LP3923TLX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-efficiency, Low-power consumption
• Package: Thin Shrink Small Outline Package (TSSOP)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 300mA
• Quiescent Current: 45µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP3923TLX/NOPB IC has the following pin configuration:

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

Functional Features

• High efficiency: The LP3923TLX/NOPB offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low-power consumption: With a quiescent current of only 45µA, the IC minimizes power consumption in standby or low-load conditions.
• Overcurrent protection: The device incorporates overcurrent protection, safeguarding against excessive current flow and potential damage.
• Thermal shutdown: It includes thermal shutdown functionality to prevent overheating and ensure safe operation.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power wastage. - Low-power consumption extends battery life in portable devices. - Overcurrent protection enhances system reliability. - Thermal shutdown prevents damage due to overheating.

Disadvantages: - Limited maximum output current of 500mA may not be suitable for high-power applications. - Input voltage range of 2.7V to 5.5V may restrict compatibility with certain power sources.

Working Principles

The LP3923TLX/NOPB is a voltage regulator IC that converts an input voltage within the specified range into a regulated output voltage. It utilizes internal circuitry to maintain a stable output voltage, even when the input voltage fluctuates or load conditions change. The feedback pin (FB) monitors the output voltage and adjusts the internal circuitry accordingly to ensure accurate regulation.

Detailed Application Field Plans

The LP3923TLX/NOPB finds application in various fields, including but not limited to: 1. Portable electronic devices: It can be used to regulate power supply in smartphones, tablets, portable media players, etc. 2. IoT devices: The IC is suitable for powering low-power IoT devices such as sensors, wearables, and smart home devices. 3. Battery-powered systems: It can be employed in battery-powered systems like wireless headphones, remote controls, and handheld gaming consoles.

Detailed and Complete Alternative Models

1. LP3919TLX/NOPB: Similar to LP3923TLX/NOPB, but with a higher maximum output current of 1A.
2. LP3930TLX/NOPB: A voltage regulator IC with an extended input voltage range of 2.5V to 6.5V.
3. LP3945TLX/NOPB: Offers multiple output voltage options and additional features like adjustable soft-start and power-good indicator.

These alternative models provide similar functionality to the LP3923TLX/NOPB but offer different specifications and features to cater to specific application requirements.

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