LP3923TL-VI/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, low-power voltage regulator
• Package: Thin SOT-23 package
• Essence: Regulates and stabilizes voltage for various electronic devices
• Packaging/Quantity: Available in reels of 3000 units

Specifications

• Input Voltage Range: 2.5V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Output Current: Up to 150mA
• Quiescent Current: 30µA (typical)
• Dropout Voltage: 200mV at 100mA load current
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP3923TL-VI/NOPB IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. VOUT: Output voltage pin

Functional Features

• High efficiency: The LP3923TL-VI/NOPB offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low quiescent current: With a typical quiescent current of only 30µA, the IC minimizes power consumption when not actively regulating voltage.
• Thermal shutdown protection: The device includes thermal shutdown protection, preventing damage due to excessive heat.
• Short-circuit protection: LP3923TL-VI/NOPB is equipped with short-circuit protection, safeguarding the IC and connected devices from potential damage.

Advantages and Disadvantages

Advantages: - High efficiency ensures optimal power usage. - Low quiescent current reduces power consumption. - Thermal shutdown and short-circuit protection enhance device reliability.

Disadvantages: - Limited output current capacity (up to 150mA). - Input voltage range is restricted to 2.5V to 5.5V.

Working Principles

The LP3923TL-VI/NOPB operates as a linear voltage regulator. It takes an input voltage within the specified range and regulates it to a stable output voltage. The IC achieves this by utilizing internal circuitry that adjusts the voltage difference between the input and output, ensuring a constant output voltage regardless of input variations.

Detailed Application Field Plans

The LP3923TL-VI/NOPB finds applications in various electronic devices requiring regulated power supply. Some potential application fields include:

1. Mobile Devices: Smartphones, tablets, and portable media players benefit from the LP3923TL-VI/NOPB's efficient voltage regulation for optimal battery life.
2. Wearable Electronics: Fitness trackers, smartwatches, and other wearable devices can utilize the IC to maintain stable power supply for their components.
3. IoT Devices: LP3923TL-VI/NOPB can be employed in Internet of Things (IoT) devices such as sensors, smart home devices, and connected appliances.
4. Industrial Equipment: The IC can be integrated into industrial control systems, providing reliable voltage regulation for various equipment.

Detailed and Complete Alternative Models

1. LM1117-3.3: A popular alternative with similar specifications and pin configuration.
2. MCP1700-3302E/TO: Another viable option offering comparable performance and package type.
3. TPS79333DBVR: An alternative model with a different package but similar characteristics and functionality.

These alternative models provide similar voltage regulation capabilities and can be considered based on specific requirements and availability.

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