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MAX640ESA from MAXIM,MAXIM - Dallas Semiconductor

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MAX640ESA

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX640ESA MAXIM 41 In Stock

Description and Introduction

5V/3.3V/3V/Adjustable, High-Efficiency, Low IQ, Step-Down DC-DC Converters The MAX640ESA 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  
- **Part Number:** MAX640ESA  
- **Package:** 8-SOIC (150mil)  
- **Type:** Voltage Monitor / Supervisor  
- **Supply Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Voltage Options:** Factory-set (e.g., 4.63V, 4.38V, 3.08V, etc.)  
- **Reset Timeout Period:** Adjustable or fixed (typically 200ms)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Quiescent Current:** Low (typically 5μA)  

### **Descriptions:**  
The MAX640ESA is a precision voltage monitor designed to ensure proper system operation by monitoring the power supply voltage. It asserts a reset signal when the voltage drops below a preset threshold, preventing erratic behavior in microprocessors or digital systems. It is commonly used in battery-powered and embedded applications.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **Precision Voltage Monitoring:** Ensures reliable reset operation.  
- **Manual Reset Input:** Allows for external system reset control.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  
- **Hysteresis:** Prevents false triggering due to noise.  

This information is based strictly 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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