TPS75105YFFT - English Editing Encyclopedia Entry

Product Overview

Category

The TPS75105YFFT belongs to the category of voltage regulators.

Use

This product is commonly used in electronic circuits to regulate and stabilize voltage levels.

Characteristics

• Voltage regulation: The TPS75105YFFT provides a stable output voltage, ensuring consistent performance of connected devices.
• Efficiency: This voltage regulator offers high efficiency, minimizing power losses during operation.
• Low dropout voltage: The TPS75105YFFT has a low dropout voltage, allowing it to maintain a stable output even when the input voltage is close to the desired output voltage.
• Thermal protection: It includes built-in thermal protection mechanisms to prevent overheating and ensure safe operation.
• Fast transient response: The TPS75105YFFT quickly responds to changes in load conditions, maintaining a stable output voltage.

Package and Quantity

The TPS75105YFFT is available in a small outline integrated circuit (SOIC) package. It is typically sold in reels or tubes containing a specific quantity, such as 250 units per reel.

Specifications

• Input voltage range: 2.5V to 6.5V
• Output voltage: 1.2V to 5.5V
• Maximum output current: 1A
• Dropout voltage: 120mV at 1A
• Quiescent current: 75µA
• Operating temperature range: -40°C to +125°C

Pin Configuration

The TPS75105YFFT features the following pin configuration:

```

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| | --| VIN GND|-- --| VOUT EN |-- --| FB NC |-- --| PG NC |-- |___________| ```

• VIN: Input voltage pin
• GND: Ground pin
• VOUT: Output voltage pin
• EN: Enable pin (used to control the regulator's operation)
• FB: Feedback pin (used for voltage regulation)
• PG: Power good pin (indicates if the output voltage is within the desired range)
• NC: No connection

Functional Features

• Voltage regulation: The TPS75105YFFT maintains a stable output voltage, compensating for input voltage variations and load changes.
• Thermal protection: It includes thermal shutdown circuitry to prevent damage due to excessive temperature.
• Enable control: The EN pin allows the user to enable or disable the regulator as needed.
• Power good indication: The PG pin provides an indication of whether the output voltage is within the specified range.

Advantages and Disadvantages

Advantages: - High efficiency - Low dropout voltage - Fast transient response - Thermal protection mechanism

Disadvantages: - Limited maximum output current (1A)

Working Principles

The TPS75105YFFT operates based on a feedback control mechanism. It compares the output voltage with a reference voltage and adjusts the internal circuitry to maintain a constant output voltage. This ensures that connected devices receive a stable power supply, even when the input voltage or load conditions change.

Detailed Application Field Plans

The TPS75105YFFT finds applications in various electronic systems, including: 1. Battery-powered devices: It can be used to regulate the voltage supplied to microcontrollers, sensors, and other components in portable electronics. 2. Industrial automation: The voltage regulator ensures stable power supply to control systems, motor drivers, and communication modules. 3. Automotive electronics: It can be employed in automotive applications to regulate voltage for infotainment systems, lighting modules, and engine control units.

Detailed Alternative Models

1. TPS7A3301: This voltage regulator offers similar characteristics and specifications to the TPS75105YFFT, with a slightly higher maximum output current.
2. LM1117: A popular alternative, the LM1117 provides voltage regulation with adjustable output voltage and higher maximum output current.

In conclusion, the TPS75105YFFT is a voltage regulator that offers high efficiency, low dropout voltage, and fast transient response. It finds applications in various electronic systems, providing stable power supply to connected devices. Alternative models such as the TPS7A3301 and LM1117 offer similar functionality with slight variations in specifications.