LM25085AMM/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High-performance synchronous buck regulator
• Package: 16-pin VQFN package
• Essence: Efficient power conversion and regulation
• Packaging/Quantity: Tape and reel packaging, quantity varies

Specifications

• Input Voltage Range: 4.5V to 42V
• Output Voltage Range: 0.8V to 90% of VIN
• Output Current: Up to 3A
• Switching Frequency: Adjustable up to 2MHz
• Efficiency: Up to 95%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VIN: Input voltage pin
2. PGND: Power ground pin
3. SW: Switching node pin
4. BOOT: Bootstrap capacitor connection pin
5. SS/TR: Soft-start/tracking pin
6. FB: Feedback voltage pin
7. EN: Enable pin
8. VCC: Supply voltage pin
9. AGND: Analog ground pin
10. COMP: Compensation pin
11. SS/TR: Soft-start/tracking pin
12. SYNC: Synchronization pin
13. RT/CLKOUT: Oscillator resistor/clock output pin
14. CLKIN: Clock input pin
15. PGOOD: Power good indicator pin
16. VREF: Reference voltage pin

Functional Features

• High efficiency power conversion
• Wide input voltage range
• Adjustable output voltage
• Synchronous rectification for improved efficiency
• Overcurrent protection
• Thermal shutdown protection
• Soft-start and tracking capability
• Clock synchronization option

Advantages and Disadvantages

Advantages

• High efficiency operation
• Wide input voltage range allows for versatile applications
• Adjustable output voltage provides flexibility
• Synchronous rectification improves efficiency
• Comprehensive protection features ensure reliability
• Soft-start and tracking capability for controlled startup
• Clock synchronization option for system integration

Disadvantages

• Limited output current compared to some other models
• Higher cost compared to non-synchronous buck regulators

Working Principles

The LM25085AMM/NOPB is a synchronous buck regulator that converts high input voltage to a lower, regulated output voltage. It utilizes a high-frequency switching technique to efficiently transfer power from the input to the output. The integrated control circuitry ensures stable and accurate regulation of the output voltage. The device incorporates various protection features to safeguard against overcurrent and thermal issues.

Detailed Application Field Plans

The LM25085AMM/NOPB is suitable for a wide range of applications, including:

1. Industrial power supplies
2. Automotive electronics
3. Telecommunications equipment
4. Distributed power systems
5. Battery-powered devices
6. LED lighting systems
7. Motor control circuits
8. Audio amplifiers
9. Medical equipment
10. Consumer electronics

Detailed and Complete Alternative Models

1. LM25088MM/NOPB
2. LM25089MM/NOPB
3. LM25082MM/NOPB
4. LM25083MM/NOPB
5. LM25086MM/NOPB
6. LM25087MM/NOPB
7. LM25080MM/NOPB
8. LM25081MM/NOPB
9. LM25084MM/NOPB
10. LM25090MM/NOPB

These alternative models offer similar functionality and can be considered as substitutes for the LM25085AMM/NOPB.

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