LT1501CS8-3.3

Product Overview

Category

The LT1501CS8-3.3 belongs to the category of voltage regulators.

Use

It is primarily used for regulating and stabilizing voltage in electronic circuits.

Characteristics

• Input Voltage Range: 4V to 40V
• Output Voltage: 3.3V
• Maximum Output Current: 1.5A
• Low Dropout Voltage: 300mV at 1A Load
• Adjustable Output Voltage
• Thermal Shutdown Protection
• Short-Circuit Protection
• Overcurrent Protection

Package

The LT1501CS8-3.3 comes in an 8-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of the LT1501CS8-3.3 is its ability to provide a stable and regulated output voltage, even when the input voltage fluctuates.

Packaging/Quantity

The LT1501CS8-3.3 is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 4V to 40V
• Output Voltage: 3.3V
• Output Current: Up to 1.5A
• Dropout Voltage: 300mV at 1A Load
• Line Regulation: ±0.02%
• Load Regulation: ±0.04%
• Quiescent Current: 2.5mA
• Operating Temperature Range: -40°C to 125°C
• Package Type: 8-pin SOIC

Detailed Pin Configuration

1. VIN: Input Voltage
2. GND: Ground
3. ADJ: Output Voltage Adjustment
4. VOUT: Regulated Output Voltage
5. NC: No Connection
6. NC: No Connection
7. NC: No Connection
8. NC: No Connection

Functional Features

• Voltage Regulation: The LT1501CS8-3.3 ensures a stable output voltage of 3.3V, regardless of input voltage fluctuations.
• Adjustable Output: The ADJ pin allows for fine-tuning the output voltage within a certain range.
• Thermal Shutdown Protection: The regulator shuts down if the temperature exceeds a safe limit, preventing damage to the device.
• Short-Circuit Protection: In case of a short circuit, the LT1501CS8-3.3 automatically limits the output current to protect the circuit.
• Overcurrent Protection: The regulator safeguards against excessive current flow, preventing damage to the device and connected components.

Advantages and Disadvantages

Advantages

• Wide input voltage range allows for versatile applications.
• Low dropout voltage minimizes power dissipation.
• Adjustable output voltage provides flexibility in various circuit designs.
• Thermal shutdown and short-circuit protection enhance reliability and safety.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Requires external components for proper operation.
• Sensitive to input voltage variations, which may affect output stability.

Working Principles

The LT1501CS8-3.3 is a linear voltage regulator that uses a feedback mechanism to maintain a constant output voltage. It compares the output voltage with a reference voltage and adjusts the internal circuitry to compensate for any deviations. By continuously monitoring and adjusting, it ensures a stable output voltage even when the input voltage changes.

Detailed Application Field Plans

The LT1501CS8-3.3 finds applications in various electronic systems where a stable and regulated voltage is required. Some common application fields include:

1. Power Supply Modules: It can be used as a voltage regulator in power supply modules for computers, industrial equipment, and consumer electronics.
2. Battery-Powered Devices: The LT1501CS8-3.3 can regulate the voltage in battery-powered devices, such as portable audio players, handheld devices, and IoT devices.
3. Automotive Electronics: It is suitable for automotive applications, including infotainment systems, navigation systems, and engine control units.
4. Communication Systems: The regulator can be used in communication systems, such as routers, switches, and wireless access points, to ensure stable voltage supply.

Detailed and Complete Alternative Models

1. LM317: A popular adjustable linear voltage regulator with a wide input voltage range and adjustable output voltage.
2. LM7805: A fixed 5V linear voltage regulator commonly used in low-power electronic circuits.
3. LT1084: A high-current adjustable linear voltage regulator capable of delivering up to 5A of output current.
4. LM1117: A low dropout voltage regulator available in various fixed output voltages.

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

In conclusion, the LT1501CS8-3.3 is a voltage regulator that provides stable and regulated voltage output. Its