LTC1728ES5-3.3#TRMPBF

Product Overview

Category

LTC1728ES5-3.3#TRMPBF belongs to the category of voltage regulators.

Use

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

Characteristics

• Input Voltage Range: 2.7V to 6V
• Output Voltage: 3.3V
• Maximum Output Current: 250mA
• Low Dropout Voltage: 300mV at 250mA
• Low Quiescent Current: 30µA
• Shutdown Current: <1µA
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-23
• RoHS Compliant

Package and Quantity

The LTC1728ES5-3.3#TRMPBF comes in a small SOT-23 package. It is available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 2.7V to 6V
• Output Voltage: 3.3V ±2%
• Maximum Output Current: 250mA
• Dropout Voltage: 300mV at 250mA
• Quiescent Current: 30µA
• Shutdown Current: <1µA
• Line Regulation: ±0.05% (Typ)
• Load Regulation: ±0.1% (Typ)
• Ripple Rejection: 70dB (Typ)
• Operating Temperature Range: -40°C to 125°C
• Package Type: SOT-23

Pin Configuration

The LTC1728ES5-3.3#TRMPBF has the following pin configuration:

```

---

| | --| VIN GND |-- --| VOUT SHDN|-- |___________| ```

• VIN: Input Voltage
• GND: Ground
• VOUT: Output Voltage
• SHDN: Shutdown Pin

Functional Features

1. Wide Input Voltage Range: The LTC1728ES5-3.3#TRMPBF can accept input voltages ranging from 2.7V to 6V, making it suitable for a variety of applications.
2. Low Dropout Voltage: With a dropout voltage of only 300mV at 250mA, this voltage regulator minimizes power loss and ensures efficient operation.
3. Low Quiescent Current: The quiescent current of 30µA helps conserve power and extends battery life in portable devices.
4. Shutdown Mode: The SHDN pin allows the regulator to be put into a low-power shutdown mode, reducing power consumption to less than 1µA.
5. Excellent Line and Load Regulation: The LTC1728ES5-3.3#TRMPBF provides precise regulation of output voltage, with line regulation of ±0.05% and load regulation of ±0.1%.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile use.
• Low dropout voltage minimizes power loss.
• Low quiescent current extends battery life.
• Shutdown mode reduces power consumption when not in use.
• Precise line and load regulation ensure stable output voltage.

Disadvantages

• Maximum output current limited to 250mA, which may not be sufficient for high-power applications.
• SOT-23 package may require careful handling during assembly.

Working Principles

The LTC1728ES5-3.3#TRMPBF is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with the feedback voltage and adjusting the pass transistor accordingly to maintain a stable output voltage.

When the input voltage is within the specified range, the regulator provides a regulated 3.3V output voltage. The SHDN pin can be used to put the regulator into a low-power shutdown mode, where the output voltage is turned off and power consumption is minimized.

Application Field Plans

The LTC1728ES5-3.3#TRMPBF finds applications in various electronic devices and systems, including but not limited to: 1. Battery-powered portable devices such as smartphones, tablets, and wearable devices. 2. Embedded systems and microcontroller-based projects. 3. Industrial control systems and automation equipment. 4. Automotive electronics. 5. Communication systems and networking equipment.

Alternative Models

There are several alternative models available that offer similar functionality to the LTC1728ES5-3.3#TRMPBF. Some popular alternatives include: - LM1117-3.3 - MCP1700-3302E/TO - TS2937CP-3.3

These alternatives have comparable specifications and can be considered based on specific application requirements.

In conclusion