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MAX641ACSA from MAX,MAXIM - Dallas Semiconductor

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MAX641ACSA

Manufacturer: MAX, MAXIM, MAXIN

+5V fixed output, 10W CMOS step-up switching regulator. 5% output accuracy

Partnumber Manufacturer Quantity Availability
MAX641ACSA MAX, MAXIM, MAXIN 1431 In Stock

Description and Introduction

+5V fixed output, 10W CMOS step-up switching regulator. 5% output accuracy The **MAX641ACSA** is a voltage detector and reset circuit manufactured by **Maxim Integrated (now part of Analog Devices)**. Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated (now Analog Devices)  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Accuracy:** ±1.5% (typical)  
- **Reset Output Type:** Active-low (open-drain or push-pull, depending on variant)  
- **Reset Timeout Period:** Adjustable (external capacitor) or fixed (depending on variant)  
- **Quiescent Current:** Typically 5µA (low power consumption)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Description:**  
The **MAX641ACSA** is a precision voltage detector designed to monitor system voltage levels and generate a reset signal when the voltage drops below a preset threshold. It ensures proper system initialization and prevents erratic operation during power-up, power-down, or brownout conditions.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Precision Voltage Monitoring:** Accurate detection of undervoltage conditions.  
- **Adjustable or Fixed Reset Threshold:** Configurable for different applications.  
- **Manual Reset Input:** Allows external triggering of a reset.  
- **Small Form Factor:** 8-pin SOIC package for space-constrained designs.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V systems.  

This information is strictly factual and sourced from the manufacturer's documentation.

Application Scenarios & Design Considerations

+5V fixed output, 10W CMOS step-up switching regulator. 5% output accuracy

Alternative Part Number

  • LT1073CS8 --: Pin-compatible step-up switching regulator with similar boost converter function and adjustable output, widely used as a MAX641 substitute.
  • MC34063ACD --: General-purpose DC-DC converter IC that can be configured as a step-up regulator, low cost and readily available alternative.
  • LM2577S-ADJ --: Adjustable step-up switching regulator with comparable input/output range, suitable replacement when layout is adapted.
  • LTC1144CS8 --: Pin-compatible switched-capacitor voltage converter in an 8-pin SOIC package with comparable input voltage range and output current, making it a direct functional substitute.
  • ICL7660CSA --: Classic CMOS voltage converter in SOIC-8 offering similar charge-pump conversion and supply range, widely available and commonly used as a drop-in replacement.
  • TC7660COA --: SOIC-8 CMOS voltage converter with equivalent charge-pump topology and voltage ratings, suitable for the same boost/inverting supply applications.
  • TC7660EOA --: Charge-pump voltage converter in SO-8 with comparable input range and output current, suitable drop-in replacement for many designs.

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