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STMICROELECTRONICS LD2981CU33TR Low Dropout Voltage Regulator
The LD2981 is a highly efficient, ultra low-dropout voltage regulator designed for low noise, low power applications, including battery-powered systems. It features a 0.17 V typical dropout voltage at 100 mA load, extremely low quiescent current of only 80 μA in on mode, and a logic-controlled electronic shutdown for reduced power consumption. Available in small SOT23-5L and SOT-89 packages, it supports output voltages of 2.5 V, 3.0 V, 3.3 V, and 5.0 V. Its fast dynamic response and thermal safeguards make it ideal for portable, cellular, and digital devices needing reliable power regulation.
STMICROELECTRONICS LD2981CU33TR Low Dropout Voltage Regulator Specifications:
- Dropout Voltage: 0.17 V typ. at 100 mA load
- Quiescent Current: 80 μA typ. in on mode, less than 1 μA in sleep mode
- Output Voltage Options: 2.5 V, 3.0 V, 3.3 V, 5.0 V
- Maximum Output Current: 100 mA
- Output Noise Voltage: 160 UV RMS
- Temperature Range: -40 to 125°C
- Package Types: SOT23-5L, SOT-89
- Fast line and load transient response
- Internal current and thermal limit
- Logic-controlled shutdown via inhibit pin
- Supports low ESR ceramic capacitors
- Internal thermal and current limiting
- Guaranteed ±0.75% output voltage tolerance (U version)
Buy the STMicroelectronics LD2981 – Reliable Voltage Regulator for Industrial Applications
Purchase the LD2981 online today for your low noise and low power projects. This highly efficient regulator provides stable output voltages with fast transient response, making it perfect for portable, cellular, and digital devices. Its small size and shutdown feature help optimize power consumption in battery-operated systems. Designed for easy integration with ceramic capacitors, the LD2981 offers reliable performance, thermal stability, and precise output regulation. Get yours now and enhance your electronic designs with dependable power management solutions.
Order your STMicroelectronics LD2981 in small package today and ensure your low power, high efficiency applications operate with dependable voltage regulation.
Frequently Asked Questions
Where can I buy STMICROELECTRONICS LD2981CU33TR?
You can click on the BUY or RFQ button to purchase LD2981CU33TR from an authorized STMICROELECTRONICS distributor.
How do I troubleshoot issues or seek technical support for part LD2981CU33TR?
You can download the LD2981CU33TR datasheet or visit the STMICROELECTRONICS website for support.
Who is the manufacturer of LD2981CU33TR?
STMICROELECTRONICS