LT3070MPUFD#PBF

Product Overview

Category: Integrated Circuits (ICs)

Use: Voltage Regulator

Characteristics: - High voltage input range - Low dropout voltage - Low noise output - High output current capability

Package: DFN-10

Essence: The LT3070MPUFD#PBF is a high voltage, low dropout linear regulator designed to provide a regulated output voltage even with large input-to-output voltage differentials. It is capable of delivering up to 5A of continuous output current.

Packaging/Quantity: The LT3070MPUFD#PBF is available in a DFN-10 package and is typically sold in reels of 2500 units.

Specifications

• Input Voltage Range: 1.2V to 80V
• Output Voltage Range: 0.6V to 60V
• Dropout Voltage: 85mV at 5A
• Output Current: Up to 5A
• Line Regulation: ±0.02%
• Load Regulation: ±0.1%
• Quiescent Current: 50μA
• Ripple Rejection: 70dB
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LT3070MPUFD#PBF has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND ADJ |-- |___________| ```

• VIN: Input Voltage
• VOUT: Output Voltage
• GND: Ground
• ADJ: Adjustable Pin

Functional Features

1. High Voltage Input Range: The LT3070MPUFD#PBF can accept input voltages ranging from 1.2V to 80V, making it suitable for a wide range of applications.
2. Low Dropout Voltage: With a dropout voltage as low as 85mV at 5A, the regulator can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
3. Low Noise Output: The LT3070MPUFD#PBF provides a low noise output, ensuring clean power supply for sensitive electronic components.
4. High Output Current Capability: Capable of delivering up to 5A of continuous output current, the regulator can power a variety of high-current devices.

Advantages and Disadvantages

Advantages: - Wide input voltage range - Low dropout voltage - High output current capability - Low noise output

Disadvantages: - Limited package options - Higher cost compared to some other linear regulators

Working Principles

The LT3070MPUFD#PBF operates based on the principle of a linear regulator. It uses a pass transistor to regulate the output voltage by adjusting the resistance between the input and output terminals. This allows it to maintain a constant output voltage despite variations in the input voltage or load conditions.

Detailed Application Field Plans

The LT3070MPUFD#PBF finds applications in various fields, including:

1. Power Supply Modules: It can be used in power supply modules for industrial equipment, telecommunications systems, and automotive electronics.
2. Battery-Powered Devices: The regulator can be employed in battery-powered devices such as portable medical devices, handheld instruments, and consumer electronics.
3. LED Lighting: It can provide regulated power to LED lighting systems, ensuring stable and efficient operation.
4. Audio Amplifiers: The LT3070MPUFD#PBF can be utilized in audio amplifiers to provide a clean and stable power source for high-fidelity sound reproduction.

Detailed and Complete Alternative Models

1. LT3080MPUFD#PBF: Similar to the LT3070MPUFD#PBF, but with a higher output current capability of up to 7.5A.
2. LT3045MPUFD#PBF: A lower voltage version of the LT3070MPUFD#PBF, suitable for applications requiring an input voltage range of 1.8V to 20V.

These alternative models offer similar features and characteristics, providing flexibility in choosing the most suitable regulator for specific requirements.

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