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MAX653CSA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX653CSA+

Manufacturer: MAXIM

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

Partnumber Manufacturer Quantity Availability
MAX653CSA+,MAX653CSA MAXIM 58 In Stock

Description and Introduction

5V/3.3V/3V Adjustable, High-Efficiency, Low-IQ, Step-Down DC-DC Converters The MAX653CSA+ is a microprocessor supervisory circuit manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features extracted from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Maxim Integrated  
- **Category:** Integrated Circuits (ICs)  
- **Type:** Supervisory Circuits  
- **Package:** 8-SOIC (0.154", 3.90mm Width)  
- **Operating Temperature:** 0°C ~ 70°C  
- **Voltage - Supply:** 1.2V ~ 5.5V  
- **Reset Threshold Voltage:** Adjustable or Fixed (depending on variant)  
- **Output Type:** Active-Low, Push-Pull  
- **Reset Timeout Period:** Typically 140ms (adjustable in some variants)  

### **Descriptions:**
- The MAX653CSA+ is a low-power microprocessor (μP) supervisory circuit designed to monitor system voltages and provide a reset signal to the processor in case of power failure or brownout conditions.  
- It ensures proper system initialization and prevents erratic operation during power-up, power-down, or unstable voltage conditions.  
- Available in fixed or adjustable threshold versions to suit different applications.  

### **Features:**
- **Low Quiescent Current:** Typically 5µA, making it suitable for battery-powered applications.  
- **Adjustable or Fixed Threshold:** Some variants allow user-adjustable reset thresholds via external resistors.  
- **Manual Reset Input:** Allows an external push-button to force a system reset.  
- **Power-Fail Comparator:** Provides early warning of impending power failure.  
- **Wide Operating Voltage Range:** Supports 1.2V to 5.5V, making it versatile for various logic levels.  
- **Guaranteed Reset Output Valid Down to VCC = 1V:** Ensures reliable operation even at very low voltages.  

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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