LM3658SDX

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - High efficiency - Low power consumption - Small form factor - Wide input voltage range - Multiple protection features

Package: SDX Package

Essence: LM3658SDX is a power management IC designed for efficient power conversion and management in various electronic devices.

Packaging/Quantity: The LM3658SDX is available in a standard SDX package. The quantity per package may vary depending on the manufacturer.

Specifications

The LM3658SDX has the following specifications:

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: Adjustable from 0.6V to VIN
• Maximum Output Current: 1.5A
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM3658SDX has the following pin configuration:

1. EN (Enable)
2. PG (Power Good)
3. VIN (Input Voltage)
4. VOUT (Output Voltage)
5. GND (Ground)

Functional Features

The LM3658SDX offers the following functional features:

• Integrated synchronous buck converter
• Soft-start function for controlled startup
• Overcurrent protection
• Thermal shutdown protection
• Undervoltage lockout
• Power good indicator

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows compatibility with various power sources - Small form factor enables space-saving designs - Multiple protection features ensure safe operation

Disadvantages: - Limited maximum output current of 1.5A

Working Principles

The LM3658SDX utilizes a synchronous buck converter to efficiently convert the input voltage to the desired output voltage. It employs a control circuit that regulates the duty cycle of the switching transistor to maintain a stable output voltage. The power management IC also incorporates various protection features to safeguard against overcurrent, thermal issues, and undervoltage conditions.

Detailed Application Field Plans

The LM3658SDX is commonly used in the following applications:

1. Portable electronic devices
2. Battery-powered devices
3. IoT (Internet of Things) devices
4. Wearable devices
5. Low-power embedded systems

Detailed and Complete Alternative Models

Some alternative models to the LM3658SDX include:

1. LM3670SDX - Similar power management IC with adjustable output voltage and higher maximum output current.
2. LM3659SDX - Power management IC with integrated battery charger functionality.
3. LM3657SDX - Power management IC with additional boost converter for higher output voltage requirements.

These alternative models offer similar functionalities but may have different specifications and features.

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