FPF2148 - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Power Switch

Characteristics: - Low RDS(ON) (Resistance Drain-Source On-State) - High Current Handling Capability - Overcurrent Protection - Thermal Shutdown Protection

Package: SOT23-6

Essence: FPF2148 is a power switch IC designed for various applications that require high current handling capability and overcurrent protection.

Packaging/Quantity: The FPF2148 is available in a SOT23-6 package. It is typically sold in reels of 3000 units.

Specifications

• Voltage Range: 2.7V to 5.5V
• Maximum Continuous Current: 1.5A
• RDS(ON): 50mΩ (typical)
• Overcurrent Threshold: Adjustable
• Thermal Shutdown Temperature: 150°C (typical)

Detailed Pin Configuration

The FPF2148 has six pins arranged as follows:

```

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| | | 1 2 | | | | 3 4 | | | | 5 6 | |___________| ```

Pin Description: 1. VIN: Input Voltage 2. GND: Ground 3. EN: Enable Pin 4. FB: Feedback Pin 5. VOUT: Output Voltage 6. PG: Power Good Indicator

Functional Features

1. Low RDS(ON): The FPF2148 exhibits low resistance in the on-state, minimizing power losses and improving efficiency.
2. High Current Handling Capability: With a maximum continuous current rating of 1.5A, the FPF2148 can handle high current loads.
3. Overcurrent Protection: The device incorporates adjustable overcurrent protection, safeguarding the circuit from excessive current.
4. Thermal Shutdown Protection: The FPF2148 includes thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages: - Low power dissipation - Compact package size - Adjustable overcurrent protection threshold - Thermal shutdown protection

Disadvantages: - Limited maximum continuous current rating (1.5A)

Working Principles

The FPF2148 is a power switch IC that controls the flow of current in a circuit. When the enable pin (EN) is high, the switch is turned on, allowing current to flow from the input voltage (VIN) to the output voltage (VOUT). If the current exceeds the set overcurrent threshold, the device activates the overcurrent protection, interrupting the current flow. Additionally, if the temperature rises above the thermal shutdown temperature, the device shuts down to prevent damage.

Detailed Application Field Plans

The FPF2148 can be used in various applications, including but not limited to: - Portable electronic devices - Battery-powered systems - Power management circuits - Industrial automation

Detailed and Complete Alternative Models

Some alternative models to the FPF2148 include: - FPF2150: Similar features with higher maximum continuous current rating (2A) - FPF2130: Lower maximum continuous current rating (1A) with similar features - FPF2165: Higher maximum continuous current rating (3A) with additional features

These alternative models provide options based on specific requirements and desired performance characteristics.

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