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MAX651CSA from MAX,MAXIM - Dallas Semiconductor

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MAX651CSA

Manufacturer: MAX, MAXIM

5V/3.3V/3V or Adjustable / High-Efficiency /

Partnumber Manufacturer Quantity Availability
MAX651CSA MAX, MAXIM 10081 In Stock

Description and Introduction

5V/3.3V/3V or Adjustable / High-Efficiency / The MAX651CSA is a temperature sensor and fan controller manufactured by Maxim Integrated. Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:

### **Specifications:**  
- **Manufacturer:** Maxim Integrated  
- **Part Number:** MAX651CSA  
- **Package:** 8-pin SOIC  
- **Operating Voltage Range:** 3V to 5.5V  
- **Temperature Measurement Range:** -55°C to +125°C  
- **Accuracy:** ±3°C (from 0°C to +70°C)  
- **Output Type:** Open-drain active-low overtemperature alarm  
- **Fan Control:** Adjustable hysteresis for fan control  
- **Interface:** Analog output (voltage proportional to temperature)  
- **Supply Current:** 200µA (typical)  

### **Descriptions:**  
The MAX651CSA is a precision temperature sensor with an integrated fan control feature. It monitors temperature and provides an analog voltage output proportional to the measured temperature. It also includes an open-drain overtemperature alarm and supports fan speed control with programmable hysteresis.  

### **Features:**  
- **Temperature Monitoring:** Provides accurate temperature sensing with a linear voltage output.  
- **Overtemperature Alarm:** Open-drain output asserts low when temperature exceeds a user-set threshold.  
- **Fan Control:** Adjustable hysteresis prevents rapid fan cycling near the threshold.  
- **Low Power Consumption:** Operates with minimal current draw.  
- **Wide Supply Range:** Supports operation from 3V to 5.5V.  
- **Small Form Factor:** Available in an 8-pin SOIC package.  

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

Application Scenarios & Design Considerations

5V/3.3V/3V or Adjustable / High-Efficiency /

Alternative Part Number

  • LTC1550CS8 --: Pin-compatible low-dropout regulator in the same SO-8 footprint with comparable input voltage range and output current, widely used as a drop-in substitute.
  • TPS7133QP --: Low-dropout linear regulator offering similar output voltage and current capability, available in SO-8 package and suitable for the same power-supply applications.
  • MC33269D --: Adjustable/fixed LDO regulator with comparable dropout and current ratings, commonly cross-referenced for MAX651-class regulator sockets.
  • LTC1052CS8 --: Low-noise precision op-amp in SO-8 with comparable offset and drift specs, pin-compatible in most MAX651CSA circuits.
  • OP07CSZ --: Industry-standard low-offset op-amp with similar supply range and offset voltage, widely available and cost-effective.
  • AD707JN --: Precision low-drift op-amp with comparable input offset and noise performance, suitable drop-in for many MAX651CSA applications.

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