LM25101ASDX-1/NOPB

Product Overview

Category

The LM25101ASDX-1/NOPB belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in power management applications.

Characteristics

• The LM25101ASDX-1/NOPB is a high-performance synchronous buck regulator.
• It operates with an input voltage range of 4.5V to 42V.
• The output voltage can be adjusted from 0.8V to 90% of the input voltage.
• It provides a maximum output current of 1A.
• This IC offers excellent line and load regulation.
• It features a wide switching frequency range from 100kHz to 2.2MHz.
• The device incorporates various protection features such as thermal shutdown, overcurrent protection, and undervoltage lockout.

Package

The LM25101ASDX-1/NOPB is available in a small outline package (SOP) with eight pins.

Essence

The essence of this product lies in its ability to efficiently regulate and convert high input voltages to lower output voltages for various power management applications.

Packaging/Quantity

The LM25101ASDX-1/NOPB is typically sold in reels containing a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to 90% of input voltage
• Maximum Output Current: 1A
• Switching Frequency Range: 100kHz to 2.2MHz
• Operating Temperature Range: -40°C to +125°C
• Package Type: SOP-8

Detailed Pin Configuration

The LM25101ASDX-1/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. SW: Switching node connection for the internal power switch
3. GND: Ground reference pin
4. FB: Feedback voltage input pin
5. EN: Enable pin for turning the regulator on/off
6. SS/TR: Soft-start/Tracking pin for controlling the startup behavior
7. PGND: Power ground reference pin
8. VOUT: Regulated output voltage pin

Functional Features

• High-efficiency synchronous buck regulator
• Wide input voltage range for versatile applications
• Adjustable output voltage to meet specific requirements
• Excellent line and load regulation for stable operation
• Wide switching frequency range for flexibility in design
• Incorporates various protection features for enhanced reliability

Advantages and Disadvantages

Advantages

• High-performance regulation capabilities
• Wide input voltage range allows for compatibility with various power sources
• Compact SOP package for space-constrained applications
• Protection features ensure safe operation under different conditions

Disadvantages

• Limited maximum output current of 1A may not be suitable for high-power applications
• Requires external components for proper operation, increasing overall system complexity

Working Principles

The LM25101ASDX-1/NOPB operates as a synchronous buck regulator, utilizing pulse-width modulation (PWM) techniques. It converts high input voltages to lower output voltages by controlling the duty cycle of the internal power switch. The feedback voltage is compared to a reference voltage, and the duty cycle is adjusted accordingly to maintain the desired output voltage.

Detailed Application Field Plans

The LM25101ASDX-1/NOPB finds applications in various fields, including but not limited to: - Industrial automation - Automotive electronics - Telecommunications equipment - Power supplies - Battery charging systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LM25101ASDX-1/NOPB include: - LM25102ASDX-1/NOPB - LM25103ASDX-1/NOPB - LM25104ASDX-1/NOPB - LM25105ASDX-1/NOPB

These models share similar specifications and pin configurations, providing alternative options for power management applications.

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