LTC1475CMS8-3.3#TRPBF

Product Overview

Category

LTC1475CMS8-3.3#TRPBF belongs to the category of voltage regulators.

Use

This product is commonly used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 10V
• Output Voltage: 3.3V
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV
• Low Quiescent Current: 35µA
• Shutdown Current: <1µA
• Package Type: MSOP-8
• Operating Temperature Range: -40°C to 125°C

Package and Quantity

LTC1475CMS8-3.3#TRPBF is available in an MSOP-8 package. It is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: The LTC1475CMS8-3.3#TRPBF can accept input voltages ranging from 2.7V to 10V.
• Output Voltage: This voltage regulator provides a fixed output voltage of 3.3V.
• Maximum Output Current: It can deliver a maximum output current of 500mA.
• Dropout Voltage: The dropout voltage of this device is 300mV, ensuring stable operation even when the input voltage is close to the output voltage.
• Low Quiescent Current: The quiescent current of the LTC1475CMS8-3.3#TRPBF is only 35µA, minimizing power consumption.
• Shutdown Current: When in shutdown mode, the current drawn by the device is less than 1µA.
• Package Type: This product comes in an MSOP-8 package, which is compact and suitable for space-constrained applications.
• Operating Temperature Range: The LTC1475CMS8-3.3#TRPBF can operate within a temperature range of -40°C to 125°C, making it suitable for various environments.

Pin Configuration

The LTC1475CMS8-3.3#TRPBF has the following pin configuration:

```

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| | --| VIN GND |-- Pin 1 --| VOUT EN |-- Pin 2 --| FB PG |-- Pin 3 --| SW |-- Pin 4 |___________| ```

Pin Descriptions: - VIN: Input voltage pin. - GND: Ground pin. - VOUT: Output voltage pin. - EN: Enable pin for turning the regulator on/off. - FB: Feedback pin for regulating the output voltage. - PG: Power Good pin indicating the status of the output voltage. - SW: Switch pin for controlling the internal switching element.

Functional Features

• Wide Input Voltage Range: The LTC1475CMS8-3.3#TRPBF can accept a wide range of input voltages, providing flexibility in various applications.
• Fixed Output Voltage: It provides a fixed output voltage of 3.3V, ensuring stable and reliable operation.
• Low Quiescent Current: With a low quiescent current of 35µA, this voltage regulator minimizes power consumption and extends battery life.
• Shutdown Mode: The device can be put into shutdown mode, where the current drawn is less than 1µA, conserving power when not in use.
• Power Good Indicator: The power good pin (PG) indicates the status of the output voltage, allowing for easy monitoring and fault detection.
• Thermal Shutdown Protection: The LTC1475CMS8-3.3#TRPBF incorporates thermal shutdown protection, preventing damage due to excessive temperature.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Fixed output voltage ensures stable operation.
• Low quiescent current minimizes power consumption.
• Shutdown mode conserves power when not in use.
• Power good indicator facilitates monitoring and fault detection.
• Thermal shutdown protection prevents damage from overheating.

Disadvantages

• Maximum output current limited to 500mA, which may not be sufficient for high-power applications.
• Dropout voltage of 300mV may affect efficiency in low input voltage scenarios.

Working Principles

The LTC1475CMS8-3.3#TRPBF is a voltage regulator that utilizes an internal switching element to regulate the output voltage. It operates by continuously adjusting the duty cycle of the internal switch to maintain a constant output voltage of 3.3V, regardless of changes in the input voltage or load conditions.

When the input voltage exceeds the desired output voltage, the internal switch