Overview
The STM1061N27WX6F is a low power voltage detector produced by STMicroelectronics. This device is designed to monitor battery, power-supply, and regulated system voltages. It utilizes a precision voltage reference and comparator to compare the VCC input with a specified voltage threshold condition. When the VCC input falls below the specified trip point threshold, the output (OUT) is forced low and remains asserted until the VCC input rises above the threshold plus hysteresis. The STM1061N27WX6F is guaranteed to output the correct logic state even when VCC is as low as 0.7V and is immune to fast transients on VCC. This device is ideal for portable applications due to its low power consumption and is available in compact SOT23-3 and SOT323-3 (SC70-3) packages.
Key Specifications
| Parameter | Description | Value | Unit |
|---|---|---|---|
| VCC Operating Voltage | Supply voltage range | 0.7 to 6.0 | V |
| ICC Supply Current | Typical supply current at VCC = 3.0V | 0.9 | µA |
| VTH– Detect Voltage | Voltage threshold accuracy | 2.7V (for STM1061N27WX6F) | V |
| Voltage Threshold Accuracy | Accuracy of the voltage threshold | ±2% | |
| Operating Temperature | Temperature range for operation | –40 to 85 | °C |
| Output Type | Type of output | Open Drain Active-Low | |
| Package | Available packages | SOT23-3, SOT323-3 (SC70-3) |
Key Features
- Factory-trimmed Voltage Thresholds: Available in 0.1V increments from 1.6 to 5.5V.
- Power Supply Transient Immunity: Designed to ignore fast transients on VCC.
- Guaranteed OUT Assertion: Ensures correct logic state down to VCC = 0.7V.
- Low Supply Current: Typical supply current of 0.9µA at VCC = 3.0V.
- Operating Temperature Range: –40 to 85°C.
- Open Drain Output: Allows for wired OR connections and connection to different power supply voltages.
Applications
- Communications Equipment: Suitable for monitoring power supplies in communication devices.
- Computers and Peripherals: Ideal for power monitoring in computer systems and peripherals.
- Industrial Applications: Used in various industrial settings where precise voltage monitoring is required.
- Portable Applications: Perfect for battery-powered devices due to its low power consumption.
Q & A
- What is the primary function of the STM1061N27WX6F?
The primary function is to monitor battery, power-supply, and regulated system voltages and assert an output signal when the voltage falls below a specified threshold.
- What is the operating voltage range of the STM1061N27WX6F?
The operating voltage range is from 0.7V to 6.0V.
- What is the typical supply current of the STM1061N27WX6F at VCC = 3.0V?
The typical supply current is 0.9µA.
- What is the accuracy of the voltage threshold for the STM1061N27WX6F?
The voltage threshold accuracy is ±2%.
- What type of output does the STM1061N27WX6F have?
The output is an open drain active-low output.
- What are the available packages for the STM1061N27WX6F?
The device is available in SOT23-3 and SOT323-3 (SC70-3) packages.
- How does the STM1061N27WX6F handle fast transients on VCC?
The device is designed to ignore fast transients on VCC, providing power supply transient immunity.
- What is the guaranteed minimum VCC for correct logic state output?
The device guarantees the correct logic state down to VCC = 0.7V.
- What is the operating temperature range of the STM1061N27WX6F?
The operating temperature range is from –40°C to 85°C.
- What are some common applications of the STM1061N27WX6F?
Common applications include communications equipment, computers and peripherals, industrial applications, and portable devices.
