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MAX640CSA+ from N/A

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MAX640CSA+

Manufacturer: N/A

5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC Converters

Partnumber Manufacturer Quantity Availability
MAX640CSA+ N/A 2500 In Stock

Description and Introduction

5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC Converters The MAX640CSA+ is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5%  
- **Reset Timeout Period:** Adjustable (external capacitor) or fixed (200ms min)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package:** 8-pin SOIC  
- **Manual Reset Input:** Yes (active-low)  
- **Low Quiescent Current:** 5μA (typical)  
- **Power-Fail Comparator:** No  

### **Descriptions:**  
The MAX640CSA+ monitors system voltage and generates a reset signal if the supply voltage drops below a preset threshold. It ensures proper μP initialization during power-up, power-down, or brownout conditions.  

### **Features:**  
- Precision voltage monitoring for 1.2V to 5.5V systems  
- Adjustable or fixed reset timeout  
- Low power consumption  
- Manual reset capability  
- Guaranteed reset output valid down to VCC = 1V  
- No external components required for fixed-delay operation  

This device is commonly used in embedded systems, industrial controls, and battery-powered applications.

Application Scenarios & Design Considerations

5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC Converters
Partnumber Manufacturer Quantity Availability
MAX640CSA+,MAX640CSA MAXIM 1080 In Stock

Description and Introduction

5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC Converters The MAX640CSA+ is a microprocessor (μP) supervisory circuit manufactured by **MAXIM** (now part of Analog Devices). Below are its key specifications, descriptions, and features based on factual information:

### **Specifications:**
- **Manufacturer:** MAXIM (Analog Devices)  
- **Part Number:** MAX640CSA+  
- **Package:** 8-Pin SOIC (Small Outline Integrated Circuit)  
- **Type:** Voltage Monitor / Supervisor  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5%  
- **Reset Timeout Period:** Adjustable (typically 200ms)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Quiescent Current:** 5μA (typical)  

### **Descriptions:**
The MAX640CSA+ is a low-power microprocessor voltage monitor designed to ensure proper system operation by monitoring the power supply voltage. It generates a reset signal if the voltage drops below a preset threshold, preventing erratic behavior in μP-based systems.  

### **Features:**  
- **Low Power Consumption:** Operates with minimal current draw (5μA typical).  
- **Precision Voltage Monitoring:** ±1.5% threshold accuracy for reliable operation.  
- **Manual Reset Input:** Allows external reset control via a pushbutton.  
- **Adjustable Reset Timeout:** Configurable delay for system stabilization.  
- **Wide Supply Range:** Supports voltages from 1.2V to 5.5V.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained applications.  

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

Application Scenarios & Design Considerations

5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC Converters

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