L9660TR

Product Overview

Category: Integrated Circuit (IC)

Use: L9660TR is a voltage regulator IC primarily used in electronic devices to regulate and stabilize the output voltage.

Characteristics: - High precision voltage regulation - Low dropout voltage - Wide input voltage range - Overcurrent protection - Thermal shutdown protection

Package: L9660TR is available in a small outline transistor (SOT) package, which ensures easy integration into various electronic circuits.

Essence: The essence of L9660TR lies in its ability to provide stable and regulated voltage output, ensuring reliable performance of electronic devices.

Packaging/Quantity: L9660TR is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V - 18V
• Output Voltage Range: 1.2V - 15V
• Dropout Voltage: 0.3V (typical)
• Maximum Output Current: 1A
• Quiescent Current: 75µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

L9660TR 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 setting the desired output voltage

Functional Features

• Voltage Regulation: L9660TR ensures precise voltage regulation, maintaining a stable output voltage even under varying load conditions.
• Low Dropout Voltage: The low dropout voltage feature allows the IC to operate efficiently even when the input voltage is close to the desired output voltage.
• Overcurrent Protection: L9660TR incorporates overcurrent protection, safeguarding the IC and the connected circuitry from excessive current flow.
• Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, preventing damage to the IC due to overheating.

Advantages and Disadvantages

Advantages: - High precision voltage regulation ensures reliable performance of electronic devices. - Low dropout voltage enables efficient operation even with low input-output voltage differentials. - Overcurrent protection prevents damage to the IC and connected components. - Thermal shutdown protection safeguards against overheating.

Disadvantages: - Limited maximum output current (1A) may not be suitable for high-power applications. - The SOT package may limit heat dissipation capabilities in certain scenarios.

Working Principles

L9660TR operates based on a feedback control mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a stable output voltage. The adjustable pin (ADJ) allows users to set the desired output voltage within the specified range.

Detailed Application Field Plans

L9660TR finds applications in various electronic devices and systems, including but not limited to: - Battery-powered devices - Portable consumer electronics - Automotive electronics - Industrial control systems - Power management circuits

Alternative Models

For those seeking alternatives to L9660TR, the following models can be considered: - L7805CV - LM317T - LT1084CP - TPS7A4700

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

In conclusion, L9660TR is a versatile voltage regulator IC that provides precise voltage regulation, low dropout voltage, and essential protection features. Its compact package and wide range of applications make it a popular choice among electronic designers and engineers.

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