Overview
The LM4041AELT-1.2 is a precision micropower shunt voltage reference produced by STMicroelectronics. This component is designed to provide a stable output voltage of 1.225 V with high accuracy and low power consumption. It is particularly useful in applications requiring a reliable voltage reference with minimal current draw.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Output Voltage | 1.225 V | V |
| Initial Accuracy @ 25 °C | ±0.1% | % |
| Operating Current @ 25 °C | 40 µA | µA |
| Maximum Operating Current | 12 mA | mA |
| Temperature Coefficient | 100 ppm/°C | ppm/°C |
| Operating Temperature Range | -40 to +85 °C (Industrial), -40 to +125 °C (Extended) | °C |
| Package Types | SOT23-3L, SOT323-5L | |
| Reverse Breakdown Voltage | 8 V | V |
| Power Dissipation | 500 mW (SOT23-3L), 536 mW (SOT323-5L) | mW |
Key Features
- Fixed 1.225 V typical output voltage with high precision (±0.1% @ 25 °C)
- Ultra-low operating current: 40 µA at 25 °C
- Stable operation with capacitive loads
- Industrial and Extended temperature range versions available
- Low temperature coefficient: 100 ppm/°C
- Available in SOT23-3L and SOT323-5L surface mount packages
Applications
- Computers
- Battery chargers
- Switch mode power supplies
- Battery-operated equipment
- Data acquisition systems
- Energy management systems
- Instrumentation
Q & A
- What is the typical output voltage of the LM4041AELT-1.2? The typical output voltage is 1.225 V.
- What is the initial accuracy of the LM4041AELT-1.2 at 25 °C? The initial accuracy is ±0.1% at 25 °C.
- What is the operating current of the LM4041AELT-1.2 at 25 °C? The operating current is 40 µA at 25 °C.
- What are the available package types for the LM4041AELT-1.2? The component is available in SOT23-3L and SOT323-5L packages.
- What is the temperature coefficient of the LM4041AELT-1.2? The temperature coefficient is 100 ppm/°C.
- What are the typical applications of the LM4041AELT-1.2? Typical applications include computers, battery chargers, switch mode power supplies, battery-operated equipment, data acquisition systems, energy management systems, and instrumentation.
- What is the maximum operating current of the LM4041AELT-1.2? The maximum operating current is 12 mA.
- What is the reverse breakdown voltage of the LM4041AELT-1.2? The reverse breakdown voltage is 8 V.
- How does the LM4041AELT-1.2 handle capacitive loads? The component is stable when used with capacitive loads.
- What are the storage and operating temperature ranges for the LM4041AELT-1.2? The storage temperature range is -65 to +150 °C, and the operating temperature range is -40 to +85 °C (Industrial) or -40 to +125 °C (Extended).
