LP3923TL-VB/NOPB

Product Overview

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

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 500mA
• Quiescent Current: 45µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP3923TL-VB/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
6. PG: Power Good pin

Functional Features

• High efficiency: The LP3923TL-VB/NOPB offers high efficiency, ensuring minimal power loss during voltage regulation.
• Low-power consumption: With a quiescent current of only 45µA, this IC minimizes power consumption in standby or low-load conditions.
• Wide input and output voltage range: It supports a wide input voltage range of 2.7V to 5.5V and an output voltage range of 0.6V to 3.6V, making it versatile for various applications.
• Dropout voltage: The dropout voltage of 200mV at 500mA ensures stable output voltage even when the input voltage is close to the desired output voltage.
• Power Good indicator: The PG pin provides a signal indicating the status of the output voltage, ensuring reliable power delivery.

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power loss.
• Low-power consumption extends battery life in portable devices.
• Wide input and output voltage range allows for flexibility in design.
• Dropout voltage ensures stable output voltage even under varying input conditions.
• Power Good indicator enhances system reliability.

Disadvantages

• Limited maximum output current of 500mA may not be suitable for high-power applications.
• Operating temperature range of -40°C to +85°C may restrict usage in extreme environments.

Working Principles

The LP3923TL-VB/NOPB is a voltage regulator IC that regulates the input voltage to a desired output voltage. It utilizes a feedback mechanism to continuously monitor the output voltage and adjust the internal circuitry to maintain a stable output. When the enable (EN) pin is high, the IC operates and regulates the output voltage. The power good (PG) pin provides a signal indicating whether the output voltage is within the specified range.

Detailed Application Field Plans

The LP3923TL-VB/NOPB is commonly used in various electronic devices and systems, including:

1. Mobile phones and smartphones
2. Tablets and laptops
3. Portable media players
4. Wearable devices
5. IoT (Internet of Things) devices
6. Battery-powered devices
7. Embedded systems

Detailed and Complete Alternative Models

1. LP3919TL-VB/NOPB
2. LP3930TL-VB/NOPB
3. LP3942TL-VB/NOPB
4. LP3955TL-VB/NOPB
5. LP3968TL-VB/NOPB

These alternative models offer similar functionality and characteristics to the LP3923TL-VB/NOPB and can be considered as alternatives based on specific requirements.

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