Overview
The LM4120AIM5-3.3/NOPB is a precision low-power, low dropout bandgap voltage reference produced by Texas Instruments. This device is designed to provide high output voltage accuracy and low temperature drift, making it suitable for a variety of applications, particularly in battery-powered and portable devices. The LM4120 operates with input voltages ranging from 2 V to 12 V and consumes a typical supply current of 160 µA. It also features a power-down mode where the device current drops to less than 2 µA, enhancing its energy efficiency.
Key Specifications
| Parameter | Value |
|---|---|
| Package | SOT-23 (DBV), 5 pins |
| Operating Temperature Range | -40°C to 85°C |
| Output Voltage | 3.3 V (fixed) |
| 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 |
| Supply Current | 160 µA typical |
| Power-Down Current | < 2 µA |
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 for power-down mode
- Fixed output voltages: 1.8, 2.048, 2.5, 3, 3.3, 4.096, and 5 V
- Industrial temperature range: -40°C to 85°C
Applications
The LM4120AIM5-3.3/NOPB is particularly suited for battery-powered and portable applications due to its low dropout voltage, low supply current, and power-down capability. It is also ideal for use in precision voltage reference requirements in various electronic systems, including but not limited to, industrial control systems, medical devices, and consumer electronics.
Q & A
- What is the output voltage of the LM4120AIM5-3.3/NOPB? The output voltage is 3.3 V.
- What is the typical supply current of the LM4120AIM5-3.3/NOPB? The typical supply current is 160 µA.
- What is the temperature coefficient of the LM4120AIM5-3.3/NOPB? The temperature coefficient is 50 ppm/°C.
- What is the dropout voltage of the LM4120AIM5-3.3/NOPB? The dropout voltage is 120 mV typical at 1 mA.
- Does the LM4120AIM5-3.3/NOPB have an enable pin? Yes, it has an enable pin for power-down mode.
- What is the operating temperature range of the LM4120AIM5-3.3/NOPB? The operating temperature range is -40°C to 85°C.
- What is the package type of the LM4120AIM5-3.3/NOPB? The package type is SOT-23 (DBV) with 5 pins.
- Can the LM4120AIM5-3.3/NOPB source and sink current? Yes, it can source and sink up to ±5 mA.
- Is the LM4120AIM5-3.3/NOPB RoHS compliant? Yes, it is RoHS compliant.
- What are the available fixed output voltages for the LM4120 series? The available fixed output voltages are 1.8, 2.048, 2.5, 3, 3.3, 4.096, and 5 V.
