Overview
The LM4120IM5-5.0/NOPB is a precision micropower low dropout voltage reference IC manufactured by Texas Instruments. This product is part of the PMIC (Power Management Integrated Circuit) category, specifically designed for applications requiring stable and accurate voltage references. It is housed in a compact SOT-23-5 package, making it suitable for space-constrained designs. The LM4120IM5-5.0/NOPB is widely used in industrial, automotive, and consumer electronics due to its high accuracy, low power consumption, and robust performance.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Output Voltage | 5.0 | V | ±0.2% accuracy |
| Input Voltage Range | 2.0 to 12.0 | V | |
| Output Current | ±5 | mA | Source and sink capability |
| Supply Current | 160 | µA | Typical |
| Temperature Coefficient | 50 | ppm/°C | |
| Operating Temperature | -40 to 125 | °C | |
| Package | SOT-23-5 |
Key Features
- High Accuracy: Provides a precise 5.0 V output with ±0.2% tolerance, ensuring reliable performance in critical applications.
- Low Dropout Voltage: Operates with a low dropout voltage of 120 mV typical at 1 mA, making it suitable for low-power designs.
- Source and Sink Capability: Capable of sourcing and sinking up to 5 mA, offering flexibility in various circuit configurations.
- Low Power Consumption: Consumes only 160 µA of supply current, ideal for battery-powered devices.
- Compact Package: Available in a small SOT-23-5 package, enabling use in space-constrained applications.
Applications
The LM4120IM5-5.0/NOPB is widely used in applications requiring stable voltage references. Its high accuracy and low power consumption make it suitable for:
- Industrial Automation: Used in precision measurement and control systems.
- Automotive Electronics: Provides reliable voltage references for sensors and control modules.
- Consumer Electronics: Ideal for portable devices, ensuring stable operation of critical components.
- Medical Devices: Ensures accurate performance in diagnostic and monitoring equipment.
Q & A
1. What is the output voltage of the LM4120IM5-5.0/NOPB?
The output voltage is 5.0 V with a tolerance of ±0.2%.
2. What is the input voltage range for this IC?
The input voltage range is from 2.0 V to 12.0 V.
3. Can the LM4120IM5-5.0/NOPB source and sink current?
Yes, it can source and sink up to 5 mA.
4. What is the typical supply current of this IC?
The typical supply current is 160 µA.
5. What is the temperature coefficient of the LM4120IM5-5.0/NOPB?
The temperature coefficient is 50 ppm/°C.
6. What is the operating temperature range?
The operating temperature range is from -40°C to 125°C.
7. What package does the LM4120IM5-5.0/NOPB come in?
It is available in a SOT-23-5 package.
8. Is this IC suitable for battery-powered devices?
Yes, its low power consumption makes it ideal for battery-powered applications.
9. Can this IC be used in automotive applications?
Yes, it is suitable for automotive electronics due to its reliability and performance.
10. What is the dropout voltage of the LM4120IM5-5.0/NOPB?
The dropout voltage is 120 mV typical at 1 mA.
