LT3468ES5-2#TRMPBF

Product Overview

Category

The LT3468ES5-2#TRMPBF belongs to the category of integrated circuits (ICs) and specifically falls under the voltage regulators category.

Use

This product is primarily used for voltage regulation in various electronic devices and systems. It provides a stable output voltage by regulating the input voltage.

Characteristics

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 1.22V to 15V
• Maximum Output Current: 200mA
• Low Dropout Voltage: 300mV at 200mA
• Quiescent Current: 40µA
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-23-5

Package and Quantity

The LT3468ES5-2#TRMPBF is available in a small outline transistor (SOT) package with five pins (SOT-23-5). It is typically sold in reels or tubes, with a quantity of 3000 units per reel or tube.

Specifications

• Input Voltage Range: 2.7V to 16V
• Output Voltage Range: 1.22V to 15V
• Maximum Output Current: 200mA
• Dropout Voltage: 300mV at 200mA
• Quiescent Current: 40µA
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-23-5

Pin Configuration

The LT3468ES5-2#TRMPBF has five pins arranged as follows:

```

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| | --| VIN GND |-- Pin 1 --| VOUT NC |-- Pin 2 --| FB SHDN|-- Pin 3 --| SW NC |-- Pin 4 --| LX |-- Pin 5 |___________| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Shutdown mode with ultra-low current for power-saving operation.
• Thermal shutdown and current limit protection for enhanced reliability.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Compact SOT-23-5 package offers space-saving integration in small electronic devices.
• Shutdown mode with ultra-low current allows for power-saving operation during standby periods.
• Thermal shutdown and current limit protection enhance the reliability of the device.

Disadvantages

• Maximum output current of 200mA may not be sufficient for high-power applications.
• Limited pin configuration options may restrict certain circuit designs.

Working Principles

The LT3468ES5-2#TRMPBF is a voltage regulator that utilizes an internal feedback loop to maintain a stable output voltage. It operates by comparing the output voltage (VOUT) with a reference voltage (FB) and adjusts the duty cycle of an internal switch (SW) accordingly. This regulates the output voltage within the specified range, compensating for variations in the input voltage (VIN) and load conditions.

Detailed Application Field Plans

The LT3468ES5-2#TRMPBF finds applications in various fields, including but not limited to:

1. Portable electronic devices: Provides regulated power supply for battery-powered devices such as smartphones, tablets, and portable media players.
2. Automotive electronics: Ensures stable voltage for automotive systems, including infotainment systems, lighting controls, and sensors.
3. Industrial automation: Used in control systems, motor drives, and instrumentation devices to maintain consistent power supply.
4. IoT devices: Enables efficient power management in Internet of Things (IoT) devices, such as smart home devices and wearable technology.

Detailed and Complete Alternative Models

1. LT1763-2.5: Low dropout linear regulator with a fixed output voltage of 2.5V.
2. LM317: Adjustable linear voltage regulator capable of providing output voltages from 1.25V to 37V.
3. TPS5430: Step-down (buck) switching regulator with adjustable output voltage and high efficiency.
4. ADP3339: Low dropout linear regulator with a fixed output voltage of 3.3V and high output current capability.

These alternative models offer similar functionality and can be considered based on specific requirements and design constraints.

In conclusion, the LT3468ES5-2#TRMPBF is an integrated circuit voltage regulator that provides stable output voltage regulation. Its wide input voltage range, low dropout voltage,