Overview
The TDA3681J/N2S,112 is a multiple output voltage regulator integrated circuit produced by NXP USA Inc. This component is designed for use in automotive electronics, particularly in car radios and other vehicle systems that require multiple regulated voltage outputs and an ignition buffer. It features a combination of voltage regulators, a power switch, and an ignition buffer, making it a versatile solution for complex automotive electrical systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | -18 to +50 | V |
| Operating Temperature | -40 to +85 | °C |
| Junction Temperature | -40 to +150 | °C |
| Total Power Dissipation | 62 | W |
| Quiescent Current (Standby) | 0.45 to 0.65 | mA |
| Regulator 1 Output Voltage | 5 V / 300 mA | |
| Regulator 2 Output Voltage | 5 V / 100 mA | |
| Regulator 3 Output Voltage | 5 V / 1400 mA | |
| Regulator 4 Output Voltage | 14 V / 3 A | |
| Package Type | 17-SIP Formed Leads | |
| Mounting Type | Through Hole |
Key Features
- Extremely low noise behavior and good stability with very small output capacitors.
- Second supply pin for regulators 3 and 4 to reduce power dissipation.
- Three VP-state controlled regulators (regulators 1, 3, and 4) and a power switch.
- Regulator 2, reset, and ignition buffer operational during load dump and thermal shutdown.
- Combined control pin for switching regulators 1 and 3; separate control pins for switching regulator 4 and the power switch.
- Load dump protection up to -50 V for 50 ms.
- Low quiescent current in standby mode.
Applications
The TDA3681J/N2S,112 is primarily used in automotive electronics, such as car radios, infotainment systems, and other vehicle electrical systems that require multiple regulated voltage outputs and an ignition buffer. It is also suitable for applications needing robust voltage regulation and power switching capabilities.
Q & A
- What is the primary function of the TDA3681J/N2S,112? The primary function is to provide multiple regulated voltage outputs and an ignition buffer for automotive electronics.
- What is the supply voltage range for the TDA3681J/N2S,112? The supply voltage range is from -18 to +50 V.
- What are the key features of this IC? Key features include low noise behavior, second supply pin for regulators 3 and 4, and load dump protection.
- What are the typical applications for this IC? Typical applications include car radios, infotainment systems, and other automotive electrical systems.
- What is the operating temperature range for this IC? The operating temperature range is from -40 to +85 °C.
- How many regulators does the TDA3681J/N2S,112 have? It has four regulators with different output voltages and currents.
- What is the purpose of the ignition buffer in the TDA3681J/N2S,112? The ignition buffer is used to manage the ignition input and output signals in automotive systems.
- Is the TDA3681J/N2S,112 suitable for high-power applications? Yes, it is designed to handle high-power requirements with a total power dissipation of up to 62 W.
- What type of package does the TDA3681J/N2S,112 come in? It comes in a 17-SIP Formed Leads package.
- Is the TDA3681J/N2S,112 still in production? No, the TDA3681J/N2S,112 is listed as obsolete.
