LM26001MXAX/NOPB

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High Efficiency, Wide Input Voltage Range, Low Quiescent Current
• Package: 20-Pin HTSSOP
• Essence: Step-Down (Buck) Converter
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Input Voltage Range: 4.5V to 60V
• Output Voltage Range: 0.8V to 55V
• Output Current: Up to 3A
• Switching Frequency: Adjustable up to 2MHz
• Quiescent Current: 40µA (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. VIN: Input Voltage
2. PGND: Power Ground
3. SW: Switch Node Connection
4. FB: Feedback Voltage Input
5. COMP: Compensation Node
6. SS/TR: Soft-Start/Tracking Control
7. EN: Enable Input
8. VCC: IC Supply Voltage
9. AGND: Analog Ground
10. PG: Power Good Indicator Output
11. BST: Bootstrap Capacitor Connection
12. SS/TR: Soft-Start/Tracking Control
13. RT/CLK: Oscillator Resistor/Clock Synchronization
14. SYNC: External Clock Synchronization
15. SS/TR: Soft-Start/Tracking Control
16. SS/TR: Soft-Start/Tracking Control
17. SS/TR: Soft-Start/Tracking Control
18. SS/TR: Soft-Start/Tracking Control
19. SS/TR: Soft-Start/Tracking Control
20. SS/TR: Soft-Start/Tracking Control

Functional Features

• High Efficiency Conversion
• Wide Input Voltage Range for Versatility
• Adjustable Output Voltage
• Synchronous Rectification for Improved Efficiency
• Overcurrent and Thermal Protection
• Power Good Indicator
• Soft-Start and Tracking Control

Advantages and Disadvantages

Advantages

• High efficiency conversion reduces power loss
• Wide input voltage range allows for various applications
• Adjustable output voltage provides flexibility
• Synchronous rectification improves overall efficiency
• Comprehensive protection features ensure safe operation
• Power good indicator for system monitoring
• Soft-start and tracking control for smooth startup

Disadvantages

• Limited maximum output current (up to 3A)
• Requires external components for proper operation
• Higher cost compared to non-integrated solutions

Working Principles

The LM26001MXAX/NOPB is a step-down (buck) converter IC that efficiently converts a higher input voltage to a lower output voltage. It utilizes a synchronous rectification topology to minimize power loss during the conversion process. The IC incorporates a feedback loop to regulate the output voltage, ensuring stability and accuracy. Various protection features such as overcurrent and thermal shutdown are implemented to safeguard the system. The soft-start and tracking control functions allow for controlled startup and tracking of the output voltage.

Detailed Application Field Plans

The LM26001MXAX/NOPB is widely used in various applications requiring efficient power management. Some common application fields include:

1. Industrial Automation: Powering control systems, motor drives, and sensors.
2. Automotive Electronics: Providing power to infotainment systems, lighting, and advanced driver-assistance systems (ADAS).
3. Telecommunications: Powering base stations, routers, and network equipment.
4. Renewable Energy: Charging batteries in solar or wind energy systems.
5. Consumer Electronics: Powering portable devices, home appliances, and audio/video equipment.

Detailed and Complete Alternative Models

1. LM2596SX-ADJ/NOPB
2. TPS54331DR/NOPB
3. LT1763CS8-3.3#PBF
4. MAX5035DASA+
5. ADP2384ACPZ-R7

These alternative models offer similar functionality and can be considered as alternatives to the LM26001MXAX/NOPB based on specific application requirements.

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