AN48841B-NL Product Overview

Introduction

AN48841B-NL is a versatile integrated circuit that belongs to the category of power management ICs. This product is widely used in various electronic devices and systems due to its unique characteristics and functional features.

Basic Information Overview

• Category: Power Management IC
• Use: Regulating and managing power supply in electronic devices
• Characteristics: High efficiency, compact design, wide input voltage range
• Package: Small outline package (SOP), 16-pin
• Essence: Efficient power regulation and management
• Packaging/Quantity: Typically packaged in reels of 2500 units

Specifications

• Input Voltage Range: 4V to 36V
• Output Voltage Range: 1.2V to 35V
• Output Current: Up to 3A
• Switching Frequency: Adjustable up to 2MHz
• Operating Temperature Range: -40°C to 125°C

Detailed Pin Configuration

1. VIN (Pin 1): Input voltage
2. GND (Pin 2): Ground
3. SW (Pin 3): Switch node
4. FB (Pin 4): Feedback input
5. EN (Pin 5): Enable control
6. COMP (Pin 6): Compensation
7. SS/TRK (Pin 7): Soft-start/Tracking
8. PGND (Pin 8): Power ground
9. VOUT (Pin 9): Output voltage
10. BST (Pin 10): Bootstrap
11. AGND (Pin 11): Analog ground
12. RT/CLK (Pin 12): Resistor timing/clock synchronization
13. SYNC (Pin 13): Synchronization input
14. SS/TRK (Pin 14): Soft-start/Tracking
15. VCC (Pin 15): Supply voltage
16. PGND (Pin 16): Power ground

Functional Features

• Wide Input Voltage Range: Allows for flexibility in various applications
• High Efficiency: Minimizes power loss and heat generation
• Adjustable Switching Frequency: Enables optimization for different operating conditions
• Integrated Protection Features: Overcurrent, overvoltage, and thermal protection

Advantages and Disadvantages

Advantages

• Compact design suitable for space-constrained applications
• High efficiency leads to energy savings
• Integrated protection enhances system reliability

Disadvantages

• Higher cost compared to traditional linear regulators
• Requires careful PCB layout and thermal management

Working Principles

AN48841B-NL operates based on a pulse-width modulation (PWM) control scheme, where the input voltage is efficiently regulated to provide a stable output voltage. The internal control loop continuously monitors the output and adjusts the switching frequency to maintain the desired voltage level.

Detailed Application Field Plans

This power management IC is well-suited for a wide range of applications, including: - Industrial automation systems - Automotive electronics - Telecommunication equipment - Consumer electronics - Renewable energy systems

Detailed and Complete Alternative Models

• AN48842B-NL: Higher output current capability
• AN48840B-NL: Lower input voltage range for specific applications
• AN48843B-NL: Enhanced thermal performance for high-temperature environments

In conclusion, AN48841B-NL offers a comprehensive solution for power management in diverse electronic systems, providing high efficiency, flexibility, and reliability.

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