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MAX638ACSA from MAXIM,MAXIM - Dallas Semiconductor

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MAX638ACSA

Manufacturer: MAXIM

+5V/Adjustable CMOS Step-down Switching Regulator

Partnumber Manufacturer Quantity Availability
MAX638ACSA MAXIM 100 In Stock

Description and Introduction

+5V/Adjustable CMOS Step-down Switching Regulator The MAX638ACSA 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:** μP Supervisory Circuit  
- **Package:** 8-Pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Reset Timeout Period:** Adjustable (external capacitor) or fixed (200ms typical)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Quiescent Current:** 5μA (typical)  

### **Descriptions:**  
The MAX638ACSA monitors system voltage and generates a reset signal when the supply voltage falls below a preset threshold, ensuring proper μP initialization. It is designed for low-power applications and includes manual reset capability.  

### **Features:**  
- **Low Power Consumption:** Only 5μA quiescent current.  
- **Adjustable or Fixed Reset Timeout:** Configurable via an external capacitor.  
- **Manual Reset Input:** Allows for external reset triggering.  
- **Precision Voltage Monitoring:** ±1.5% threshold accuracy.  
- **Wide Supply Voltage Range:** Operates from 1.2V to 5.5V.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  

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

Application Scenarios & Design Considerations

+5V/Adjustable CMOS Step-down Switching Regulator
Partnumber Manufacturer Quantity Availability
MAX638ACSA MAX 2 In Stock

Description and Introduction

+5V/Adjustable CMOS Step-down Switching Regulator The MAX638ACSA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor (μP) Supervisory Circuit  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or factory-set (e.g., 5V, 3.3V, 3V, etc.)  
- **Reset Timeout Period:** Typically 200ms (fixed or adjustable)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Low (typically a few microamps)  

### **Descriptions:**
- The MAX638ACSA monitors system voltage and generates a reset signal to the μP when the supply voltage falls below a preset threshold.  
- It ensures proper system operation by holding the μP in reset during power-up, power-down, or brownout conditions.  
- The device is designed for reliability in battery-powered or critical voltage-monitoring applications.  

### **Features:**
- **Low Power Consumption:** Ideal for battery-operated systems.  
- **Manual Reset Input:** Allows external push-button reset control.  
- **Precision Voltage Monitoring:** Ensures accurate reset triggering.  
- **Adjustable or Fixed Threshold:** Supports multiple voltage levels.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  
- **Wide Operating Voltage Range:** Compatible with various power supplies.  

For exact reset threshold options and additional details, refer to the official datasheet from Maxim Integrated.

Application Scenarios & Design Considerations

+5V/Adjustable CMOS Step-down Switching Regulator

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