Overview
The Texas Instruments LMS33460MG/NOPB is a highly specialized under-voltage detector designed to monitor power supplies with precision. This IC is particularly suited for battery-powered systems where low power consumption and compact size are crucial. It features a 3.0V threshold voltage and uses a precision on-chip voltage reference along with a comparator to accurately measure the input voltage. The device is available in the ultra-miniature SC-70-5 package, making it ideal for space-constrained applications such as desktop, laptop, and notebook computers, as well as test and measurement instruments and portable battery-powered equipment.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | LMS33460MG/NOPB |
| Package Type | SC-70-5 |
| Mounting Type | Surface Mount |
| Pin Count | 5 |
| Dimensions | 2 x 1.25 x 0.9mm |
| Minimum Operating Supply Voltage | 0.8 V |
| Maximum Operating Supply Voltage | 7 V |
| Minimum Operating Temperature | -40°C |
| Maximum Operating Temperature | +85°C |
| Threshold Voltage | 3.0 V |
| Output Type | Open Drain or Open Collector |
| Reset Type | Active Low |
| Quiescent Current | 1 µA (typical) |
Key Features
- Ultra-low power consumption (1 µA typical).
- 3.0V detection threshold.
- Open drain or open collector output.
- Ultra-small SC70-5 package.
- Extended temperature range (-40°C to +85°C).
- Built-in hysteresis to prevent erratic operation due to noise.
Applications
- Low battery voltage detector.
- Power fail indicator.
- Processor reset generator.
- Battery backup control.
- Battery-operated equipment.
- Hand-held instruments.
- Desktop, laptop, and notebook computers.
- Test and measurement instruments.
- Multiple-output power supplies.
Q & A
- What is the primary function of the LMS33460MG/NOPB? The primary function is to detect under-voltage conditions, specifically at a 3.0V threshold, and generate an active low output when the input voltage drops below this threshold.
- What package type is the LMS33460MG/NOPB available in? It is available in the SC-70-5 package.
- What is the operating temperature range of the LMS33460MG/NOPB? The operating temperature range is from -40°C to +85°C.
- What is the typical quiescent current of the LMS33460MG/NOPB? The typical quiescent current is 1 µA.
- What are some common applications of the LMS33460MG/NOPB? Common applications include low battery voltage detection, power fail indicators, processor reset generators, battery backup control, and battery-operated equipment.
- Does the LMS33460MG/NOPB have built-in hysteresis? Yes, it has built-in hysteresis to prevent erratic operation due to noise.
- What is the output type of the LMS33460MG/NOPB? The output type is open drain or open collector.
- What is the minimum operating supply voltage for the LMS33460MG/NOPB? The minimum operating supply voltage is 0.8 V.
- Is the LMS33460MG/NOPB RoHS compliant? Yes, it is RoHS compliant.
- What is the maximum operating supply voltage for the LMS33460MG/NOPB? The maximum operating supply voltage is 7 V.
