CAT6217-250TDGT3

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Adjustable output voltage - Thermal shutdown protection - Overcurrent protection

Package: SOT-23-5

Essence: The CAT6217-250TDGT3 is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The CAT6217-250TDGT3 is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Dropout Voltage: 200mV at 150mA
• Output Current: Up to 150mA
• Quiescent Current: 75µA
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The CAT6217-250TDGT3 has a SOT-23-5 package with the following pin configuration:

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Pin 1: Enable (EN) Pin 2: Ground (GND) Pin 3: Feedback (FB) Pin 4: Output (OUT) Pin 5: Input (IN)

Functional Features

• Low Dropout Voltage: The CAT6217-250TDGT3 has a low dropout voltage of only 200mV at 150mA, ensuring efficient power conversion.
• High Output Current Capability: With an output current capability of up to 150mA, this voltage regulator can handle a wide range of electronic devices.
• Adjustable Output Voltage: The output voltage can be adjusted from 1.2V to 5.5V, providing flexibility for different applications.
• Thermal Shutdown Protection: The IC includes thermal shutdown protection, which prevents overheating and ensures safe operation.
• Overcurrent Protection: The CAT6217-250TDGT3 incorporates overcurrent protection, safeguarding the circuit from excessive current flow.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - High output current capability allows for a wide range of applications. - Adjustable output voltage provides flexibility. - Thermal shutdown and overcurrent protection enhance safety.

Disadvantages: - Limited maximum output current compared to some other voltage regulators. - SOT-23-5 package may require additional space on the PCB.

Working Principles

The CAT6217-250TDGT3 is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage, adjusting the pass transistor's resistance to maintain a stable output voltage. The enable pin (EN) controls the regulator's operation, allowing it to be turned on or off as needed.

Detailed Application Field Plans

The CAT6217-250TDGT3 is suitable for various applications, including but not limited to: - Battery-powered devices - Portable electronics - IoT devices - Consumer electronics - Industrial equipment

Detailed and Complete Alternative Models

Some alternative models to the CAT6217-250TDGT3 include: - LM1117-3.3: A popular voltage regulator with similar specifications and package options. - MCP1700: Another voltage regulator with low dropout voltage and adjustable output voltage. - TS2940: A voltage regulator with high output current capability and thermal shutdown protection.

These alternative models offer similar functionality and can be considered as substitutes depending on specific requirements.

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