LP39542TL/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
• Output Current: Up to 1A
• Quiescent Current: 50µA (typical)
• Switching Frequency: 2.25MHz
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LP39542TL/NOPB IC has the following pin configuration:

1. EN (Enable)
2. FB (Feedback)
3. GND (Ground)
4. SW (Switch)
5. VIN (Input Voltage)
6. VOUT (Output Voltage)

Functional Features

• High efficiency voltage regulation
• Low power consumption in standby mode
• Overcurrent protection
• Thermal shutdown protection
• Soft start to minimize inrush current

Advantages

• Wide input voltage range allows for versatile applications
• High efficiency results in reduced power dissipation
• Compact TSSOP package saves board space
• Overcurrent and thermal protection enhance reliability
• Soft start feature prevents excessive current flow during startup

Disadvantages

• Limited output current capacity (up to 1A)
• Operating temperature range may not be suitable for extreme environments

Working Principles

The LP39542TL/NOPB is a voltage regulator IC that takes an input voltage within the range of 2.7V to 5.5V and provides a regulated output voltage between 0.8V and 3.6V. It achieves high efficiency by utilizing a synchronous buck converter topology. The IC incorporates various protection features such as overcurrent and thermal shutdown to ensure safe operation.

Detailed Application Field Plans

The LP39542TL/NOPB is commonly used in portable electronic devices, battery-powered systems, and other applications where efficient power management is crucial. Some specific application areas include:

1. Mobile phones and smartphones
2. Tablets and laptops
3. Portable gaming consoles
4. Wearable devices
5. IoT (Internet of Things) devices
6. Battery-powered medical devices

Detailed and Complete Alternative Models

• LM2576T-ADJ: Adjustable Voltage Regulator, TO-220 package
• TPS54332DDAR: Synchronous Buck Converter, PowerPAD package
• LT1763CS8-3.3: Low Dropout Regulator, SOIC package
• MAX17020ETM+: Step-Down DC-DC Converter, TQFN package
• AP1509-50T5L-U: Fixed Voltage Regulator, SOT-23 package

(Note: This list is not exhaustive and there are many other alternative models available in the market.)

This entry provides an overview of the LP39542TL/NOPB voltage regulator IC, including its basic information, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.