LT3048EDC#TRPBF

Product Overview

Category: Integrated Circuit (IC)

Use: Power Management IC

Characteristics: - Low Dropout Voltage Regulator - Adjustable Output Voltage - High Output Current Capability - Thermal Shutdown Protection - Reverse Battery Protection - Short-Circuit Protection

Package: DFN-10 (3mm x 3mm)

Essence: The LT3048EDC#TRPBF is a low dropout voltage regulator designed for power management applications. It provides a stable and adjustable output voltage with high current capability, while offering various protection features.

Packaging/Quantity: The LT3048EDC#TRPBF is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Input Voltage Range: 2.5V to 20V
• Output Voltage Range: 1.22V to 19.5V
• Maximum Output Current: 200mA
• Dropout Voltage: 250mV at 200mA
• Quiescent Current: 40µA
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3048EDC#TRPBF has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND EN |-- |___________| ```

• VIN: Input Voltage
• VOUT: Output Voltage
• GND: Ground
• EN: Enable Pin (Active High)

Functional Features

1. Low Dropout Voltage: The LT3048EDC#TRPBF exhibits a low dropout voltage of only 250mV at 200mA output current, ensuring efficient power conversion.

2. Adjustable Output Voltage: The device allows users to adjust the output voltage within a wide range of 1.22V to 19.5V, providing flexibility for various applications.

3. High Output Current Capability: With a maximum output current of 200mA, the LT3048EDC#TRPBF can handle demanding power requirements.

4. Thermal Shutdown Protection: The IC incorporates thermal shutdown protection, which prevents overheating and ensures safe operation under high temperature conditions.

5. Reverse Battery Protection: The LT3048EDC#TRPBF features reverse battery protection, safeguarding the device against accidental reverse polarity connections.

6. Short-Circuit Protection: It also includes short-circuit protection, preventing damage to the IC in case of a short circuit on the output side.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient power conversion. - Adjustable output voltage provides flexibility for different applications. - High output current capability meets demanding power requirements. - Thermal shutdown protection prevents overheating. - Reverse battery protection safeguards against reverse polarity connections. - Short-circuit protection prevents damage due to short circuits.

Disadvantages: - Maximum output current of 200mA may not be sufficient for certain high-power applications. - Limited input voltage range of 2.5V to 20V may restrict compatibility with some systems.

Working Principles

The LT3048EDC#TRPBF operates as a low dropout voltage regulator by utilizing a pass transistor to regulate the output voltage. It compares the reference voltage with the feedback voltage and adjusts the pass transistor accordingly to maintain a stable output voltage. The enable pin allows the user to control the device's operation by enabling or disabling the regulator.

Detailed Application Field Plans

The LT3048EDC#TRPBF is suitable for a wide range of applications, including but not limited to: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Communication equipment

Detailed and Complete Alternative Models

1. LT3045EDC#TRPBF: Similar to the LT3048EDC#TRPBF, but with a fixed output voltage of 3.3V.
2. LT3042EDC#TRPBF: Low dropout voltage regulator with adjustable output voltage and higher maximum output current of 500mA.
3. LT3080EDC#TRPBF: Adjustable linear regulator with a wider input voltage range and higher maximum output current of 1.1A.

These alternative models offer different specifications and features to cater to specific application requirements.

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