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MAX6499ATA+ from MAXIM,MAXIM - Dallas Semiconductor

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MAX6499ATA+

Manufacturer: MAXIM

72V, Overvoltage-Protection Switches/Limiter Controllers with an External MOSFET

Partnumber Manufacturer Quantity Availability
MAX6499ATA+,MAX6499ATA MAXIM 55 In Stock

Description and Introduction

72V, Overvoltage-Protection Switches/Limiter Controllers with an External MOSFET The MAX6499ATA+ is a high-voltage protection IC manufactured by Maxim Integrated. Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Input Voltage Range:** 5.5V to 72V  
- **Overvoltage Threshold:** Adjustable (up to 72V)  
- **Undervoltage Lockout (UVLO):** Adjustable  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** 8-pin TDFN (3mm x 3mm)  
- **Output Current:** Up to 100mA (for external FET gate drive)  

### **Descriptions:**  
The MAX6499ATA+ is designed to protect sensitive electronic circuits from high-voltage transients, overvoltage, and undervoltage conditions. It monitors the input voltage and disconnects the load when the voltage exceeds or falls below preset thresholds.  

### **Features:**  
- **Adjustable Overvoltage and Undervoltage Protection**  
- **Fast Response Time:** <1µs (typical)  
- **Low Quiescent Current:** 30µA (typical)  
- **Reverse-Voltage Protection (with external FET)**  
- **Integrated Charge Pump for N-Channel FET Drive**  
- **Fault Indicator Output**  
- **Robust Protection Against Load Dump and Transients**  

This IC is commonly used in automotive, industrial, and telecom applications where voltage spikes and surges are a concern.

Application Scenarios & Design Considerations

72V, Overvoltage-Protection Switches/Limiter Controllers with an External MOSFET

Alternative Part Number

  • LTC4365CTS8#PBF --: Overvoltage/undervoltage protection controller in a small package, functionally similar to the MAX6499 windowed voltage monitor and a common drop-in choice for protection circuits.
  • TPS3700DDCR --: Windowed voltage supervisor with adjustable thresholds, offering comparable over/undervoltage monitoring in a compact SOT-23 package.
  • MIC833YM5-TR --: Low-power voltage supervisor with adjustable threshold and open-drain output, suitable as a functional substitute for supply monitoring applications.

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