Overview
The LM2931AD2T-5R4G is a part of the LM2931 series of positive fixed and adjustable output voltage regulators produced by onsemi. These regulators are designed to maintain proper regulation with an extremely low input-to-output voltage differential, making them ideal for battery-powered industrial and consumer equipment. The LM2931AD2T-5R4G is specifically a fixed output voltage regulator with a 5V output, packaged in a D2PAK (D2T SUFFIX) case.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Input Voltage Continuous | VI | 40 | Vdc |
| Transient Input Voltage (≤ 100 ms) | VI(τ) | 60 | Vpk |
| Transient Reverse Polarity Input Voltage | −VI(τ) | −50 | Vpk |
| Output Voltage | VO | 5.0 | V |
| Output Current | IO | 100 mA | mA |
| Bias Current | IB | 0.4 mA @ 10 mA output | mA |
| Line Regulation | Regline | 2.0 mV | mV |
| Thermal Resistance, Junction-to-Ambient | RθJA | 178 | °C/W |
| Thermal Resistance, Junction-to-Case | RθJC | 83 | °C/W |
| Package Type | D2PAK (D2T SUFFIX) |
Key Features
- Input-to-Output Voltage Differential of < 0.6 V @ 100 mA
- Output Current in Excess of 100 mA
- Low Bias Current
- 60 V Load Dump Protection
- −50 V Reverse Transient Protection
- Internal Current Limiting with Thermal Shutdown
- Temporary Mirror-Image Protection
- Ideally Suited for Battery Powered Equipment
- Economical 5-Lead TO-220 Package with Two Optional Leadforms
- Available in Surface Mount SOP-8, D2PAK, and DPAK Packages
- High Accuracy (±2.5%) Reference Available
- NCV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements; AEC-Q100 Qualified and PPAP Capable
- Pb-Free Packages are Available
Applications
- Battery Powered Consumer Products
- Hand-held Instruments
- Camcorders and Cameras
Q & A
- What is the maximum input voltage for the LM2931AD2T-5R4G?
The maximum continuous input voltage is 40 Vdc, and the transient input voltage can go up to 60 Vpk for ≤ 100 ms.
- What is the output voltage of the LM2931AD2T-5R4G?
The output voltage is fixed at 5.0 V.
- What is the maximum output current of the LM2931AD2T-5R4G?
The maximum output current is in excess of 100 mA.
- What kind of protection features does the LM2931AD2T-5R4G have?
The device features 60 V load dump protection, −50 V reverse transient protection, internal current limiting, and thermal shutdown.
- What package type is the LM2931AD2T-5R4G available in?
The LM2931AD2T-5R4G is packaged in a D2PAK (D2T SUFFIX) case.
- Is the LM2931AD2T-5R4G suitable for automotive applications?
Yes, the NCV prefix versions are AEC-Q100 qualified and PPAP capable, making them suitable for automotive and other demanding applications.
- What is the thermal resistance of the LM2931AD2T-5R4G?
The thermal resistance, junction-to-ambient (RθJA), is 178 °C/W, and junction-to-case (RθJC) is 83 °C/W.
- Can the LM2931AD2T-5R4G be used in battery-powered devices?
Yes, it is ideally suited for battery-powered equipment due to its low dropout voltage and low bias current.
- What is the line regulation of the LM2931AD2T-5R4G?
The line regulation is 2.0 mV from Vin = 9.0 V to 16 V.
- Is the LM2931AD2T-5R4G lead-free?
Yes, Pb-free packages are available.
