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MAX664ESA from MAX,MAXIM - Dallas Semiconductor

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MAX664ESA

Manufacturer: MAX, MAXIM

Dual Mode⑩ 5V/Programmable Vicropower Voltage Regulators
Partnumber Manufacturer Quantity Availability
MAX664ESA MAX, MAXIM 534 In Stock

Description and Introduction

Dual Mode⑩ 5V/Programmable Vicropower Voltage Regulators The MAX664ESA is a precision, dual-output temperature sensor and fan controller manufactured by Maxim Integrated.  

### **Specifications:**  
- **Supply Voltage Range:** 3V to 5.5V  
- **Temperature Measurement Range:** -55°C to +125°C  
- **Accuracy:** ±1°C (from +60°C to +100°C)  
- **Outputs:**  
  - Analog voltage proportional to temperature (10mV/°C)  
  - Digital fan control output (PWM or linear)  
- **Package:** 8-pin SOIC  
- **Operating Current:** 200µA (typical)  
- **Fan Control Modes:** PWM or linear speed control  
- **Interface:** I²C-compatible (for configuration)  

### **Descriptions and Features:**  
- Monitors the temperature of a remote diode-connected transistor (e.g., CPU diode) and its own internal temperature.  
- Provides two independent temperature readings (local and remote).  
- Includes programmable fan speed control for thermal management.  
- Low power consumption, suitable for battery-powered applications.  
- Can be configured via I²C for custom fan control thresholds.  
- Over-temperature alarm output for system protection.  

This device is commonly used in PCs, servers, and embedded systems for thermal monitoring and cooling control.

Application Scenarios & Design Considerations

Dual Mode⑩ 5V/Programmable Vicropower Voltage Regulators

Alternative Part Number

  • LM393M --: Dual comparator in SOIC-8 with similar supply range and open-collector output, widely available and pin-compatible in most designs.
  • LM2903M --: Automotive-grade dual comparator in SOIC-8, functionally similar to MAX664 with wider temperature range and good availability.
  • NE521D --: High-speed dual comparator in SOIC-8 offering comparable response characteristics for replacement in less critical timing applications.
  • LT1017CS8 --: Low-power dual comparator in SOIC-8 offering comparable input offset and supply voltage, suitable as a functional replacement.
  • TLV3201AIDR --: Low-power comparator with rail-to-rail inputs and open-drain output, usable in similar sensing/comparator circuits when pinout is adapted.

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