LTC3026IDD-1#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management

Characteristics: - Low Dropout Voltage Regulator - Adjustable Output Voltage - Low Quiescent Current - Thermal Shutdown Protection - Overcurrent and Short-Circuit Protection

Package: DFN-8 (3mm x 3mm)

Essence: The LTC3026IDD-1#TRPBF is a low dropout voltage regulator designed for power management applications. It provides a stable output voltage with low quiescent current, making it suitable for battery-powered devices.

Packaging/Quantity: The LTC3026IDD-1#TRPBF is available in a DFN-8 package. Each reel contains 2500 units.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage Range: 0.8V to VIN - 0.3V
• Dropout Voltage: 300mV at 500mA Load
• Quiescent Current: 30µA
• Output Current: Up to 500mA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC3026IDD-1#TRPBF has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1: Ground --| EN VOUT|-- Pin 2: Output Voltage --| FB NC |-- Pin 3: No Connection --| PG NC |-- Pin 4: No Connection --| NC NC |-- Pin 5: No Connection --| NC NC |-- Pin 6: No Connection --| NC NC |-- Pin 7: No Connection --| NC NC |-- Pin 8: No Connection |___________| ```

Functional Features

• Low dropout voltage: The LTC3026IDD-1#TRPBF has a low dropout voltage of 300mV at 500mA load, ensuring efficient power conversion.
• Adjustable output voltage: The output voltage can be adjusted from 0.8V to VIN - 0.3V, providing flexibility for different applications.
• Low quiescent current: With a quiescent current of only 30µA, the LTC3026IDD-1#TRPBF minimizes power consumption in standby mode.
• Thermal shutdown protection: The device includes thermal shutdown protection to prevent overheating and ensure safe operation.
• Overcurrent and short-circuit protection: The LTC3026IDD-1#TRPBF incorporates overcurrent and short-circuit protection mechanisms to safeguard against excessive current and short circuits.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Adjustable output voltage provides flexibility for various applications. - Low quiescent current minimizes power consumption. - Thermal shutdown and overcurrent/short-circuit protection enhance safety.

Disadvantages: - Limited output current (up to 500mA) may not be suitable for high-power applications. - No built-in voltage regulation for input voltage.

Working Principles

The LTC3026IDD-1#TRPBF is a linear voltage regulator that operates by maintaining a stable output voltage despite variations in the input voltage. It achieves this through a feedback mechanism that adjusts the internal pass transistor to regulate the output voltage. The device uses a low dropout architecture, allowing it to maintain regulation even when the input voltage is close to the desired output voltage.

Detailed Application Field Plans

The LTC3026IDD-1#TRPBF is commonly used in various battery-powered devices and low-power applications. Some specific application fields include:

1. Portable Electronics: The low dropout voltage and adjustable output voltage make the LTC3026IDD-1#TRPBF suitable for powering portable electronic devices such as smartphones, tablets, and wearable devices.

2. IoT Devices: With its low quiescent current and thermal shutdown protection, the LTC3026IDD-1#TRPBF is ideal for powering IoT devices that require long battery life and reliable operation.

3. Industrial Control Systems: The device's overcurrent and short-circuit protection features make it suitable for use in industrial control systems, providing stable power to sensors, actuators, and other components.

4. Automotive Applications: The LTC3026IDD-1#TRPBF can be used in automotive electronics, providing regulated power to various subsystems and modules.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the LTC3026IDD-1#TRPBF include:

1. LT1763: Low Dropout Regulator with Adjustable Output Voltage and Low Quiescent Current.
2. LM1117: Low Dropout Linear Voltage Regulator with Adjustable Output