Overview
The LM1086ISX-3.3/NOPB is a low dropout positive voltage regulator produced by Texas Instruments. This device is part of the LM1086 series, known for its high performance and reliability. The LM1086ISX-3.3/NOPB provides a fixed output voltage of 3.3V and can supply up to 1.5A of output current. It features a maximum dropout of 1.5V at 1.5A of load current, making it suitable for a wide range of applications requiring stable and efficient voltage regulation.
Key Specifications
| Specification | Value |
|---|---|
| Package | TO-263 (KTT) with 3 pins |
| Operating Temperature Range | -40°C to 125°C |
| Output Voltage | Fixed 3.3V |
| Output Current | Up to 1.5A |
| Maximum Input Voltage | Up to 29V |
| Line Regulation | 0.015% (Typical) |
| Load Regulation | 0.1% (Typical) |
| Output Accuracy | ±2% |
| Ripple Rejection | 60-72 dB @ 120Hz |
| Thermal Resistance (Junction-to-Case) | 1.5°C/W (Control Section), 4.0°C/W (Output Section) |
Key Features
- Available in fixed output voltages (1.8V, 2.5V, 3.3V, 5V) and adjustable versions.
- Current limiting and thermal protection.
- High output accuracy with ±2% tolerance.
- Stable operation with ceramic output capacitors having appropriate ESR.
- No input capacitor required unless the device is more than 6 inches from the input filter capacitors.
- Can be used as a precision current regulator by connecting a fixed resistor between the adjustment pin and output.
Applications
The LM1086ISX-3.3/NOPB is suitable for various applications requiring stable and efficient voltage regulation, such as:
- Power supplies for electronic devices.
- Industrial control systems.
- Automotive electronics.
- Telecommunication equipment.
- Medical devices.
Q & A
- What is the maximum output current of the LM1086ISX-3.3/NOPB? The maximum output current is up to 1.5A.
- What is the operating temperature range of the LM1086ISX-3.3/NOPB? The operating temperature range is -40°C to 125°C.
- What is the maximum input voltage for the LM1086ISX-3.3/NOPB? The maximum input voltage is up to 29V.
- Does the LM1086ISX-3.3/NOPB require an input capacitor? Typically, no input capacitor is needed unless the device is situated more than 6 inches from the input filter capacitors.
- Can the LM1086ISX-3.3/NOPB be used as a precision current regulator? Yes, by connecting a fixed resistor between the adjustment pin and output.
- What is the ripple rejection of the LM1086ISX-3.3/NOPB? The ripple rejection is 60-72 dB @ 120Hz.
- What is the thermal resistance of the LM1086ISX-3.3/NOPB? The thermal resistance is 1.5°C/W (Control Section) and 4.0°C/W (Output Section).
- Is the LM1086ISX-3.3/NOPB stable with ceramic output capacitors? Yes, it is stable with ceramic output capacitors having appropriate ESR.
- What are the key protection features of the LM1086ISX-3.3/NOPB? The device features current limiting and thermal protection.
- What is the output accuracy of the LM1086ISX-3.3/NOPB? The output accuracy is ±2%.
