LD1086DTTR

Product Overview

• Category: Integrated Circuit
• Use: Voltage Regulator
• Characteristics: Low Dropout, Adjustable Output, High Current Capability
• Package: TO-252 (DPAK)
• Essence: LD1086DTTR is a voltage regulator IC designed to provide a stable and adjustable output voltage with low dropout voltage. It is commonly used in various electronic devices to regulate the voltage supplied to sensitive components.
• Packaging/Quantity: The LD1086DTTR is typically packaged in reels containing 2,500 units.

Specifications

• Input Voltage Range: 4.5V to 20V
• Output Voltage Range: 1.25V to 18V
• Dropout Voltage: 1.3V (typical) at 1A load current
• Output Current: Up to 1.5A
• Line Regulation: 0.05% (typical)
• Load Regulation: 0.1% (typical)
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The LD1086DTTR has three pins:

1. Input (VIN): This pin is connected to the input voltage source.
2. Output (VOUT): This pin provides the regulated output voltage.
3. Ground (GND): This pin is connected to the ground reference.

Functional Features

• Low Dropout Voltage: The LD1086DTTR has a low dropout voltage, allowing it to regulate the output voltage even when the input voltage is close to the desired output voltage.
• Adjustable Output Voltage: The output voltage can be adjusted using external resistors, providing flexibility in different applications.
• High Current Capability: With a maximum output current of 1.5A, the LD1086DTTR can handle high current loads.
• Internal Thermal Shutdown: The IC includes a thermal shutdown feature that protects it from overheating.

Advantages and Disadvantages

Advantages: - Low dropout voltage ensures efficient regulation. - Adjustable output voltage allows for versatile applications. - High current capability suits power-hungry devices. - Internal thermal shutdown protects against overheating.

Disadvantages: - Limited output current compared to some other voltage regulators. - Requires external resistors for adjusting the output voltage.

Working Principles

The LD1086DTTR is based on a linear voltage regulator architecture. It utilizes a pass transistor to regulate the output voltage by adjusting the resistance between the input and output pins. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to maintain a stable output voltage.

Detailed Application Field Plans

The LD1086DTTR is widely used in various electronic devices and systems where a stable and adjustable voltage supply is required. Some common application areas include:

1. Power Supplies: The LD1086DTTR can be used in power supply circuits to provide regulated voltage to microcontrollers, sensors, and other sensitive components.
2. Battery-Powered Devices: It is suitable for battery-powered devices such as portable audio players, handheld instruments, and wireless communication devices.
3. Automotive Electronics: The LD1086DTTR finds applications in automotive electronics, including infotainment systems, lighting controls, and engine management systems.
4. Industrial Control Systems: It can be employed in industrial control systems, automation equipment, and motor control circuits.

Detailed and Complete Alternative Models

Some alternative models to LD1086DTTR that offer similar functionality are:

1. LM317: A popular adjustable voltage regulator with a wide input voltage range and adjustable output voltage.
2. LT1086: A low dropout voltage regulator with adjustable output and high current capability.
3. LM1117: A series of low dropout voltage regulators available in various fixed output voltages.

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

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