CAT6218-270TDGT3

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - Low dropout voltage - High output current capability - Thermal shutdown protection - Short-circuit current limit - Overcurrent protection - Reverse battery protection

Package: SOT-23-5

Essence: The CAT6218-270TDGT3 is a voltage regulator IC that provides a stable output voltage for various electronic devices.

Packaging/Quantity: The CAT6218-270TDGT3 is typically packaged in reels containing 3000 units.

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage: 2.7V
• Output Current: Up to 150mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 85µA
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The CAT6218-270TDGT3 has the following pin configuration:

1. GND (Ground)
2. VOUT (Output Voltage)
3. NC (No Connection)
4. VIN (Input Voltage)
5. EN (Enable)

Functional Features

• Low Dropout Voltage: The CAT6218-270TDGT3 exhibits a low dropout voltage, ensuring efficient regulation even when the input voltage is close to the desired output voltage.
• High Output Current Capability: With a maximum output current of 150mA, this voltage regulator can power a wide range of electronic components and circuits.
• Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, preventing damage due to excessive temperature.
• Short-Circuit Current Limit: In case of a short circuit, the CAT6218-270TDGT3 limits the output current to protect the circuit and connected devices.
• Overcurrent Protection: The voltage regulator features overcurrent protection, safeguarding against excessive current flow.
• Reverse Battery Protection: The IC is designed to withstand reverse polarity connection, preventing damage to the device.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation - High output current capability for versatile applications - Thermal shutdown protection prevents overheating - Short-circuit and overcurrent protection enhance circuit safety - Reverse battery protection safeguards against incorrect connections

Disadvantages: - Limited output current may not be suitable for high-power applications - SOT-23-5 package may require additional space on the PCB

Working Principles

The CAT6218-270TDGT3 operates as a linear voltage regulator. It regulates the output voltage by maintaining a constant voltage drop between the input and output terminals. The internal circuitry adjusts the resistance to ensure the desired output voltage is maintained, regardless of variations in the input voltage or load conditions.

Detailed Application Field Plans

The CAT6218-270TDGT3 finds applications in various electronic devices and circuits, including but not limited to: - Battery-powered devices - Portable audio players - Mobile phones - Digital cameras - Wireless communication modules - Embedded systems

Detailed and Complete Alternative Models

1. LM1117-2.7 (Texas Instruments)
2. MCP1702-2702E/TO (Microchip Technology)
3. TS2950CT-2.7 (STMicroelectronics)
4. LP2985-2.7 (Texas Instruments)
5. NCP1117-2.7 (ON Semiconductor)

These alternative models offer similar voltage regulation capabilities and can be considered as substitutes for the CAT6218-270TDGT3 in various applications.

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