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STMicroelectronics Voltage Regulator LDO Linear 16V 80μA Quiescent Current 3-Pin SOT-89 LD2981ABU33TR
Specifications
| Country of Origin | India |
|---|---|
| Voltage | Regulators STMicroelectronics LD2981ABU33TR, Voltage Regulator 16V SOT-89 3-Pin |
| Brand | STMicroelectronics |
| Height | 1.6mm |
| Length | 4.6mm |
| Model | LD2981ABU33TR |
| Width | 2.6mm |
| Mount Type | Surface |
| Series | LD2981 |
| Maximum Operating Temperature | 125°C |
| Package Type | SOT-89 |
| Polarity | Positive |
| Maximum Input Voltage | 16V |
| Quiescent Current | 80μA |
| Minimum Input Voltage | 2.5V |
| Pin Count | 3 |
Key Features
- Wide input voltage range from 2.5V to 16V supports versatile power supplies.
- Low quiescent current of 80μA ensures energy-efficient operation.
- Compact 3-pin SOT-89 surface mount package measuring 4.6mm by 2.6mm by 1.6mm.
- Capable of delivering up to 100mA output current for stable voltage regulation.
- Designed with positive polarity and suitable for low noise, fast transient response applications.
- Maximum operating temperature rating of 125°C for reliable performance in industrial environments.
- No automotive standards certification, targeting general electronics and power management use cases.
- Ideal for use in electronic components, power supplies, and embedded systems.
Product Description
STMicroelectronics LD2981ABU33TR is a high-performance LDO (low dropout) linear voltage regulator designed for precise voltage regulation in electronic circuits. It operates with a wide input voltage range from 2.5V up to a maximum of 16V and delivers stable output voltages with low noise and fast transient response.
This device features a compact SOT-89 surface mount package with only 3 pins, making it ideal for space-constrained applications such as portable and embedded systems. Its low quiescent current of 80μA makes it suitable for battery-powered applications where power efficiency is critical.
The LD2981ABU33TR belongs to the LD2981 series, renowned for robust linear regulators with positive polarity and stable operation up to 125°C maximum operating temperature. It can supply current up to 100mA, enabling it to support various loads in industrial, consumer electronics, and power management sectors.
The package dimensions are 4.6mm length, 2.6mm width, and 1.6mm height, facilitating integration on modern printed circuit boards with surface mount technology (SMT). Although it does not have automotive standard certifications, it is widely used in general electronics, power supplies, and embedded hardware design.
Wide voltage input range: 2.5V to 16V. Low quiescent current of 80μA for energy-saving operation. Compact SOT-89 3-pin SMT package. Maximum operating temperature: 125°C. Positive polarity device suitable for various power regulation needs.
Up to 100mA output current capability.
This product is an essential component for designers needing reliable, low dropout voltage regulation with minimal noise and efficient power consumption. It supports applications in power management ICs, electronic components, and industrial control systems.
Explore more Voltage Regulator solutions with STMicroelectronics and browse the Electronics & Electricals category in EnvMart for a diverse range of power management technology.
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Frequently Asked Questions
The maximum input voltage for this model is 16V.
This voltage regulator has a low quiescent current of 80μA, making it energy-efficient.
It is capable of delivering up to 100mA output current for stable voltage regulation.
The SOT-89 package measures 4.6mm in length, 2.6mm in width, and 1.6mm in height.
The maximum operating temperature rating is 125°C, suitable for industrial environments.
This voltage regulator features positive polarity, suitable for various power regulation needs.
It is designed for surface mounting, making it suitable for modern PCB applications.
The minimum input voltage for this model is 2.5V.
It is ideal for use in electronic components, power supplies, and embedded systems.
This model belongs to the LD2981 series, known for robust linear regulators.
This voltage regulator has a total of 3 pins.
The country of origin for this product is India.
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