LM5085MMX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance synchronous buck regulator
• Package: 10-pin VSSOP package
• Essence: Efficient power conversion for various applications
• Packaging/Quantity: Tape and reel packaging, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 75V
• Output Voltage Range: 0.8V to 60V
• Maximum Output Current: 2A
• Switching Frequency: Up to 1MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LM5085MMX/NOPB has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. FB: Feedback pin for output voltage regulation
4. COMP: Compensation pin for stability control
5. SS/TR: Soft-start/Tracking pin for startup control
6. EN: Enable pin for turning the device on/off
7. PG: Power Good pin indicating output voltage status
8. SW: Switch node pin for connecting the inductor
9. BST: Bootstrap pin for driving the high-side MOSFET
10. VCC: Supply voltage pin for internal circuitry

Functional Features

• Wide input voltage range allows for versatile applications
• High efficiency enables energy-saving operation
• Synchronous rectification improves overall performance
• Adjustable output voltage provides flexibility
• Overcurrent protection ensures safe operation
• Thermal shutdown prevents overheating

Advantages and Disadvantages

Advantages

• High efficiency leads to reduced power consumption
• Wide input voltage range accommodates various power sources
• Compact package size saves board space
• Comprehensive protection features enhance reliability

Disadvantages

• Limited maximum output current may restrict certain applications
• Higher cost compared to non-synchronous buck regulators

Working Principles

The LM5085MMX/NOPB is a synchronous buck regulator that converts high input voltage to lower output voltage efficiently. It utilizes pulse-width modulation (PWM) technique to regulate the output voltage. The device consists of a high-side MOSFET, a low-side MOSFET, and a control circuitry that manages the switching operation. By controlling the duty cycle of the switches, the LM5085MMX/NOPB achieves the desired output voltage.

Detailed Application Field Plans

The LM5085MMX/NOPB can be used in various applications, including:

1. Industrial power supplies
2. Automotive electronics
3. Telecommunications equipment
4. LED lighting systems
5. Battery charging circuits
6. Distributed power architectures

Detailed and Complete Alternative Models

1. LM2596S-ADJ: Adjustable buck regulator with similar specifications
2. TPS54331RTER: Synchronous buck converter with higher output current capability
3. LT8610ABEMSE#PBF: High-performance buck regulator with wider input voltage range

These alternative models offer similar functionality and can be considered as substitutes for the LM5085MMX/NOPB.

In conclusion, the LM5085MMX/NOPB is a high-performance synchronous buck regulator that provides efficient power conversion for a wide range of applications. Its compact package, comprehensive protection features, and adjustable output voltage make it a versatile choice for various power management needs.

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