KA75250MTF

Product Overview

Category: Integrated Circuit (IC)

Use: The KA75250MTF is a versatile integrated circuit primarily used in electronic devices for voltage regulation and power management. It is commonly employed in various applications such as consumer electronics, industrial equipment, and automotive systems.

Characteristics: - Voltage regulation - Power management - High efficiency - Low power consumption - Compact size

Package: The KA75250MTF is available in a small outline package (SOP) which ensures easy integration into electronic circuits. The package provides excellent thermal dissipation properties, ensuring stable performance even under demanding conditions.

Essence: The essence of the KA75250MTF lies in its ability to regulate and manage voltage efficiently, providing a reliable power supply to connected devices. Its compact design and low power consumption make it an ideal choice for space-constrained applications.

Packaging/Quantity: The KA75250MTF is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

The KA75250MTF offers the following specifications:

• Input Voltage Range: 4.5V - 40V
• Output Voltage Range: 1.2V - 37V
• Output Current: Up to 3A
• Quiescent Current: 10mA (max)
• Operating Temperature Range: -40°C to 125°C
• Efficiency: Up to 95%
• Ripple Rejection Ratio: 70dB (typical)
• Line Regulation: ±0.2% (typical)
• Load Regulation: ±0.5% (typical)

Detailed Pin Configuration

The KA75250MTF features a standard pin configuration with the following pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VOUT: Output voltage pin
4. ADJ: Adjustable pin for output voltage regulation
5. EN: Enable pin for turning the IC on/off

Functional Features

The KA75250MTF offers several functional features that enhance its performance and usability:

1. Wide Input Voltage Range: The IC can accept a wide range of input voltages, making it suitable for various power supply configurations.
2. Adjustable Output Voltage: The ADJ pin allows users to fine-tune the output voltage according to their specific requirements.
3. High Efficiency: The KA75250MTF exhibits high efficiency, minimizing power loss and maximizing energy utilization.
4. Protection Mechanisms: The IC incorporates built-in protection mechanisms such as overcurrent protection, thermal shutdown, and short-circuit protection, ensuring safe operation and preventing damage to connected devices.

Advantages and Disadvantages

Advantages: - Wide input voltage range enables versatile applications - Adjustable output voltage provides flexibility - High efficiency reduces power consumption - Compact size facilitates integration into space-constrained designs - Built-in protection mechanisms enhance reliability and safety

Disadvantages: - Limited output current capacity (up to 3A) - May require additional external components for certain applications

Working Principles

The KA75250MTF operates based on a switching regulator topology. It utilizes a pulse-width modulation (PWM) control scheme to regulate the output voltage. The IC continuously monitors the input and output voltages, adjusting the duty cycle of the internal switch to maintain a stable output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The KA75250MTF finds extensive application in various fields, including but not limited to:

1. Consumer Electronics: Power supplies for smartphones, tablets, laptops, and other portable devices.
2. Industrial Equipment: Power management for industrial automation systems, motor control units, and instrumentation devices.
3. Automotive Systems: Voltage regulation for automotive electronics, including infotainment systems, lighting modules, and engine control units.

Detailed and Complete Alternative Models

1. LM2576-ADJ: A similar IC offering adjustable output voltage and high efficiency.
2. LT1084: Provides higher output current capability while maintaining excellent voltage regulation.
3. TPS5430: Offers a wide input voltage range and integrated protection features.

These alternative models can be considered based on specific application requirements and design constraints.

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