LTC1727IS8-2.5#TRPBF

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, Low Quiescent Current
• Package: 8-Pin SOIC
• Essence: Linear Regulator
• Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

• Output Voltage: 2.5V
• Dropout Voltage: 300mV at 250mA
• Quiescent Current: 30µA
• Input Voltage Range: 2.7V to 10V
• Load Regulation: ±0.1%
• Line Regulation: ±0.05%
• Operating Temperature Range: -40°C to +125°C

Detailed Pin Configuration

1. GND (Ground)
2. VIN (Input Voltage)
3. VOUT (Output Voltage)
4. BYP (Bypass Capacitor)
5. NC (No Connection)
6. NC (No Connection)
7. NC (No Connection)
8. SHDN (Shutdown)

Functional Features

• Low dropout voltage enables efficient regulation even with small input-output differentials.
• Low quiescent current ensures minimal power consumption during standby or idle modes.
• Shutdown pin allows for easy on/off control of the regulator.
• Bypass capacitor pin improves stability and noise performance.

Advantages

• Wide input voltage range allows for versatile applications.
• Excellent load and line regulation provide stable output voltage.
• Low dropout voltage minimizes power dissipation and heat generation.
• Low quiescent current extends battery life in portable devices.
• Shutdown feature enhances power management capabilities.

Disadvantages

• Limited output voltage options restricts flexibility in certain applications.
• Higher cost compared to non-linear regulators.
• Requires external bypass capacitor for optimal performance.

Working Principles

The LTC1727IS8-2.5#TRPBF is a linear regulator that uses a pass transistor to regulate the output voltage. It operates by comparing the reference voltage with a fraction of the output voltage, and adjusts the pass transistor accordingly to maintain a stable output. The dropout voltage is the minimum voltage difference required between the input and output for proper regulation.

Detailed Application Field Plans

1. Battery-powered devices: The low quiescent current and wide input voltage range make it suitable for portable electronics such as smartphones, tablets, and wearable devices.
2. Industrial equipment: The excellent load and line regulation ensure stable power supply for various industrial applications, including control systems and sensors.
3. Automotive electronics: The rugged design and wide operating temperature range make it ideal for automotive applications, such as infotainment systems and engine control units.

Detailed and Complete Alternative Models

1. LT1763: Low dropout linear regulator with adjustable output voltage.
2. LT3080: High current linear regulator with programmable current limit.
3. LM1117: Low dropout voltage regulator available in various fixed output voltages.

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