Overview
The LM2931AD-5.0R2 is a positive fixed output voltage regulator from onsemi, designed to provide stable and reliable voltage regulation in various applications. This device is part of the LM2931 series, which is renowned for its low dropout voltage, low bias current, and robust protection features. The LM2931AD-5.0R2 is specifically tailored for use in harsh environments, such as automotive systems, and is also suitable for battery-powered industrial and consumer equipment.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage | VO | 4.75 | 5.0 | 5.25 | V |
| Output Current | IO | - | - | 100 | mA |
| Input Voltage Continuous | VI | - | - | 40 | Vdc |
| Transient Input Voltage (t ≤ 100 ms) | VI(τ) | - | - | 60 | Vpk |
| Line Regulation | Regline | -2.0 | 10 | -2.0 | mV |
| Load Regulation (IO = 5.0 mA to 100 mA) | Regload | -14 | 50 | -14 | mV |
| Bias Current | IB | 0.4 | 1.0 | 0.4 | mA |
| Dropout Voltage (IO = 10 mA) | VI-VO | 0.015 | 0.2 | 0.015 | V |
| Dropout Voltage (IO = 100 mA) | VI-VO | 0.16 | 0.6 | 0.16 | V |
Key Features
- Low input-to-output voltage differential of less than 0.6 V at 100 mA
- Output current in excess of 100 mA
- Low bias current of 0.4 mA at 10 mA output
- 60 V load dump protection and -50 V reverse transient protection
- Internal current limiting and thermal shutdown
- Temporary power-up protection with mirror-image insertion
- Output inhibit pin for microprocessor-based systems (for 'C' suffix models)
- Economical 5-lead TO-220 package with optional leadforms; also available in surface mount SOP-8, D2PAK, and DPAK packages
- High accuracy (±2.5%) reference voltage available
- AEC-Q100 qualified and PPAP capable for automotive applications
- Pb-free packages available
Applications
- Battery-powered consumer products
- Hand-held instruments
- Camcorders and cameras
- Automotive systems requiring robust voltage regulation and protection
- Industrial and consumer equipment where extended battery life is desirable
Q & A
- What is the maximum output current of the LM2931AD-5.0R2?
The maximum output current is 100 mA.
- What is the typical dropout voltage at 10 mA output current?
The typical dropout voltage at 10 mA output current is 0.2 V.
- Does the LM2931AD-5.0R2 have built-in protection features?
- What are the available package options for the LM2931AD-5.0R2?
The device is available in TO-220, SOP-8, D2PAK, and DPAK packages.
- Is the LM2931AD-5.0R2 suitable for automotive applications?
- What is the purpose of the output inhibit pin on the 'C' suffix models?
The output inhibit pin is useful in microprocessor-based systems to control the output voltage.
- Can the LM2931AD-5.0R2 be used in battery-powered devices?
- What is the maximum input voltage the LM2931AD-5.0R2 can handle continuously?
The maximum continuous input voltage is 40 Vdc.
- Does the LM2931AD-5.0R2 have Pb-free package options?
- How does the LM2931AD-5.0R2 protect against transient conditions?
