Overview
The LM4120AIM5-3.0 from Texas Instruments is a precision low-power, low dropout bandgap voltage reference. This device is designed to provide a stable voltage output with high accuracy and low power consumption. It operates with input voltages ranging from 2 V to 12 V and consumes a typical supply current of 160 µA. The LM4120AIM5-3.0 is particularly suited for battery-powered and portable applications due to its low dropout voltage, low supply current, and power-down capability.
Key Specifications
| Parameter | Description |
|---|---|
| Package | SOT-23-5 |
| Output Voltage Options | 1.8, 2.048, 2.5, 3, 3.3, 4.096, and 5 V |
| Output Voltage Accuracy | ±0.2% (Grade A), ±0.5% (Standard) |
| Temperature Coefficient | 50 ppm/°C |
| Dropout Voltage | 120 mV Typical at 1 mA |
| Output Current | ±5 mA Source and Sink Capability |
| Supply Current | 160 µA Typical |
| Operating Temperature Range | −40°C to 85°C (Industrial), −40°C to 125°C (Extended) |
| Enable Pin | Yes |
Key Features
- Small SOT23-5 Package
- Low Dropout Voltage: 120 mV Typical at 1 mA
- High Output Voltage Accuracy: 0.2% (Grade A), 0.5% (Standard)
- Source and Sink Current Output: ±5 mA
- Low Supply Current: 160 µA Typical
- Low Temperature Coefficient: 50 ppm/°C
- Enable Pin
- Fixed Output Voltages: 1.8, 2.048, 2.5, 3, 3.3, 4.096, and 5 V
Applications
- Portable, Battery-Powered Equipment
- Instrumentation and Process Control
- Automotive and Industrial
- Test Equipment
- Data Acquisition Systems
- Precision Regulators
- Battery Chargers
- Base Stations
- Communications
- Medical Equipment
Q & A
- What is the typical dropout voltage of the LM4120AIM5-3.0? The typical dropout voltage is 120 mV at 1 mA.
- What are the output voltage options for the LM4120AIM5-3.0? The output voltage options are 1.8, 2.048, 2.5, 3, 3.3, 4.096, and 5 V.
- What is the temperature coefficient of the LM4120AIM5-3.0? The temperature coefficient is 50 ppm/°C.
- What is the maximum output current of the LM4120AIM5-3.0? The maximum output current is ±5 mA.
- What is the typical supply current of the LM4120AIM5-3.0? The typical supply current is 160 µA.
- Does the LM4120AIM5-3.0 have an enable pin? Yes, it does have an enable pin.
- What is the operating temperature range of the LM4120AIM5-3.0? The operating temperature range is −40°C to 85°C (Industrial), and −40°C to 125°C (Extended).
- What package type is the LM4120AIM5-3.0 available in? It is available in a SOT-23-5 package.
- What are some common applications for the LM4120AIM5-3.0? Common applications include portable, battery-powered equipment, instrumentation, automotive and industrial systems, test equipment, and medical equipment.
- How does the power-down mode affect the device current? In power-down mode, the device current drops to less than 2 µA.
