LTC1727EMS8-5#PBF

Product Overview

Category

The LTC1727EMS8-5#PBF belongs to the category of voltage regulators.

Use

This product is primarily used for regulating voltage in electronic circuits.

Characteristics

• Input Voltage Range: 2.7V to 36V
• Output Voltage: 5V
• Maximum Output Current: 500mA
• Package Type: MSOP-8
• Operating Temperature Range: -40°C to 85°C

Package and Quantity

The LTC1727EMS8-5#PBF comes in an MSOP-8 package. It is typically sold in quantities of one unit per package.

Specifications

• Input Voltage Range: 2.7V to 36V
• Output Voltage: 5V ±2%
• Maximum Output Current: 500mA
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 50µA
• Line Regulation: ±0.02%/V
• Load Regulation: ±0.1%
• Ripple Rejection: 70dB
• Shutdown Current: 1µA
• Thermal Resistance: 160°C/W

Pin Configuration

The LTC1727EMS8-5#PBF has the following pin configuration:

```

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| | --| VIN VOUT |-- --| GND SHDN |-- |___________| ```

• VIN: Input Voltage
• VOUT: Output Voltage
• GND: Ground
• SHDN: Shutdown Control

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient regulation even with low input voltages.
• Excellent line and load regulation characteristics provide stable output voltage.
• High ripple rejection minimizes noise interference.
• Shutdown control feature allows for power-saving operation.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage ensures efficient operation even with low input voltages.
• Excellent line and load regulation characteristics provide stable output voltage.
• High ripple rejection minimizes noise interference.
• Shutdown control feature allows for power-saving operation.

Disadvantages

• Maximum output current limited to 500mA, which may not be sufficient for high-power applications.
• Thermal resistance of 160°C/W may require additional heat dissipation measures in certain scenarios.

Working Principles

The LTC1727EMS8-5#PBF operates as a linear voltage regulator. It uses a feedback mechanism to maintain a constant output voltage regardless of variations in the input voltage or load conditions. The internal circuitry compares the output voltage with a reference voltage and adjusts the pass transistor accordingly to regulate the output voltage.

Detailed Application Field Plans

The LTC1727EMS8-5#PBF finds applications in various electronic systems that require a regulated 5V power supply. Some potential application fields include:

1. Battery-powered devices: The wide input voltage range and low dropout voltage make it suitable for battery-powered devices where the input voltage can vary significantly.

2. Industrial automation: The stable output voltage and excellent line/load regulation characteristics make it ideal for powering sensors, actuators, and other components in industrial automation systems.

3. Automotive electronics: The LTC1727EMS8-5#PBF can be used in automotive applications to regulate voltage for various electronic modules, such as infotainment systems, lighting controls, and engine management systems.

4. Communication systems: This voltage regulator can be employed in communication systems, ensuring a stable power supply for transceivers, routers, and other network equipment.

Detailed and Complete Alternative Models

1. LM317T: A popular linear voltage regulator with adjustable output voltage and higher maximum output current compared to LTC1727EMS8-5#PBF.

2. LT1763: Another linear voltage regulator with a fixed 5V output voltage, lower dropout voltage, and higher maximum output current than LTC1727EMS8-5#PBF.

3. LM7805: A widely used linear voltage regulator with a fixed 5V output voltage, higher maximum output current, and lower cost compared to LTC1727EMS8-5#PBF.

4. TPS7A4700: A high-performance linear voltage regulator with a fixed 5V output voltage, low dropout voltage, and excellent line/load regulation characteristics.

These alternative models offer different features and specifications, allowing users to choose the most suitable option based on their specific requirements.

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