Overview
The LM26CIM5-SHA/NOPB is a precision thermostat manufactured by Texas Instruments. It is a factory-preset thermostat that integrates an internal temperature sensor, reference voltage, DAC, and comparator. This device is designed to provide accurate temperature monitoring and control, with a fixed trip point of 75°C for the LM26CIM5-SHA/NOPB model. It is available in a 5-lead SOT-23 package, making it suitable for various applications requiring compact and reliable temperature management.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Power Supply Voltage (V+) | 2.7 | 5.5 | V | |
| Power Supply Current | 16 | 40 | μA | |
| Hysteresis Temperature | 2°C or 10°C | |||
| Operating Temperature Range | -55 | 125 | °C | |
| Storage Temperature Range | -65 | 150 | °C | |
| Input Voltage | 6 | V | ||
| Input Current at any pin | 5 | mA | ||
| Package Dissipation at TA = 25°C | 500 | mW | ||
| Junction-to-ambient thermal resistance (θJA) | 250 | °C/W |
Key Features
- No external components required for operation.
- Open-drain or push-pull digital output, configurable during manufacturing.
- Internal temperature sensor with VTEMP output, allowing for temperature monitoring.
- Internal voltage reference and DAC for trip-point setting.
- Selectable hysteresis (2°C or 10°C) controlled by the HYST pin.
- Excellent power supply noise rejection.
- UL recognized component.
- VTEMP output allows for after-assembly system testing.
Applications
- Microprocessor thermal management.
- Appliances.
- Portable battery-powered systems.
- Fan control.
- Industrial process control.
- HVAC systems.
- Remote temperature sensing.
- Electronic system protection.
Q & A
- What is the primary function of the LM26CIM5-SHA/NOPB? The LM26CIM5-SHA/NOPB is a factory-preset thermostat that monitors temperature and provides a digital output based on the set trip point.
- What is the trip point for the LM26CIM5-SHA/NOPB model? The trip point for the LM26CIM5-SHA/NOPB model is 75°C.
- What are the available output configurations for the LM26? The output can be configured as either open-drain or push-pull, and it can indicate overtemperature or undertemperature shutdown events.
- How is the hysteresis controlled in the LM26? The hysteresis is controlled by the state of the HYST pin, which can set the hysteresis to either 2°C or 10°C.
- What is the purpose of the VTEMP output? The VTEMP output provides a voltage proportional to the temperature, allowing for temperature monitoring and after-assembly system testing.
- What is the operating temperature range of the LM26CIM5-SHA/NOPB? The operating temperature range is from -55°C to 125°C.
- What is the typical power supply current for the LM26? The typical power supply current is 16 μA.
- Is the LM26CIM5-SHA/NOPB UL recognized? Yes, the LM26CIM5-SHA/NOPB is a UL recognized component.
- What package type is the LM26CIM5-SHA/NOPB available in? The LM26CIM5-SHA/NOPB is available in a 5-lead SOT-23 package.
- What are some common applications of the LM26CIM5-SHA/NOPB? Common applications include microprocessor thermal management, appliances, portable battery-powered systems, fan control, industrial process control, HVAC systems, remote temperature sensing, and electronic system protection.
