LM25005MH/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - High efficiency - Wide input voltage range - Adjustable output voltage - Low quiescent current - Overcurrent protection - Thermal shutdown protection

Package: PowerPAD HTSSOP-16

Essence: The LM25005MH/NOPB is a high-performance integrated circuit designed for power management applications. It offers efficient power conversion with a wide input voltage range and adjustable output voltage.

Packaging/Quantity: The LM25005MH/NOPB is available in a PowerPAD HTSSOP-16 package. The quantity per package may vary depending on the supplier.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to 37V
• Maximum Output Current: 1.5A
• Quiescent Current: 50µA
• Switching Frequency: 100kHz to 2MHz
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LM25005MH/NOPB has the following pin configuration:

1. VIN: Input voltage
2. GND: Ground
3. FB: Feedback pin for output voltage regulation
4. EN: Enable pin for turning the IC on/off
5. SS/TR: Soft-start/tracking pin for controlling the start-up behavior
6. PGND: Power ground
7. SW: Switch node for connecting the inductor and output capacitor
8. VOUT: Output voltage

Functional Features

• Wide input voltage range allows for versatile application scenarios.
• Adjustable output voltage provides flexibility in power supply design.
• High efficiency ensures minimal power loss during conversion.
• Overcurrent protection safeguards against excessive current flow.
• Thermal shutdown protection prevents overheating and damage to the IC.

Advantages

• High efficiency results in reduced power consumption.
• Wide input voltage range allows for compatibility with various power sources.
• Adjustable output voltage provides customization options.
• Overcurrent and thermal shutdown protections enhance system reliability.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• The PowerPAD HTSSOP-16 package may require additional thermal management measures in certain situations.

Working Principles

The LM25005MH/NOPB operates as a buck converter, converting a higher input voltage to a lower output voltage. It utilizes a switching regulator topology to efficiently transfer power from the input source to the load. By controlling the duty cycle of the internal switch, the IC regulates the output voltage according to the feedback received from the FB pin.

Application Field Plans

The LM25005MH/NOPB is commonly used in various power management applications, including but not limited to: - Industrial automation systems - Automotive electronics - Telecommunications equipment - Battery-powered devices - LED lighting systems

Alternative Models

1. LM25007MH/NOPB: Similar specifications and features, but with a higher maximum output current of 2A.
2. LM25003MH/NOPB: Lower maximum output current of 500mA, suitable for low-power applications.
3. LM25002MH/NOPB: Lower maximum output current of 300mA, designed for ultra-low-power applications.

These alternative models provide options for different power requirements and application scenarios.

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