIM 177 In Stock

Description and Introduction

Preset -12V output or adjuistable output with 2 resistors, CMOS switching regulator. Output accuracy 5%. The MAX636AESA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (Analog Devices)  
- **Part Number:** MAX636AESA  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Factory-set (e.g., 4.65V, 4.40V, 3.08V, etc., depending on suffix)  
- **Reset Timeout Period:** Adjustable via external capacitor (default: 200ms)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Typically 5μA  

### **Descriptions:**  
The MAX636AESA is a low-power μP voltage monitor designed to ensure proper system operation during power-up, power-down, and brownout conditions. It asserts a reset signal when the supply voltage drops below a preset threshold, keeping the microprocessor in a known state until the voltage stabilizes.  

### **Features:**  
- **Precision Voltage Monitoring:** Monitors VCC and asserts reset when voltage falls below threshold.  
- **Low Power Consumption:** Minimal current draw for battery-powered applications.  
- **Adjustable Reset Timeout:** External capacitor allows customization of reset pulse width.  
- **Manual Reset Input:** Supports external pushbutton reset control.  
- **Guaranteed Reset Output Valid to VCC = 1V:** Ensures reliable operation even at low voltages.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  

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

Application Scenarios & Design Considerations

Preset -12V output or adjuistable output with 2 resistors, CMOS switching regulator. Output accuracy 5%.

Alternative Part Number

  • LTC1235CSW --: Pin-compatible supervisory/monitoring IC with similar function and supply range, widely available as a MAX636 alternative.
  • ADM8691ARW --: Comparable microprocessor supervisory circuit offering reset and watchdog functions, suitable drop-in replacement in most designs.
  • DS1232LPS --: Low-power supervisory IC with reset and watchdog features, functionally similar and commonly used as a substitute.
  • TL7705ACP --: Classic 5V supply supervisor with reset output, functionally equivalent to the MAX636 family and easy to source.
  • MC34064D-5 --: Low-cost 5V undervoltage sensing/reset IC in SOIC-8, suitable replacement for basic reset-supervisor functions.
  • ADM706ARZ --: Pin-compatible supervisory IC offering reset output and watchdog timer, commonly substituted for MAX636-series supervisors.

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