Overview
The LM2931Z-5.0RAG, produced by onsemi, is a part of the LM2931 series of positive fixed and adjustable output voltage regulators. These regulators are designed to maintain proper regulation with an extremely low input-to-output voltage differential, making them ideal for applications requiring high efficiency and reliability. The LM2931 series is particularly suited for harsh environments, such as automotive systems, and is also beneficial for battery-powered industrial and consumer equipment where extending battery life is crucial.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage Continuous | VI | 40 | Vdc | ||
| Transient Input Voltage (t ≤ 100 ms) | VI(τ) | 60 | Vpk | ||
| Output Current | IO | 100 | mA | ||
| Output Voltage (Fixed Output, Vin = 14 V, IO = 10 mA) | VO | 4.75 | 5.0 | 5.25 | V |
| Line Regulation (Vin = 9.0 V to 16 V) | Regline | -2.0 | 10 | 10 | mV |
| Load Regulation (IO = 5.0 mA to 100 mA) | Regload | -14 | 50 | 50 | mV |
| Bias Current (Vin = 14 V, IO = 10 mA) | IB | -0.4 | 1.0 | 1.0 | mA |
| Dropout Voltage (IO = 10 mA) | VI-VO | 0.015 | 0.2 | 0.2 | V |
| Operating Ambient Temperature Range | TA | -40 | 125 | °C | |
| Storage Temperature Range | Tstg | -65 | 150 | °C |
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 with thermal shutdown.
- Temporary mirror-image protection.
- Output inhibit pin for adjustable output regulators.
- High accuracy (±2.5%) reference voltage available.
- AEC-Q100 qualified and PPAP capable for automotive applications.
- Pb-free packages available.
- Economical 5-lead TO-220 package with two optional leadforms, and available in surface mount SOP-8, D2PAK, and DPAK packages.
Applications
- Battery-powered consumer products.
- Hand-held instruments.
- Camcorders and cameras.
- Automotive systems requiring robust voltage regulation and protection.
- Industrial equipment where low dropout voltage and high reliability are essential.
Q & A
- What is the maximum input voltage for the LM2931Z-5.0RAG?
The maximum continuous input voltage is 40 Vdc, with transient input voltage up to 60 Vpk for t ≤ 100 ms.
- What is the output current capability of the LM2931Z-5.0RAG?
The device can supply output currents in excess of 100 mA.
- What is the bias current of the LM2931Z-5.0RAG at 10 mA output?
The bias current is 0.4 mA at 10 mA output.
- Does the LM2931Z-5.0RAG have load dump protection?
Yes, it has 60 V load dump protection and -50 V reverse transient protection.
- What are the thermal protection features of the LM2931Z-5.0RAG?
The device features internal current limiting with thermal shutdown.
- Can the LM2931Z-5.0RAG be used in automotive applications?
Yes, it is AEC-Q100 qualified and PPAP capable, making it suitable for automotive use.
- What are the available package options for the LM2931Z-5.0RAG?
The device is available in 5-lead TO-220, surface mount SOP-8, D2PAK, and DPAK packages.
- Does the LM2931Z-5.0RAG have an output inhibit feature?
Yes, the adjustable output regulators feature an output inhibit pin.
- What is the operating ambient temperature range for the LM2931Z-5.0RAG?
The operating ambient temperature range is -40°C to +125°C.
- Is the LM2931Z-5.0RAG Pb-free?
Yes, Pb-free packages are available.
