LM25085AMYX/NOPB

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

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

Package: SOP-8 (Small Outline Package)

Essence: The LM25085AMYX/NOPB is a voltage regulator IC designed to provide a stable and regulated output voltage from a wide range of input voltages.

Packaging/Quantity: The LM25085AMYX/NOPB is typically sold in reels containing 2500 units per reel.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to 37V
• Maximum Output Current: 3A
• Quiescent Current: 120µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM25085AMYX/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for adjusting the output voltage
4. EN: Enable pin for turning the regulator on/off
5. SS/TR: Soft-start/Tracking pin for controlling the startup behavior
6. PG: Power Good pin indicating the output voltage is within regulation
7. VOUT: Output voltage pin
8. SW: Switching node pin for connecting the external inductor

Functional Features

• Wide input voltage range allows for versatile applications
• Adjustable output voltage provides flexibility in different scenarios
• Overcurrent protection safeguards against excessive current flow
• Thermal shutdown protection prevents overheating and damage to the IC

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Wide input voltage range allows for compatibility with various power sources - Adjustable output voltage provides customization options - Overcurrent and thermal shutdown protection enhance reliability

Disadvantages: - Limited maximum output current of 3A may not be suitable for high-power applications - SOP-8 package may require additional heat dissipation measures in certain cases

Working Principles

The LM25085AMYX/NOPB operates as a buck voltage regulator, converting a higher input voltage to a lower, regulated output voltage. It utilizes a switching mechanism controlled by an internal oscillator to efficiently step down the input voltage. The feedback pin (FB) is used to adjust the output voltage, while the enable pin (EN) controls the on/off state of the regulator.

Detailed Application Field Plans

The LM25085AMYX/NOPB can be applied in various fields, including but not limited to: 1. Automotive electronics 2. Industrial automation 3. Power supplies 4. Battery-powered systems 5. Telecommunications equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM25085AMYX/NOPB include: 1. LM2596S-ADJ 2. LM317T 3. LT1083CP 4. TPS5430DDAR 5. ADP2302ARDZ

These models can be considered based on specific requirements and application scenarios.

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