LTC1727ES8-5#PBF

Product Overview

Category

The LTC1727ES8-5#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
• Output Current: Up to 500mA
• Low Dropout Voltage: 300mV at 500mA
• Quiescent Current: 85µA
• Shutdown Current: 1µA
• Package Type: 8-Lead SOIC
• Operating Temperature Range: -40°C to 125°C

Packaging/Quantity

The LTC1727ES8-5#PBF is available in a standard 8-Lead SOIC package. It is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input Voltage Range: 2.7V to 36V
• Output Voltage: 5V ±2%
• Output Current: Up to 500mA
• Dropout Voltage: 300mV at 500mA
• Quiescent Current: 85µA
• Shutdown Current: 1µA
• Line Regulation: ±0.02% (Typ)
• Load Regulation: ±0.05% (Typ)
• Ripple Rejection: 70dB (Typ)
• Operating Temperature Range: -40°C to 125°C

Pin Configuration

The LTC1727ES8-5#PBF has the following pin configuration:

```

---

| | --| VIN GND |-- Pin 1 --| VOUT NC |-- Pin 2 --| FB NC |-- Pin 3 --| EN NC |-- Pin 4 --| GND NC |-- Pin 5 --| GND NC |-- Pin 6 --| VOUT NC |-- Pin 7 --| VOUT NC |-- Pin 8 |___________| ```

Functional Features

• Wide input voltage range allows for versatile applications.
• Low dropout voltage ensures efficient power conversion.
• Low quiescent current minimizes power consumption.
• Shutdown mode reduces standby power consumption.
• Excellent line and load regulation for stable output voltage.
• High ripple rejection ratio for improved noise performance.

Advantages and Disadvantages

Advantages

• Wide input voltage range enables compatibility with various power sources.
• Low dropout voltage ensures efficient power conversion even with low input voltages.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered devices.
• Shutdown mode reduces standby power consumption, extending battery life.
• Excellent line and load regulation provide a stable output voltage under varying conditions.
• High ripple rejection ratio improves noise performance in sensitive applications.

Disadvantages

• Limited output current of up to 500mA may not be sufficient for high-power applications.
• The 8-Lead SOIC package may not be suitable for space-constrained designs.

Working Principles

The LTC1727ES8-5#PBF is a linear voltage regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the feedback voltage (FB) with a reference voltage to control the pass transistor's conduction. By adjusting the pass transistor's resistance, the regulator maintains a constant output voltage despite variations in the input voltage and load conditions.

Detailed Application Field Plans

The LTC1727ES8-5#PBF can be used in various applications, including but not limited to: 1. Battery-powered devices: Provides regulated 5V output for microcontrollers, sensors, and other low-power components. 2. Industrial control systems: Stabilizes voltage supply for analog and digital circuits in automation and control applications. 3. Automotive electronics: Ensures a stable power source for automotive sensors, actuators, and communication modules. 4. Portable consumer electronics: Regulates voltage for smartphones, tablets, and portable audio devices. 5. Embedded systems: Provides reliable power for microcontrollers, memory modules, and communication interfaces.

Detailed and Complete Alternative Models

1. LM317T: Adjustable linear voltage regulator with a wide input voltage range and high output current capability.
2. LT1763-5: Low dropout linear regulator with a fixed 5V output voltage and ultra-low quiescent current.
3. LM1117-5.0: Fixed 5V linear voltage regulator with a low dropout voltage and thermal shutdown protection.
4. MAX6035: Precision voltage reference and regulator with a fixed 5V output and low quiescent current.
5. ADP3339: High-performance linear regulator with a fixed 5V output and excellent line/load regulation.

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