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MAX636ACSA

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX636ACSA MAXIM 8180 In Stock

Description and Introduction

Preset -12V output or adjuistable output with 2 resistors, CMOS switching regulator. Output accuracy 5%. The MAX636ACSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX636ACSA  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Type:** Voltage Monitor/Supervisory Circuit  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Voltage Options:** Factory-set (e.g., 4.63V, 4.38V, 3.08V, 2.93V, etc.)  
- **Reset Timeout Period:** Adjustable (typically 200ms)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Typically 5μA  
- **Output Type:** Active-low reset (open-drain or push-pull, depending on variant)  

### **Descriptions:**  
The MAX636ACSA is a low-power microprocessor supervisory circuit designed to monitor system voltage levels and provide a reset signal to the μP during power-up, power-down, or brownout conditions. It ensures reliable system operation by holding the μP in reset until the supply voltage stabilizes.  

### **Features:**  
- **Precision Voltage Monitoring:** Ensures accurate reset triggering at specified thresholds.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Adjustable Reset Timeout:** Configurable via an external capacitor.  
- **Manual Reset Input:** Allows external pushbutton reset control.  
- **Wide Supply Range:** Operates from 1.2V to 5.5V.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  
- **Industrial Temperature Range:** Suitable for harsh environments (-40°C to +85°C).  

This information is strictly based 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

  • LTC1144CS8 --: Pin-compatible switched-capacitor voltage converter in an 8-pin SOIC package with comparable inverting/regulating function, from a different series and manufacturer.
  • ICL7660SCPA --: Classic switched-capacitor voltage inverter offering similar negative-supply conversion, widely available and a well-known cross-reference for MAX636-type converters.
  • TC7660EOA --: Switched-capacitor voltage converter in SOIC with similar inverting capability, different naming and series, suitable as a functional substitute.
  • LTC1235CSW --: Pin-compatible supervisory circuit with similar reset and watchdog functions, widely used as a MAX636 replacement.
  • ADM8691ARW --: Comparable microprocessor supervisory IC offering reset, watchdog, and battery backup in the same application class.
  • DS1232LPS --: Similar supervisory function with reset and watchdog timing, suitable for systems originally using the MAX636.

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