LP3918TL/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency power management solution - Designed for portable electronic devices - Provides multiple voltage rails and power sequencing - Offers protection features such as overvoltage, undervoltage, and overcurrent protection

Package: Thin Shrink Small Outline Package (TSSOP)

Essence: LP3918TL/NOPB is a power management IC that efficiently manages power distribution in portable electronic devices.

Packaging/Quantity: The LP3918TL/NOPB is typically sold in reels of 2500 units.

Specifications

The LP3918TL/NOPB has the following specifications:

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.6V to 3.6V
• Number of Outputs: 6
• Maximum Output Current: 300mA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LP3918TL/NOPB has a total of 20 pins. The pin configuration is as follows:

1. VDD
2. EN
3. PGND
4. SW1
5. SW2
6. SW3
7. SW4
8. SW5
9. SW6
10. FB1
11. FB2
12. FB3
13. FB4
14. FB5
15. FB6
16. AGND
17. VIN
18. VOUT1
19. VOUT2
20. VOUT3

Functional Features

The LP3918TL/NOPB offers the following functional features:

• Multiple voltage rails for powering different components in portable electronic devices
• Power sequencing capability to ensure proper startup and shutdown of various subsystems
• Overvoltage protection to prevent damage to the device
• Undervoltage protection to ensure stable operation under low voltage conditions
• Overcurrent protection to safeguard against excessive current flow

Advantages and Disadvantages

Advantages: - Efficient power management solution for portable electronic devices - Provides multiple voltage rails and power sequencing capability - Offers protection features for enhanced reliability

Disadvantages: - Limited maximum output current (300mA) - Restricted input voltage range (2.7V to 5.5V)

Working Principles

The LP3918TL/NOPB regulates and distributes power in portable electronic devices by converting the input voltage to multiple output voltages using integrated DC-DC converters. It ensures proper power sequencing during startup and shutdown, protecting the device from overvoltage, undervoltage, and overcurrent conditions.

Application Field Plans

The LP3918TL/NOPB is commonly used in various portable electronic devices, including but not limited to: - Smartphones - Tablets - Portable media players - Wearable devices - Handheld gaming consoles

Alternative Models

Some alternative models that offer similar functionality to the LP3918TL/NOPB include: - LP3919TL/NOPB - LP3920TL/NOPB - LP3921TL/NOPB - LP3922TL/NOPB

These models can be considered as alternatives based on specific requirements and design considerations.

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