LP3992-33B5F

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LP3992-33B5F

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Spezifikationen

Attribut Wert
Manufacturer LOWPOWER
Package SOT-23-5
Operating Temperature -40℃~+125℃@(Tj)
Voltage - Supply 5.5V
Output Type Fixed
Number of Outputs 1
Output Current 300mA
Voltage Dropout 220mV@(300mA)
Power Supply Rejection Ratio (PSRR) 76dB@(1kHz)
Features Overcurrent Protection
Output Voltage 3.3V
Output Configuration Positive electrode

Übersicht

Description

The LP3992-33B5F is a low-dropout (LDO) voltage regulator from Texas Instruments, designed for high-performance applications. It provides a fixed 3.3V output with a 500mA current capacity and features ultra-low noise (typically 30µVRMS), making it ideal for sensitive analog and RF circuits.
Key specifications:
- Input voltage range: 2.5V to 6.5V
- Low dropout voltage: 200mV (typical at 500mA)
- High PSRR: 75dB at 1kHz
- Thermal shutdown & current limit protection
Its small SOT-23-5 package suits space-constrained designs, such as portable devices, medical equipment, and IoT modules. The LP3992-33B5F ensures stable, clean power with minimal external components.
For detailed specs, refer to the [TI datasheet](https://www.ti.com/product/LP3992).

Features

The LP3992-33B5F is a low-dropout (LDO) voltage regulator with the following key features:
- Output Voltage: Fixed 3.3V
- Input Voltage Range: 2.5V to 6.5V
- Output Current: Up to 300mA
- Low Dropout Voltage: 120mV (typical) at 100mA
- Low Quiescent Current: 75µA (typical)
- High PSRR: 70dB at 1kHz
- Thermal & Overcurrent Protection: Yes
- Package: SOT-23-5
- Low Noise: Optimized for sensitive applications
Ideal for portable devices, IoT, and battery-powered systems requiring stable, efficient power.

Pinout

The LP3992-33B5F is a 5-pin (SOT-23 package) ultra-low-noise LDO voltage regulator with the following pin functions:
1. VIN – Input voltage (2.5V to 7V).
2. GND – Ground.
3. EN – Enable pin (active high; tie to VIN for always-on).
4. BYP – Bypass capacitor connection for noise reduction.
5. VOUT – Fixed 3.3V output (up to 150mA).
It features low noise (30µVrms), high PSRR, and low dropout voltage, making it ideal for precision analog applications.

Manufacturer

The LP3992-33B5F is a low-noise, low-dropout (LDO) voltage regulator manufactured by Texas Instruments (TI).
Texas Instruments is a leading global semiconductor company specializing in analog and embedded processing technologies. Founded in 1930 and headquartered in Dallas, Texas, TI designs and manufactures a wide range of ICs for industrial, automotive, consumer electronics, and communications applications. The company is known for its high-performance analog chips, power management solutions, and microcontrollers.
The LP3992-33B5F is part of TI's precision LDO family, offering stable voltage regulation with ultra-low noise, making it suitable for sensitive applications like medical devices and RF systems.

Application

The LP3992-33B5F is a low-noise, low-dropout (LDO) voltage regulator designed for precision applications. Key application areas include:
1. Portable Electronics – Powering sensitive components in smartphones, tablets, and wearables.
2. Medical Devices – Ensuring stable voltage for diagnostic equipment and implantable devices.
3. Industrial Systems – Supporting sensors, data acquisition, and control systems.
4. Automotive Electronics – Providing reliable power for infotainment and ADAS modules.
5. IoT Devices – Maintaining consistent voltage for wireless modules and microcontrollers.
Its high PSRR and low noise make it ideal for noise-sensitive applications.

Package

The LP3992-33B5F is a low-noise, low-dropout (LDO) voltage regulator in a 5-pin SOT-23 package. It provides a fixed 3.3V output with high accuracy and low quiescent current, suitable for portable and battery-powered applications. The SOT-23 package is compact, making it ideal for space-constrained designs.

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