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MAX6303CUA from MAX,MAXIM - Dallas Semiconductor

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MAX6303CUA

Manufacturer: MAX, MAXIM

+5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog

Partnumber Manufacturer Quantity Availability
MAX6303CUA MAX, MAXIM 205 In Stock

Description and Introduction

+5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog The MAX6303CUA is a microprocessor (μP) supervisory circuit manufactured by Maxim Integrated. Below are the factual details from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Type:** Microprocessor (μP) Supervisory Circuit  
- **Package:** 8-pin μMAX  
- **Operating Voltage Range:** 1.2V to 5.5V  
- **Reset Threshold Options:** Adjustable or fixed (factory-set)  
- **Reset Timeout Period:** Adjustable or fixed (typically 140ms)  
- **Watchdog Timer:** Yes (programmable timeout)  
- **Manual Reset Input:** Yes  
- **Low Quiescent Current:** Typically 8μA  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**  
The MAX6303CUA monitors system voltage and provides a reset signal to the microprocessor when the supply voltage falls below a preset threshold. It includes a watchdog timer to detect software lockups and a manual reset input for user-initiated resets.  

### **Features:**  
- **Voltage Monitoring:** Ensures reliable system operation by resetting the μP during power-up, power-down, and brownout conditions.  
- **Adjustable Reset Threshold:** Allows customization for different supply voltages.  
- **Watchdog Timer:** Prevents system lockup by resetting the μP if software fails to toggle the watchdog input.  
- **Low Power Consumption:** Ideal for battery-powered applications.  
- **Manual Reset Capability:** Provides a push-button reset option.  
- **Small Form Factor:** 8-pin μMAX package saves board space.  

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

Application Scenarios & Design Considerations

+5V, Low-Power uP Supervisory Circuits with Adjustable Reset/Watchdog

Alternative Part Number

  • LTC2950-1 --: Push-button on/off controller with similar supervisory function, widely used as a MAX6303 alternative.
  • TPS3421 --: Push-button reset controller offering comparable reset timing and manual reset functionality.
  • ADM6320 --: Supervisory circuit with manual reset input, suitable replacement for reset/timing control applications.
  • LTC3525ESC6-3.3 --: Pin-compatible boost converter in a similar SC70 package with comparable input voltage range and output current, suitable as a functional substitute.
  • TPS61220DCKR --: Low-input boost converter with similar topology and package size, offering comparable efficiency and output capability for the same application.
  • NCP1402SN33T1G --: Boost converter with similar input/output voltage ratings and small package, providing a cost-effective alternative for low-power step-up designs.

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