LM3658SDX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High efficiency, compact size, low power consumption
• Package: Small Outline Package (SOP)
• Essence: Voltage Regulator
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 1.2V to 3.6V
• Maximum Output Current: 500mA
• Quiescent Current: 30µA (typical)
• Switching Frequency: 2MHz (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The LM3658SDX/NOPB has the following pin configuration:

1. VIN: Input voltage
2. EN: Enable control pin
3. PG: Power good indicator
4. GND: Ground
5. SW: Switching node
6. FB: Feedback voltage
7. VOUT: Output voltage
8. BST: Boost capacitor connection

Functional Features

• High efficiency voltage regulation
• Low dropout voltage
• Overcurrent protection
• Thermal shutdown protection
• Soft-start capability
• Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency results in reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range provides flexibility - Overcurrent and thermal protection ensure device safety - Soft-start feature prevents excessive inrush current

Disadvantages: - Limited maximum output current of 500mA - Operating temperature range may not be suitable for extreme environments

Working Principles

The LM3658SDX/NOPB is a voltage regulator IC that efficiently converts input voltage to a regulated output voltage. It utilizes a switching regulator topology to achieve high efficiency and low power consumption. The device incorporates various protection features such as overcurrent and thermal shutdown to ensure safe operation. Additionally, the soft-start capability prevents excessive inrush current during startup.

Detailed Application Field Plans

The LM3658SDX/NOPB is commonly used in portable electronic devices such as smartphones, tablets, and wearable devices. Its compact size and high efficiency make it ideal for battery-powered applications. The voltage regulation provided by this IC ensures stable and reliable power supply to sensitive components within these devices.

Detailed and Complete Alternative Models

• LM3671: Similar voltage regulator IC with higher maximum output current of 1A
• LM3622: Step-up voltage regulator IC with adjustable output voltage range
• LM3650: Integrated power management IC with multiple voltage regulators and charging capabilities

These alternative models offer similar functionality and can be considered based on specific application requirements.

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